MLP–Trim User Manual 0001-0129 Revision B i
Technical Assistance If you have comments or questions concerning the operation of the MLP–Trim, please call us. A member of our Technical Support Staff will be happy to assist you.
DANGER Improper installation can cause severe injury, death or damage to your system. Integrate this motion control unit into your system with caution. Operate this motion control unit only under the conditions prescribed in this manual. Any other use shall be deemed inappropriate. Comply with the National Electrical Code and all applicable local and national codes.
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Table of Contents Introduction...................................................................... 1-1 Introducing the MLP–Trim ............................................................................. 1-3 Examples of MLP–Trim Applications ............................................................ 1-4 Installation / Setup ......................................................... 2-1 Mounting ........................................................................................................
Monitor Parameters ..................................................................................... 3-63 Input Monitoring ................................................................................. 3-64 Output Monitoring ............................................................................... 3-67 Performance Monitoring ..................................................................... 3-68 Status Monitoring ...............................................................................
List of Illustrations Figure 1-1 Figure 1-2 Figure 2-1 Figure 2-2 Figure 2-3 Figure 2-4 Figure 2-5 Figure 2-6 Figure 2-7 Figure 2-8 Figure 2-9 Figure 2-10 Figure 2-11 Figure 2-12 Figure 2-13 Figure 2-14 Figure 2-15 Figure 2-16 Figure 2-17 Figure 2-18 Figure 2-19 Figure 2-20 Figure 3-1 Figure 3-2 Figure 4-1 Figure 4-2 Figure 4-3 Figure 4-4 Figure 4-5 Figure G-1 Figure G-2 Figure G-3 Figure G-4 Figure G-5 MLP–Trim Master Mode ..........................................................
List of Tables Table 3-1 Table 3-2 Table 3-3 Table 3-4 Table 3-5 Table 3-6 Table 3-7 Table 3-8 Table 3-9 Table 3-10 Table 3-11 Table 3-12 Table 3-13 Table 3-14 Table 3-15 Table 3-16 Table 3-17 Table 3-18 Table 3-19 Table 3-20 Table 3-21 Table 3-22 Table 3-23 Table 3-24 Table 3-25 Table 3-26 Table 3-27 Table 3-28 Table 3-29 Table 3-30 Table 3-31 Table 3-32 Table 3-33 Table 3-34 Table 3-35 viii Basic Keypad Entry .................................................................
Table 3-36 Table 3-37 Table 3-38 Table 3-39 Table 3-40 Table 3-41 Table 3-42 Table 3-43 Table 3-44 Table 3-45 Table 3-46 Table 3-47 Table 3-48 Table 3-49 Table 3-50 Table 3-51 Table 3-52 Table 3-53 Table 3-54 Table 3-55 Table 3-56 Table 3-57 Table 3-58 Inverse Follower Mode Control Parameters Example ............ 3-46 Default Master or Follower Accel/Decel Control Parameters 3-47 Entering Master or Follower Accel/Decel Control Parameters 3-47 Default Master or Follower Tuning Control Parameters ........
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Introduction Introducing the MLP–Trim Examples of MLP–Trim Applications 1-1
1-2
INTRODUCING THE MLP–TRIM The MLP–Trim is a highly accurate, digital, motor controller. It has advanced embedded software that is capable of solving a great variety of speed control tasks. It operates as either a stand-alone control of a single motor (Master mode), as a part of a complex multi-drive system (Follower mode) or Follower mode with analog trim (Offset mode).
EXAMPLES OF MLP–TRIM APPLICATIONS Figure 1-1 is an example of a Master mode of operation for a pump application. The scaling format allows the operator to enter a setpoint in Engineering Units of gallons per minute. The MLP–Trim compares the sensor shaft feedback to the scaled setpoint and calculates any speed error. When the MLP–Trim finds speed error, the control algorithm adjusts the Speed Command Out to the motor drive and reduces the error to zero.
Figure 1-2 is an example of the Follower mode of operation in a pump application. The scaling format allows the operator to enter the setpoint as a ratio of ingredient B to ingredient A. The MLP–Trim compares the setpoint ratio to the Follower sensor shaft feedback and Lead sensor shaft feedback to calculate any speed error. When the MLP–Trim finds speed error, the control algorithm adjusts the Speed Command Out to the motor drive and reduces the error to zero.
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Installation / Setup Mounting Wiring Inputs Outputs Serial Communications Calibration Motor Drive Setup MLP–Trim Calibration Analog Input Calibration 2-1
, , , Contrex TOUT .03" ( 3C.6U5" ( 3.60" CUTOUT 3.60" (3.65" .03") DOOR PANEL Contrex CODE SELECT 7 SET POINT 4 TACH 4.00" 6 5 3 2 1 . 0 – *6.00" 9 8 CLEAR ENTER 4.
MOUNTING This section contains instructions for mounting the MLP–Trim in the door panel of a NEMA Industrial Electrical enclosure. The MLP–Trim is packaged in a compact 1/4 DIN Vertical Instrument Enclosure that mounts easily in the door of your Industrial Electrical Enclosure. The Electrical Enclosure must have an IP54 rating or higher to comply with CE installations.
2 TD/RD– 2 * Neut or L2 GND PE NEUT L1 R1 11 10 9 8 14 15 16 17 V_DO DIG_OUT1 DIG_OUT2 COM 18 19 ANAL_IN COM J6 13 COM SCRL_DWN 12 SCRL_UP SETPT MST/FOL COM R2 COM 50V MAX +V R-Stop F–STOP External DC Power Supply Master/ Follower Setpoint Select Scroll Up Scroll Down F-Stop Jog 6 R–STOP 7 Run 5 JOG 4 Feedback Frequency Sensor Lead Frequency Sensor RUN +5V SIG COM +5V SIG COM 3 2 FDBK_FQ +5V COM +5VDC External DC Power Supply COM 1 LEAD_FQ 1 2 J5 COM 5V_DI
WIRING This section contains the input, output and serial communications wiring information for the MLP–Trim. Please read this section prior to wiring the MLP–Trim to ensure that you make the appropriate wiring decisions. NOTE: The installation of this motor control must conform to area and local electrical codes. See The National Electrical Code (NEC,) Article 430 published by the National Fire Protection Association, or The Canadian Electrical Code (CEC). Use local codes as applicable.
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INPUTS NOTE: The installation of this motor control must conform to area and local electrical codes. See The National Electrical Code (NEC,) Article 430 published by the National Fire Protection Association, or The Canadian Electrical Code (CEC). Use local codes as applicable.
AC Power (J4 pins 1, 2, 3) The MLP–Trim model #3200-1936 operates on 115 VAC + 15%, 0.1 Amp., 50/60 Hz. The MLP–Trim model #3200-1937 operates on 230 VAC + 15%, 0.1 Amp., 50/60 Hz. * Fuse L1 for 115VAC applications. Fuse L1 and L2 for 230VAC applications. Use 1 Amp 250V normal blow fuses. L1 Neutral or L2 GND/PE * * 1 2 3 J4 Figure 2-5 Input Power Lead Frequency (J6 pins 1, 3) The Lead Frequency is a pulse train input that the MLP–Trim uses to determine the speed of the lead motor.
Feedback Frequency (J6 pins 2, 3) The Feedback Frequency is a pulse train input that the MLP–Trim uses to determine the speed of the follower motor. For signal level specifications refer to References: Appendix A, MLP–Trim Specifications. 2 Signal 3 Common J6 Figure 2-7 Feedback Frequency DANGER If the Feedback Frequency is lost, the MLP-Trim will command a 100% Speed Out and the motor will run at 100% capacity. This can cause severe injury, death or equipment damage.
Jog (J6 pins 5, 8) Jog is a maintained input. When Jog is closed, the MLP–Trim sends a Speed Command Out signal to the drive at the selected jog speed. As a maintained input, Jog is only active when the operator device is closed. NOTE: Close the R–Stop and F–Stop inputs and open the Run input, prior to entering Jog. If you are only using one of the Stop inputs, wire short the other Stop input to common or the MLP–Trim will not enter Jog.
F-Stop (J6 pins 7, 8) F-Stop is a momentary input. When it is open, the MLP–Trim stops immediately (zero RPM) and ignores the specified deceleration rate. As a momentary input, F-Stop is internally latched and does not need to be maintained by an operator device. F-STOP 7 8 J6 Figure 2-11 F–Stop Master / Follower (J6 pins 9, 13) This input determines the MLP– Trim's mode of operation and resulting scaling formula that the control algorithm uses.
Setpoint Select (J6 pins 10, 13) The Master and Follower setpoints are determined by the Setpoint Select input combined with the Master / Follower Input. For access to Master Control Parameters 1 and 2 and Follower Control Parameters 3 and 4, refer to the chart below.
Scroll Up (J6 pins 11, 13) The Scroll Up input increments the active setpoint. The active setpoint will be incremented whether or not it is being currently displayed. There are two methods to increment the active setpoint using the Scroll Up input. Each closure of the input increments the active setpoint one engineering unit. Also, if the Scroll Up input is maintained closed, the active setpoint will be incremented one engineering unit every half second.
Analog Input (J6 pins 18, 19) The Analog Input can be used for frequency or setpoint replacement in the Master and Follower modes of operation, or the offset input in the Offset mode of operation. Refer to CP-84 for discussion on the functional allocation of the analog input.
OUTPUTS Speed Command Out (J3 pins 1, 2) Speed Command Out is an isolated analog output signal that is sent to the motor drive to control the speed of the motor. Wire the Speed Command Out into the speed signal input of the drive. If the motor drive has a potentiometer speed control, remove the potentiometer connections and wire the Speed Command Output to the potentiometer wiper input. The MLP–Trim's isolated common should always be connected to the drive common.
Digital Output 2 (J6 pin 16,17) The Digital Output 2 can be programmed to activate as a function of various alarm conditions or as a function of the drive enable logic. Refer to CP-11 for functional allocation of Digital Output 2. NOTE: This is an open-collector relay driver. Use an external DC power supply to power the relays. Free-wheeling diodes are incorporated internally in the MLP–Trim and do not need to be added externally.
SERIAL COMMUNICATIONS NOTE: The installation of this motor control must conform to area and local electrical codes. See The National Electrical Code (NEC,) Article 430 published by the National Fire Protection Association, or The Canadian Electrical Code (CEC). Use local codes as applicable. The Serial Communications interface on the MLP–Trim complies with EIA Standard RS–485-A for balanced line transmissions.
Isolated RS232 to RS485 Converter TXD/ COM RXD — TXD/ RXD + J2 1 T/R+ 2 T/R– 3 COM J2 2 MLP–Trim #1 MLP–Trim #2 1 T/R+ 2 T/R– 3 COM 1 1. Shield only at one end of the cable. 2. If you need to terminate the communication line, then terminate it at the unit which is the furthest away from the converter. A 100 ohm, 1/2 Watt resistor will usually terminate successfully. Refer to EIA Standard RS485A, for more information.
CALIBRATION Calibration matches the Speed Command analog output of the MLP–Trim with the analog input of the motor drive. Calibration is accomplished in two steps. The first step is to set up the motor drive. The second step is to calibrate the MLP–Trim to the motor drive so that the speed is adjusted to the maximum operating speed. Calibration also zero and spans the analog input. The MLP–Trim must be properly installed prior to calibration.
MOTOR DRIVE SET UP 1) Put the MLP–Trim in “R–Stop” by opening the R–Stop input (J6 pins 6, 8). Refer to Installation/Setup: Wiring, Inputs, R–Stop. 2) Set the drive's acceleration and deceleration potentiometers to their fastest rates (minimum ramp time). The goal is to make the drive as responsive as possible, which allows the MLP–Trim to control the speed changes. 3) If the drive has a maximum speed (span) potentiometer, set it to the highest setting at which the motor drive is capable of running.
MLP–TRIM CALIBRATION 1) Make sure that the MLP–Trim is still in “R–Stop”. If the MLP–Trim is not in “R-Stop”, then put it in “R–Stop” by opening the R–Stop logic input (J6 pins 6, 8). Refer to Installation/Setup: Wiring, Inputs, R–Stop.
Continue to gradually increase these increments by ten until you reach “90”. Since there are no acceleration/deceleration ramps in Direct mode, a sudden increase to “90” could cause damage in some systems. 7) Turn the MLP–Trim's maximum speed potentiometer clockwise until the drive motor's RPMs are at the maximum operating speed at which you want the system to operate.
ANALOG INPUT CALIBRATION The analog input is factory calibrated for zero and span levels at 0 - 10 VDC. If it is necessary to field calibrate the analog input, follow these procedures. Zero Adjust 1) Enter CP-85 (Analog Input Zero) by entering the following on the keypad: Press "Code Select" Enter "85" Press "Enter" 2) Place zero volts (short) on the analog input (J6 pins 18, 19). 3) Press the "." (decimal point) key. The display should now read between 0.0 and 1.0. This step zero adjusts the analog input.
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Operation Keypad Operation Keypad Lockout Control Parameters (CP) Direct Mode Master Mode Follower Mode Offset Mode Inverse Master Mode Inverse Follower Mode Acceleration/Deceleration Tuning Alarms Limits Jog Logic Control Logic Inputs Logic Outputs Monitor Parameters (MP) Input Monitoring Output Monitoring Performance Monitoring Status Monitoring Serial Communications Using Serial Communications Communications Software Design 3-1
3-2
KEYPAD OPERATION The front panel of the MLP–Trim is an easy to use keypad that gives you direct access to the Parameters (Control Parameters and Monitor Parameters) by entering the Parameter Code. You can also use the keypad to change the value of a Control Parameter. The keypad has keys for Code Select, Enter, Clear, and Scroll Up/Down. It also has numeric keys and two dedicated keys: Setpoint and Tach. The LED display is the above the keys.
Table 3-1 Basic Keypad Entry To Enter a Parameter Code: Press “Code Select”. Enter a Parameter Code (For a Control Parameter or Monitor Parameter). Press “Enter” (within 15 seconds). The Parameter Code and it's current value are displayed on the LED display. The Parameter Code decimal point is illuminated. To Enter a Parameter Value: Follow the steps to enter a Parameter Code. Enter a new value (Use the numeric keys) . Press “Enter” (within 15 seconds). The Parameter Code decimal point turns “Off”.
KEYPAD LOCKOUT Keypad Lockout (CP-98) displays the present status of the keypad lockout. When the keypad is locked, then “LOC” is displayed: Code Locked When the Keypad is unlocked, then “ULOC” is displayed: Code Unlocked To lock out the keypad, enter a numerical “password” between “1” and “9999” in Keypad Lockout (CP-98), then press the “enter” key. This numerical password will flash briefly on the screen, then the screen will display “LOC”.
CAUTION: Make certain that you record your password in the space provided on page 3-6, as your password becomes transparent once you have entered it. If you forget your password, you can use the Clear/7 procedure to revert back to the default “ULOC” (unlocked). Please note, however, that the Clear/7 procedure will revert all of the Control Parameters back to their original default values and you will lose any changes that you have made to the Control Parameters.
CONTROL PARAMETERS Parameters are divided into two classifications; Control Parameters (CP) and Monitor Parameters (MP). The numbered code that represents the Parameter is the Parameter Code. The operational data is the Parameter's value. Control Parameter 05 = 50 (default) Monitor Parameter 40 = 200 (arbitrary) Parameters = Parameter Code Parameter Value This section is about Control Parameters. Monitor Parameters are explained in Operation: Monitor Parameters.
Direct Mode In the Direct mode of operation, the Speed Command output from the MLP–Trim that is connected to the motor drive can be set directly. Direct mode is an open-loop mode of operation. Scaling, Acceleration/Deceleration, and closed loop compensation (PID) software are not involved in the Direct mode. The Direct mode is used in conjunction with the Run and Stop controls.
Master Mode The Master, or stand-alone mode of operation, is a single motor operation. In this simple mode of operation, the entire process is controlled by a single motor and one MLP–Trim. Caution: To avoid damage to your system, the MLP–Trim must be calibrated and the motor drive set up before you enter the Master Control Parameters. Refer to Installation/Setup: Calibration. The MLP–Trim allows you to control your system in Master Engineering Units (e.g., RPMs, gallons per hour, feet per minute).
Table 3-4 Default Master Scaling Control Parameters CP Parameter Name CP-34 Max RPM Feedback CP-31 PPR Feedback CP-20 Master Engineering Units Parameter Value 2000 60 2000 Table 3-5 Entering Master Scaling Control Parameters CP Parameter Name Parameter Value CP-34 Max RPM Feedback Enter the maximum desired RPMs, measured at the sensor shaft. CP-31 PPR Feedback Enter the number of gear teeth or encoder lines on the sensor per one revolution (pulses per revolution).
Table 3-6 Entering Master Setpoint Control Parameters CP Parameter Name Parameter Value CP-01 Master Setpoint 1 Enter the Master Engineering Units value that you want your system to operate at when Setpoint 1 is active. CP-02 Master Setpoint 2 Enter the Master Engineering Units value that you want your system to operate at when Setpoint 2 is active. An example of the Master mode of operation is demonstrated on the following page.
Master Mode Example The following example demonstrates how scaling and setpoint Control Parameters are entered for a typical Master mode of operation: A pump delivers 15 gallons/minute when the motor runs at a maximum RPM of 1725. The motor shaft is equipped with a 30 tooth Ring kit. The Master Engineering Units are gallons per minute. Master Setpoint 1 will be setup to pump 10 gallons per minute when it is the active setpoint.
Master Mode - Analog Feedback The MLP-Trim can be scaled for Engineering Unit setpoint entry and Tach display operation using the analog input for the feedback signal. The following Control Parameters give the MLP-Trim the necessary information for analog feedback operation in Master mode. Analog Input Allocation (CP-84) Setting CP-84, Analog Input Allocation, to a value of "2" allocates the analog input to be used as the feedback source.
Table 3-9 Entering Master Scaling Analog Feedback Parameters CP Parameter Name Parameter Value CP-84 Analog Input Allocation Enter a value of "2" to allocate the analog input as the feedback source. CP-20 Master Engineering Units Enter the Master Engineering Unit value for an analog feedback level of 10.0 volts.
Master Mode Analog Feedback Example The following example demonstrates Master mode scaling using analog feedback: A pump delivers 20.0 gallons per minute when the pump motor rotates at 1800 RPM. A tachometer connected to the pump motor produces a 10.0 volt signal when the motor rotates at 1800 RPM. Master Setpoint 1 will be setup for an operation of 12.0 gallons per minute. Master Setpoint 2 will be setup for an operation of 17.5 gallons per minute.
Master Mode - Analog Setpoint The MLP-Trim can be scaled for Engineering Unit setpoint entry and Tach display operation using the analog input for the setpoint. The following Control Parameters give the MLP-Trim the necessary information for analog setpoint operation in Master mode. Analog Input Allocation(CP-84) Setting CP-84, Analog Input Allocation, to a value of "4" or "5" allocates the analog input to be used as Master Setpoint 1 or Master Setpoint 2, respectively.
Table 3-12 Entering Master Scaling Analog Setpoint Parameters CP Parameter Name Parameter Value CP-84 Analog Input Allocation Setting CP-84 to a value of "4" or "5" allocates the analog input to be used as Master Setpoint 1 or Master Setpoint 2, respectively. CP-20 Master Engineering Units Enter the Master Engineering Unit value for an analog setpoint level of 10.0 volts and feedback RPM of CP-34. CP-34 Max RPM Feedback Enter the maximum operating RPMs measured at the feedback sensor shaft.
Master Mode Analog Setpoint Example The following example demonstrates Master mode scaling using analog setpoint: A pump delivers 20.0 gallons per minute when the pump motor rotates at 1800 RPM. The pump motor is equipped with a 60 tooth ring kit feedback sensor. The pump will run at 20.0 gallons per minute with an analog input of 10 volts. Table 3-13 3 - 18 Master Mode Setpoint Allocation Example CP Parameter Name Value CP-84 Analog Input Allocation CP-20 Master Engineering Units 20.
Follower Mode The Follower mode of operation is the most frequently used mode of operation. It is a multi-motor operation in which the entire process can be controlled by any number of motors and MLP–Trims. The MLP–Trim allows you to control your system in Follower Engineering Units (e.g., Follower to Lead ratio or percentage of RPMs, gallons per minute, feet per minute).
The factory default Control Parameters for Scaling are found on Table 3-14. To modify these default parameters, refer to Table 3-15. If you are uncertain how to enter a Control Parameter, review the Operations: Keypad section. Table 3-14 Default Follower Scaling Control Parameters CP Parameter Name Parameter Value CP-33 Max RPM Lead 2000 CP-34 Max RPM Feedback 2000 CP-30 PPR Lead 60 CP-31 PPR Feedback 60 CP-21 Follower Engineering Units 1.
With your scaling established, you can enter values for Follower Setpoints 1 and 2 (CP-03, CP-04). The value that you enter for a setpoint is the ratio of the Follower E.U.s at which you want to operate the system, divided by the E.U.s that the Lead is operating at. Follower E.U. desired Setpoint = ________________________________ Lead E.U. operation You can toggle between the two setpoints, if you have wired the Setpoint Select accordingly.
Follower Mode Examples A and B Example A demonstrates how scaling and setpoint Control Parameters are entered for a typical Follower mode of operation that uses a ratio setpoint: The Lead pump delivers 10 gallons/minute when the motor is running at a maximum RPM of 1725. The Lead sensor shaft is equipped with a 60 tooth Ring kit. The Follower pump delivers 30 gallons/minute when the motor is running at a maximum RPM of 1800. The Follower sensor shaft is equipped with a 30 tooth Ring kit.
To find Follower Setpoint 1 (CP-03) for Example A: Follower E.U. desired Setpoint 1 ________________________________ = 15 = Lead E.U. operation 15 gal/min ___ = 3 5 The Follower Engineering Units (gallon per minute) at which you want the Follower to operate - do not confuse this with the full capacity gal/min that the Follower is capable of pumping.
Table 3-17 Follower Mode Control Parameters Example A CP Parameter Name Parameter Value CP-33 Max RPM Lead 1725 CP-34 Max RPM Feedback 1800 CP-30 PPR Lead 60 CP-31 PPR Feedback 30 CP-21 Follower E.U. 3.00 CP-03 Follower Setpoint 1 3.00 CP-04 Follower Setpoint 2 4.50 The MLP–Trim will adjust and monitor the speed of the Follower motor to achieve the desired gallons/minute. This completes the scaling and setpoint information for Example A.
Example B demonstrates how scaling and setpoint Control Parameters are entered for a typical Follower mode of operation that uses a setpoint based on a percentage setpoint: The Lead pump delivers 20 gallons/minute of ingredient A. The Lead motor's is running at a maximum RPM of 1800 and the Lead sensor shaft is equipped with a 60 tooth Ring kit. The Follower pump delivers 10 gallons/minute of ingredient B.
To find Follower Setpoint 1 (CP-03) for Example B: Follower E.U. desired Setpoint 1 ________________________________ = x 100 (%) Lead E.U. operation 10 gal/min The Follower Engineering Units (gallons/minute of ingredient B) at which you want the Follower to operate - do not confuse this with the full capacity that the Follower is capable of pumping.
Table 3-18 Follower Mode Control Parameters Example B CP Parameter Name Parameter Value CP-33 Max RPM Lead 1800 CP-34 Max RPM Feedback 1800 CP-30 PPR Lead 60 CP-31 PPR Feedback 30 CP-21 Follower E.U. 50.0 CP-03 Follower Setpoint 1 50.0 CP-04 Follower Setpoint 2 70.0 The MLP–Trim will adjust and monitor the speed of the motors to achieve the desired gallons/minute. That completes the scaling and setpoint information for Example B.
Follower Mode - Analog Lead The MLP-Trim can be scaled for Engineering Unit setpoint entry and Tach display operation using the analog input for the lead signal. The following Control Parameters give the MLP-Trim the necessary information for analog lead operation in Follower mode. Analog Input Allocation(CP-84) Setting CP-84, Analog Input Allocation, to a value of "1" allocates the analog input to be used as the lead source.
Table 3-20 Entering Follower Scaling Analog Lead Parameters CP Parameter Name Parameter Value CP-84 Analog Input Allocation Setting CP-84 to a value of "1" allocates the analog input to be used as the lead signal. CP-21 Follower Engineering Units Enter the Follower Engineering Unit value for an analog lead level of 10.0 volts and feedback of Max RPM Feedback (CP-34). This is typically a value of 1.000.
Follower Mode Analog Lead Example The following example demonstrates Follower mode scaling using analog lead: A pump delivers 20.0 gallons per minute of ingredient A when the pump motor rotates at 1800 RPM. A second pump delivers 40.0 gallons per minute of ingredient B when the pump motor rotates at 1800 RPM. A potentiometer connected to the analog input of the MLP-Trim produces a 10.0 volt signal when the pump A (lead) motor rotates at 1800 RPM. The following motor B has an encoder feedback of 30 PPR.
Follower Mode - Analog Feedback The MLP-Trim can be scaled for Engineering Unit setpoint entry and Tach display operation using the analog input for the feedback signal. The following Control Parameters give the MLP-Trim the necessary information for analog feedback operation in the Follower mode. Analog Input Allocation (CP-84) Setting CP-84, Analog Input Allocation, to a value of "2" allocates the analog input to be used as the feedback source.
Table 3-23 CP Parameter Name Parameter Value CP-84 Analog Input Allocation Setting CP-84 to a value of "2" allocates the analog input to be used as the feedback signal. CP-21 Follower Engineering Units Enter the Follower Engineering Unit value for an analog feedback level of 10.0 volts and lead of Max RPM Lead (CP-33). CP-33 Max RPM Lead Enter the maximum operating RPMs measured at the lead sensor shaft. CP-30 PPR Lead Enter the resolution of the lead sensor.
Follower Mode Analog Feedback Example The following example demonstrates Follower mode scaling using analog feedback: A pump delivers 20.0 gallons per minute of ingredient A when the pump motor rotates at 1800 RPM. A second pump delivers 10.0 gallons per minute of ingredient B when the pump motor rotates at 1800 RPM. A tachometer connected to the analog input of the MLP-Trim produces a 10.0 volt signal when the pump B (follower) motor rotates at 1800 RPM.
Follower Mode - Analog Setpoint The MLP-Trim can be scaled for Engineering Unit setpoint entry and Tach display operation using the analog input for the setpoint. The following Control Parameters give the MLP-Trim the necessary information for analog setpoint operation in the Follower mode. Analog Input Allocation (CP-84) Setting CP-84, Analog Input Allocation, to a value of "6" or "7" allocates the analog input to be used as Follower Setpoint 1 (CP-03) or Follower Setpoint 2 (CP-04), respectively.
Table 3-25 Default Scaling Control Parameters CP Parameter Name Parameter Value CP-84 Analog Input Allocation CP-21 Follower Engineering Units 1.
Table 3-26 3 - 36 Entering Follower Scaling Analog Setpoint Parameters CP Parameter Name Parameter Value CP-84 Analog Input Allocation Setting CP-84 to a value of "6" or "7" allocates the analog input to be used as the Follower Setpoint 1 or Follower Setpoint 2, respectively. CP-21 Follower Engineering Units Enter the Follower Engineering Unit value for an analog setpoint level of 10.0 volts with a lead of Max RPM Lead (CP-33) and feedback of Max RPM Feedback (CP-34).
Follower Mode Analog Setpoint Example The following example demonstrates Follower mode scaling using analog setpoint: A pump delivers 20.0 gallons per minute of ingredient A when the pump motor rotates at 1750 RPM. A second pump delivers 60.0 gallons per minute of ingredient B when the pump motor rotates at 1750 RPM. A potentiometer connected to the analog input of the MLP-Trim produces a 10.0 volt signal when the pump B and pump A motors rotate at 1750 RPM.
Offset Mode Offset mode is a variation of Follower mode. In Offset mode, an additional quantity (offset term) is added to or subtracted from the standard calculated follower scaled reference. The quantity of the offset term is determined by the analog input level and three additional scaling parameters; offset null, offset authority and offset polarity. A common use for Offset mode is dancer pot control on a web follower operation.
Offset Authority (CP-76) Offset Authority determines the quantity of the offset term (amount of influence) for a given analog input level. Offset Polarity (CP-77) Offset Polarity determines if the offset term is added or subtracted from the follower scaled reference. If CP-77 is set to 1 (additive), analog input voltages greater than CP-75 (Offset Null) will cause an increase in the follower speed. Analog input voltages less than Offset Null will cause a decrease in follower speed.
Table-29 3 - 40 Entering Offset Scaling Analog Setpoint Parameters CP Parameter Name Parameter Value CP-84 Analog Input Allocation Setting CP-84 to a value of "3"allocates the analog input to be used an offset. CP-21 Follower Engineering Units The desired Follower Engineering Units when the lead and feedback are operating at their maximum speeds; i.e. Max RPM Lead (CP-33) and Max RPM Feedback (CP-34).
Offset Mode Analog Setpoint Example The following example demonstrates Offset mode scaling using analog setpoint: The lead nip motor on a web has a maximum operating speed of 1800 RPM and is equipped with a 60 tooth ring kit sensor. The follower motor on the same web matches the line web speed when it is rotating at 1800 RPM. It also is equipped with a 60 tooth ring kit sensor. The following setpoint is entered as the ratio of the follower web speed to lead web speed.
Table 3-30 3 - 42 CP Parameter Name CP-84 Analog Input Allocation CP-21 Offset Mode Example Value Remarks 3 Allocates The analog input as the Offset input. Follower Engineering Units 1.000 This is the Engineering Unit value that is present if the lead and feedback at max RPM. CP-34 Max RPM Feedback 1800 The maximum operating RPM of the feedback shaft. CP-31 PPR Feedback 60 CP-33 Max RPM Lead 1800 CP-30 PPR Lead 60 CP-75 Offset Null 60.0 The neutral dancer pot position.
Inverse Master Mode The Inverse Master Mode is a variation of the Master Mode. The Inverse Master Mode has an inverted setpoint. If you increase the value of the setpoint (CP-01 or CP-02), then the motor speed will decrease. Inverse Mode setpoints generally use engineering units of time. With the Inverse Scaling (CP-62) set to “2”, enter values in the Master Setpoints (CP-01 and CP-02) that represent the E.U. at which you want the system to operate. The higher the setpoint value; the slower the motor speed.
Inverse Master Mode Example The Inverse Master Mode Example demonstrates how scaling and setpoint Control Parameters are entered for a typical Inverse Master mode of operation: It takes 10 seconds to move a product through a heat treat oven when the conveyor motor is running at 1500 RPM. The conveyor motor shaft is equipped with a 60 tooth ring kit. Set Master Setpoint 1 (CP-01) so that the product is in the oven for 20 seconds.
Inverse Follower Mode The Inverse Follower Mode is a variation of the Follower Mode. The Inverse Follower Mode has an inverted setpoint. If you increase the value of the setpoint (CP-03 or CP-04), then the ratio of Follower speed to Lead speed will decrease. With the Inverse Scaling (CP-62) set to “2”, enter values in the Follower Setpoints (CP-03 and CP-04) that represent the E.U. at which you want the system to operate. The higher the setpoint value; the lower the Follower to Lead ratio speed.
Inverse Follower Mode Example The Inverse Follower Mode Example demonstrates how the scaling and setpoint Control Parameters are entered for a typical Inverse Follower mode of operation: In a wire machine twisiting application, the Follower twists the wire as the Lead pulls the wire. When the Follower is at the maximum revolutions per minute of 1800 RPM and the Lead is at the maximum revolutions per minute of 2000 RPM, then the twist length (lay) is at 2.0 inches.
Acceleration/Deceleration Acceleration/Deceleration (CP-16 and CP-17) control the rate of speed change in response to setpoint changes. These parameters apply to both the Master and Follower modes of operation. The MLP–Trim comes factory pre-loaded with default Control Parameters for Acceleration/Deceleration. Generally, these default settings are suitable for most applications and do not require modification. The factory default Control Parameters for Timing are found in Table 3-37.
Tuning If your system is unstable, or the speed error is unacceptable, tuning stabilizes speed error differences between the setpoint and feedback. You can achieve a stable system using conservative tuning Control Parameter values, however, the speed error may be unacceptable. On the other hand, aggressive tuning Control Parameter values may cause the system to become unstable. The goal is to reduce the speed error to the level that you want, yet maintain the system's stability.
Table 3-40 Entering Master / Follower Tuning Control Parameters CP Parameter Name Parameter Value CP-65 Gain (Proportional) With Integral (CP-66) set to “0” , reduce the Gain (CP-65) until the system becomes unstable, then increase it slightly until the system stabilizes. Reduced values will increase Gain. To verify the stability of the speed changes, you can access Tach through either the Tach key or the Monitor Parameter for Tach (MP-40).
Zero Error Loop The MLP-Trim has the ability to eliminate any long term speed error in the follower mode. This is equivalent to maintaining a follower position relative to the lead. This is accomplished by keeping track of all the scaled lead and follower sensor pulses, and then adjusting the setpoint to the speed control loop to eliminate any error.
Table 3-42 Entering Zero Error Loop Control Parameters CP Parameter Name Parameter Value CP-18 Lag Pulse Limit Enter the desired lag (behind in position) pulse limit. CP-19 Lead Pulse Limit Enter the desired lead (ahead in position) pulse limit. CP-29 Recovery Multiplier Enter the desired position recovery rate. After the Control Parameters for Tuning have been entered, you can enter the Control Parameters for the Alarms for either the Master or the Follower mode.
Alarms The Control Parameters for Alarms are identical for both the Master and the Follower modes of operations. By entering values in the Control Parameters for the Alarms (CP-12, CP-13, CP-14, CP-15), you can establish circumstances under which the MLP–Trim will alert you to potential operating problems. The Alarm 1 Format (CP-10) and Alarm 2 Format (CP-11) can be set to activate at any combination of low speed, high speed, ramped error or scaled error conditions.
Table 3-44 Entering Alarms Control Parameters CP Parameter Name Parameter Value CP-10 Alarm 1 Format CP-11 Alarm 2 Format CP-12 Low Alarm Alarm 1 Format (CP-10) determines which alarm conditions will activate the Dig_Out1 output, using the values that are entered in Low Alarm (CP-12), High Alarm (CP-13), Ramped Error Alarm (CP-14) and Scaled Error Alarm (CP-15). Refer to Appendix C.
Limits The MLP-Trim has the ablity to limit both the minimum and maximum operating speed when in the Run state. The following control parameters are used by the MLP-Trim for limit control: Minimum Limit (CP-08) This parameter sets the minimum level of operation in the Run state. It is possible to enter a setpoint below this limit, however, the control will always attempt to maintain a speed at or above this RPM level. Maximum Limit (CP-09) This parameter sets the maximum level of operation in the Run state.
Jog Jog increases the RPMs at the acceleration rate that you specified in Acceleration Time (CP-16) until the Jog Setpoint (CP-05) is achieved. When Jog is terminated, there is no Deceleration Time (CP-17); the drive comes to an immediate stop. The factory default Control Parameter for Jog is found in Table 3-47. To modify this default parameter, refer to Table 3-48.
—NOTES— 3 - 56
LOGIC CONTROL This section addresses the four digital inputs and two digital outputs that control the MLP–Trim's and connected drive's operating state. The four digital inputs are F–Stop, R–Stop, Run and Jog. When the MLP–Trim is powered up, it defaults to R–Stop. If either Run or Jog have been hardwired, the MLP–Trim will operate in either Run or Jog instead of R–Stop. Run is hardwired by shorting Run, R–Stop and F–Stop to common. Jog is hardwired by shorting Jog, R–Stop, and F–Stop to common.
Logic Inputs F–Stop has priority over the other operating states. F–Stop brings the MLP–Trim's Speed Command output to an immediate Zero. To activate F–Stop: • Open the F–Stop Input. (F–Stop is latched and does not need to be maintained to remain active.) F-STOP 7 F-STOP 8 COMMON J6 Open Momentarily R–Stop has the second highest operating priority. R–Stop decelerates the Speed Command output to Zero, using the Deceleration Time (CP-17). To activate R–Stop: • Short the F–Stop input to common.
Run has the third highest operating priority. Run ramps to the scaled setpoint speed, using the Acceleration Time (CP-16). Run can be activated when the MLP–Trim is in R–Stop or F–Stop, however Run cannot be activated when the MLP–Trim is in Jog. To activate Run: • Short the F–Stop and R–Stop inputs to common. • Open the Jog input. • Short the Run input to common. (Run is latched and does not need to be maintained to remain active.
Jog has the least operating priority. Jog ramps to the Jog Setpoint (CP-05), using the Acceleration Time (CP-16). When Jog is terminated, the MLP–Trim brings the Speed Command output to an immediate Zero. Unlike the other inputs, Jog is not latched and must be sustained to remain active. To activate Jog: • Short the F–Stop and R–Stop inputs to common. • Open the Run input. • Short the Jog input to common. (Jog must be sustained to remain active).
Logic Outputs Drive Enable activates the motor drive based on the Ramped Reference (MP-46) and the feedback. The Ramped Reference (MP-46) is the calculated setpoint that is output from the Acceleration/Deceleration routine. Dig_Out1 or Dig_Out2 can be used as the Drive Enable output depending on the setting of CP-10 and CP-11, respectively. Drive Enable Logic (CP-74) determines which conditions of the Ramped Reference (MP-46) and feedback will control the Drive Enable output.
Table 3-50 Entering Drive Enable Logic Control Parameter CP Parameter Name Parameter Value CP-10 Alarm 1 Format Enter "16" to allocate Dig_Out1 as the drive enable output. CP-11 Alarm 2 Format Enter "16" to allocate Dig_Out2 as the drive enable output. CP-74 Drive Enable Logic Enter "0" in CP-74 to deactivate the drive enable output (output high) when the Ramped Reference is zero, and activate the drive enable output (output low) when the Ramped Reference is not zero.
MONITOR PARAMETERS Parameters are divided into two classifications; Control Parameters (CP) and Monitor Parameters (MP). The numbered code that represents the Parameter is the Parameter Code. The operational data is the Parameter's value. Control Parameter 05 = 50 (default) Monitor Parameter 40 = 200 (arbitrary) Parameters = Parameter Code Parameter Value This section is about Monitor Parameters. Control Parameters are explained in Operation: Control Parameters.
Input Monitoring These MPs monitor the MLP–Trim's inputs. MP-41 LEAD FREQUENCY The Lead Frequency (MP-41) displays the frequency of the Lead Frequency Input (J6 pin 1) in units of hertz (pulses per second). The Lead Frequency (MP-41) is not averaged or filtered; it is the ten millisecond frequency calculation prior to the display update. Because the Lead Frequency (MP-41) is not averaged or filtered and because of sensor irregularities, it may appear less stable than Tach (MP-40).
MP-54 LOGIC INPUTS - GROUP A The Logic Inputs A displays the status of the Run, Jog, R–Stop and F–Stop digital inputs. The number “1” indicates an open, or logic high level. The number “0” indicates a closed, or logic low level (shorted to common). In the example below, “Jog” is the open or logic high level.
MP-87 A/D INPUT The A/D Input parameter (MP-87) displays the value of the analog input in percent of full scale (XXX.X%) before it is zero and span adjusted. MP-88 A/D INPUT ADJUSTED The A/D Input Adjusted parameter (MP-88) displays the value of the analog input in percent of full scale (XXX.X%) after it is zero and span adjusted. The A/D Input Adjusted value is the value used for scaling the setpoint replacement, frequency replacement and offset functions.
Output Monitoring These MPs monitor the MLP–Trim's outputs. MP-47 SPEED COMMAND OUT The Speed Command Out (MP-47) displays the level of calibrated full scale analog output to the motor drive (J3 pin 1). The Speed Command Out (MP-47) is displayed as a percentage; 100 represents 100% of the calibrated full scale analog output. MP-56 LOGIC OUTPUTS The Logic Outputs (MP-56) displays the status of the Dig_Out1 and the Dig_Out2 outputs.
Performance Monitoring Performance Monitor Parameters monitor the performance of the MLP–Trim and your system. Figure 3-2 is a block diagram of the internal control structure of the MLP–Trim and the Performance Monitor Parameters.
MP-44 DEVIATION (ERROR) Deviation (MP-44) displays the difference between the Ramped Reference (MP-46) and the Feedback Frequency (MP-43) measured in units of hertz (pulses per second). Deviation (MP-44) is not averaged or filtered; it is the ten millisecond frequency calculation prior to the display update. MP-45 SCALED REFERENCE The Scaled Reference (MP-45) is the scaled setpoint number converted to hertz. It is the calculated value that is input to the Acceleration/Deceleration routine.
Status Monitoring These MPs monitor the status of the MLP–Trim's modes of operation and operating states. MP-50 ACTIVE SCALING MODE The digit that displays a number “1” is the Active Scaling Mode (MP-50). In the example below, “Master Mode” is the active Scaling mode. Code MP-51 Direct Mode Master Mode Follower Mode/Offset Mode Inverse KEYPAD ERROR If a Control Parameter entry has been rejected, Keypad Errors (MP-51) will ascertain the reason that it was rejected.
MP-52 ALARM STATUS The digit that displays a number “1” is the active Alarm. In the example below, “High Speed Alarm ” is the active alarm. Code MP-53 Low Speed Alarm High Speed Alarm Ramped Error Scaled Error CONTROL STATE The digit that displays a number “1” is the active control state of the MLP–Trim. In the example below, “Run” is the active control state.
MP-57 EEPROM STATUS The Control Parameters are stored in the EEPROM memory chip. EEPROM Status (MP-57) displays the status of the EEPROM memory chip. The number “0” indicates no failure. The number “1” indicates a write verify error. In the event of an error, call Technical Support at (612) 424-7800 or 1-800-342-4411. MP-59 FREQUENCY OVER FLOW COUNTER The Frequency Over Flow Counter (MP-59) is a counter that increments each time the frequency input to the MLP–Trim causes an overflow.
SERIAL COMMUNICATIONS The MLP–Trim can interface with a host computer through a RS485 Serial Communications Interface. This interface allows the host computer to perform remote Control Parameter entry, status or performance monitoring, and remote control of the MLP–Trim. Refer to Using Serial Communications, in this section. If you are using the Contrex-Host software, your communications network is user ready and does not require any software programming.
Using Serial Communications This section describes how to use the Serial Communications. Before you can apply this section, The MLP–Trim must be interfaced with a host computer through a RS485 Serial Communications Interface. The host computer must have the Contrex-Host software or its equivalent installed. The MLP–Trim comes factory pre-loaded with default Control Parameters for Serial Communications Setup.
CP-72 CHARACTER FORMAT The MLP–Trim uses three different character formats. Enter the number for the required format, as listed below. 1 = 8 Data Bits, No Parity, One Stop Bit 2 = 7 Data Bits, Even Parity, One Stop Bit 3 = 8 Data Bits, No Parity, Two Stop Bits CP-73 CONTROL MASK The Serial Communications can control some of the digital input functions. Enter the number for the required functions, as listed below.
Communications Software Design The MLP–Trim Serial Communications Interface uses a polling technique to establish a link with the host computer. With the exception of Keypad Lockout (CP-98), all of the Control Parameters and Monitor Parameters that are accessible through the MLP– Trim's front panel keypad are also accessible through the Serial Communications Interface.
Parameter Send Use the Parameter Send to change any of the MLP–Trim's Control Parameters. Table 3-51 Parameter Send - Host Transmission Character # 1 DESC STX ASCII STX 2 3 4 DEV # DEV # MSG 10s 1s TYPE 0-9 0-9 5 6 7 8 PAR # PAR # DATA DATA 10s 1s 1000s 100s 3 0-9 0-9 0-9 0-9 9 10 11 12 DATA 10s DATA 1s DATA FORM ETX 0-9 0-9 0-7 ETX The following is a description of the Parameter Send-Host Transmission Characters.
Character 5, 6 - Parameter Number: These characters identify the Control Parameter that you want to change (i.e., “16” = CP-16). Characters 7 through 10 - DATA: These characters transmit the new value for a Control Parameter that you want to change. The Data must be within the range specified in Appendix D. Character 11 - Data Format: Character 11 indicates the decimal location and polarity of the data that was transmitted in characters 7 through 10.
Character 12 - ETX: Always use the ASCII “ETX” character to terminate the character string. Example of Parameter Send: A new Acceleration Time of 52.3 seconds is sent to the MLP–Trim at address 4. ASCII character string: “STX0431605230ETX” Note: The character string has no spaces between the integers.
Table 3-52 Parameter Send - MLP–Trim Response Character # 1 DESC STX ASCII STX 2 3 4 5 6 7 8 DEV # DEV # ERROR PAR # PAR # DATA DATA 10s 1s CODE 10s 1s 1000s 100s 0-9 0-9 @-DEL 0-9 0-9 0-9 0-9 9 10 11 12 DATA 10s DATA 1s DATA FORM ETX 0-9 0-9 0-8 ETX The following is a description of the Parameter Send-MLP–Trim Response Characters. Character 1 - STX: This is the first character in the character string.
Characters 5,6 - Parameter Number: The Control Parameter code is sent back to the host computer from the MLP–Trim. Characters 7 through 10 - DATA: The Control Parameter data is sent back to the host computer from the MLP–Trim. Character 11 - Data Format: The Data Format character is sent back to the host computer from the MLP–Trim. Character 12 - ETX: The return message is always terminated with the ASCII “ETX” character.
Control Command Send The Control Command Send allows the host computer to control the operating functions of the MLP–Trim that are associated with the digital inputs (Run, Stop, Setpoint Select and Master/Follower).
Characters 5,6 - Parameter Number: These characters should always be “0”. Characters 7 through 8 - DATA: These characters should always be “0”. Characters 9,10- DATA: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 F–Stop R–Stop Run Enable Master Mode Enable Follower Mode Not in Use Not in Use Not in Use Not in Use Enable Setpoint 1/3 Enable Setpoint 2/4 Not in Use Not in Use Not in Use Not in Use Character 11 - Data Format: This character should always be “0”.
Table 3-54 Control Command Send - MLP–Trim Response Character # 1 DESC STX ASCII STX 2 3 4 5 6 7 8 DEV # DEV # ERROR PAR # PAR # DATA DATA 10s 1s CODE 10s 1s 1000s 100s 0-9 0-9 @-DEL 0 0 0 0 9 10 11 12 DATA 10s DATA 1s DATA FORM ETX 0-9 0-9 0 ETX The following is a description of the Control Command Send-MLP–Trim Response Characters. Character 1 - STX: This is the first character in the character string.
Characters 5,6 - Parameter Number: These characters will always be “0”. Characters 7 through 10 - DATA: These characters will always be “0”. Character 11 - Data Format: This character will always be “0”. Character 12 - ETX: The return message is always terminated with the ASCII “ETX” character.
Data Inquiry Use the Data Inquiry to request the current value for Parameters (i.e., Control Parameters or Monitor Parameters). Table 3-55 Data Inquiry - Host Transmission Character # 1 DESC STX ASCII STX 2 3 4 DEV # DEV # MSG 10s 1s TYPE 0-9 0-9 5 6 7 8 PAR # PAR # DATA DATA 10s 1s 1000s 100s 2 0-9 0-9 0 0 9 10 11 12 DATA 10s DATA 1s DATA FORM ETX 0 0 0 ETX The following is a description of the Data Inquiry - Host Transmission Characters.
Characters 5,6 - Parameter Number: This is the Control Parameter code (i.e., enter “16” for CP–16). Characters 7 through 10 - DATA: These characters should always be “0”. Character 11 - Data Format: This character should always be “0”. Character 12 - ETX: Always use the ASCII “ETX” character to terminate the character string.
Table 3-56 Data Inquiry - MLP–Trim Response Character # 1 DESC STX ASCII STX 2 3 4 5 6 7 8 DEV # DEV # ERROR PAR # PAR # DATA DATA 10s 1s CODE 10s 1s 1000s 100s 0-9 0-9 @-DEL 0-9 0-9 0-9 0-9 9 10 11 12 DATA 10s DATA 1s DATA FORM ETX 0-9 0-9 0-; ETX The following is a description of the Data Inquiry-MLP–Trim Response Characters. Character 1 - STX: This is the first character in the character string.
Characters 5,6 - Parameter Number: The Control Parameter code is sent back to the host computer from the MLP–Trim. Characters 7 through 10 - DATA: The Control Parameter data that was requested is sent back to the host computer from the MLP–Trim. For an interpretation of the MP-50 through MP-56, and CP-73 data, refer to Table 3-58. For the ASCII to binary conversion, refer to Table 3-57.
Table 3-57 ASCII to Binary ASCII NUL SOH STX EXT EOT ENQ ACK BEL BS HT LF VT FF CR SO SI DLE DC1 DC2 DC3 DC4 NAK SYN ETB CAN EM SUB ESC FS GS RS US 3 - 90 ASCII Binary ASCII Binary Binary ASCII Binary Bit 7 Bit 1 Bit 7 Bit 1 Bit 7 Bit 1 Bit 7 Bit 1 0000000 0000001 0000010 0000011 0000100 0000101 0000110 0000111 0001000 0001001 0001010 0001011 0001100 0001101 0001110 0001111 0010000 0010001 0010010 0010011 0010100 0010101 0010110 0010111 0011000 0011001 0011010 0011011 0011100 0011101 0011110 0011111 SP
3 - 91 Always “0” Always “0” Always “0” Always “0” Always “0” Always “0” 7 Always “0” Always “0” Always “0” Always “0” Always “1” Always “1” Always “0” Always “0” Always “1” Always “1” Always “0” Always “0” Always “1” Always “1” F-Stop R-Stop Run Always “0” Always “0” Always “1” Always “1” F-Stop Low R-Stop Low Jog Low Always “0” Always “0” Always “1” Always “1” F-Stop High R-Stop High Jog High Always “0” Always “0” Always “1” Always “1” Scroll Down Low Scroll Up L
—NOTES— 3 - 92
Troubleshooting Diagnostics Troubleshooting PROM Chip Replacement 4-1
4-2
DIAGNOSTICS This section describes how to use the diagnostic routines to verify that the MLP–Trim is operating properly as well as to identify any MLP–Trim problems. The diagnostic routines are run independently, with the MLP–Trim temporarily disconnected from your system. Begin diagnostics with the Clear/4 procedure, then run tests 1-6. Each of the tests can be performed without repeating the Clear/4 procedure unless you exit diagnostics.
RAM Test #1 - To Test Random Access Memory Clear/4 will automatically default to RAM Test #1. The diagnostic indicator and the number “1” will be visible on the left side of the LED display. To enter this test from another diagnostic test, press the UP or DOWN scroll keys until the number “1” is visible in the left side of the LED display. Press “Enter” to start the test. If RAM fails, “---5” is displayed. The test will stop if a failure is detected. Press “Clear ” to exit the test.
Display Test #2 - To Test the LED Display Panel Segments Press the “UP” or “DOWN” scroll keys until the diagnostic indicator and the number “2” are visible on the left side of the LED display. Press “Enter” to start the test. The MLP–Trim will quickly run through all of the display variations. Watch each of the display variations carefully for missing segments. For example, a nine with missing segments could look like a seven.
Keypad Test #3 - To Test the Keypad Press the “UP” or “DOWN” scroll keys until the diagnostic indicator and the number “3” are visible on the left side of the LED display. Press “Enter” to start the test. The MLP–Trim displays the number “15” for the “Enter” key.
Input Test #4 - To Test the Logic Inputs Press the “UP” or “DOWN” scroll keys until the diagnostic indicator and the number “4” are visible on the left side of the LED display. Press “Enter” to start the test. The LED display will be blank unless an input has been shorted. If an input has been shorted, it's number will display. For example, if the number three appears in the display, then R–Stop has been shorted. To test an input, short that input and open all of the other inputs.
Output Test #5 - To Test the Logic Outputs Press the “UP” or “DOWN” scroll keys until the diagnostic indicator and the number “5” are visible on the left side of the LED display. Only the diagnostic indicator and the number “5” will be visible on the LED display during this test. To run this test, connect the outputs to a pull up resistor and either a meter or LED, or connect the outputs to a relay and either lights or sound. Press “Enter” to start the test. Press keys 1 - 2 to activate the outputs.
Output Test #6 - To Test the Speed Command Output Press the “UP” or “DOWN” scroll keys until the diagnostic indicator and the number “6” are visible on the left side of the LED display. Only the diagnostic indicator and the number “6” will be visible on the LED display during this test. To run this test, attach a scope probe between J3 pin 1 and 2. Press “Enter” to start the test.
In addition to diagnostic tests 1-6, the MLP–Trim automatically performs two power up diagnostic routines during every Power Up. RAM TEST - Random Access Memory The MLP–Trim performs a pattern read/write test on RAM. If RAM fails, “---5” Is displayed. The test will stop if a failure is detected. Press “Clear ” to exit the test. IF the RAM is good, the MLP–Trim will begin the PROM test. PROM TEST The MLP–Trim performs a checksum comparison on the PROM. If the test fails, “---3” is displayed.
TROUBLESHOOTING This section contains four troubleshooting flowcharts to help you resolve four possible system operating problems. The four scenarios that are addressed by the flowcharts are: Motor Does Not Stop Motor Does Not Run Motor Runs at Wrong Speed Motor Runs Unstable If you need to verify the integrity of the MLP–Trim independently, refer to the Troubleshooting: Diagnostics section.
Motor Does Not Stop No No No MP-53 = 0100 (R–Stop) MP-53 = 1000 (F–Stop) No Remove wire at J3, Pin 1 Measure voltage with respect to J3, Pin 2 Voltage = “0” No No Yes Yes Yes MP-53 = 0001 (Jog) MP-53 = 0010 (Run) No Yes J6, Pin 4 is shorted to common J6, Pin 5 is shorted to common Yes Yes Open J6, pin 4 and J6, pin 6 Open J6, Pin 5 No Yes Wiring to Motor Drive is correct? No Yes Drive Calibration is correct? No Yes Problem Corrected No Consult Tech Support 1-800-342-4411 No
Motor Does Not Run No No MP-53 = 0001 (Jog) MP-53 = 0100 (R–Stop) MP-53 = 1000 (F–Stop) No Yes No No MP-53 = 0010 (Run) No No Yes J6, Pin 7 is shorted to common No J6, Pin 6 is shorted to common Yes Yes Yes No CP-05 is correct ? Yes Yes Short J6, Pin 7 to common MP-50 = 0010(Master) No MP-50 = 0100(Follower) No No No Yes Yes Short J6, Pin 6 to common MP-50 = 0001(Direct) Yes Enter Correct Jog Setpoint Setpoint is correct ? Yes No No CP-06 is correct ? Yes Yes Problem Cor
Motor Runs at Wrong Speed No MP-50 = 0100(Follower) MP-50 = 0010(Master) No MP-50 = 0001(Direct) No No Yes Yes Yes Setpoint is correct ? Yes No No CP-06 is correct ? Yes Yes Yes Yes MP-48 is Negative ? MP-46 is correct ? MP-45 is correct ? No No Enter Correct Setpoint Repeat Calibration Procedure Enter Correct Scaling Problem Corrected No No Decrease Max Speed Increase Max Speed Problem Corrected No Figure 4-3 Motor Runs at Wrong Speed Flowchart 4 - 14 Consult Tech Support 1
Motor Runs Unstable Change CP-61 to “1” and Run in Direct Mode Motor Still Unstable ? No Yes Change CP-61 to “0”and run in Master Mode Check Drive Calibration Repeat Tuning Procedure Problem Corrected No Consult Tech Support 1-800-342-4411 Figure 4-4 Motor Runs Unstable Flowchart 4 - 15
PROM CHIP REPLACEMENT The PROM (Programmable Read Only Memory) chip is the software for the MLP–Trim. See Figure 4-5 for the PROM's location on the CPU Board. To replace the PROM chip: • Make a record of your current Control Parameter values; the replacement chip contains default values that will replace your current values when you perform the Clear/7 step. • Turn off the power to the MLP–Trim. • Remove the back panel. • Pull out the CPU board. • Ground yourself - Static electricity can damage the PROM.
Insert Tool Here Insert Tool Here Beveled Corner Figure 4-5 PROM Location 4 - 17
—NOTES— 4 - 18
Glossary Glossary - 1
Glossary - 2
GLOSSARY Acceleration/Deceleration Acceleration Time (CP-16) and Deceleration Time (CP-17) control the rate of speed change in response to setpoint changes. These parameters apply to both the Master and Follower modes of operation. Acceleration Time See Appendix C; CP-16. Alarms See Appendix C; CP-10, 11, 12, 13, 14, or 15. Calibration Calibration matches the analog output of the MLP–Trim with the analog input of the motor drive. It also zero and spans the analog input.
Parameters for Direct mode, Master (stand-alone) mode, the Follower mode, Offset mode, Acceleration/Deceleration, Tuning, Alarms, and Jog. The MLP–Trim comes factory pre-loaded with a complete set of default Control Parameters. Data Inquiry Use the Data Inquiry to request the current value for Parameters (i.e., Control Parameters or Monitor Parameters) in serial communications. Deceleration Time See Appendix C; CP-17. Dedicated Keys The Setpoint key and the Tach key are shortcut keys.
Drive Enable Drive Enable activates the motor drive based on the Ramped Reference (MP-46) and the feedback. The Ramped Reference is the calculated setpoint that is output from the Acceleration/Deceleration routine. See Appendix C; CP-74. Engineering Units (E.U.) Master Engineering Units are the units of measure that your system operates at, such as, RPMs, gallons per hour, feet per minute.
Input Test Tests the Logic Inputs. Inputs AC Power I/O Power Lead Frequency Feedback Frequency Run Jog R–Stop F-Stop Master or Follower Setpoint Select Scroll Up Scroll Down Integral See Appendix C;CP-66. Jog One of four operating states. Jog increases the RPMs at the acceleration rate that is specified in Acceleration Time (CP-16) until the Jog Setpoint (CP-05) is achieved. When Jog is terminated, there is no deceleration time; the drive motor comes to an immediate stop.
Master Mode A stand-alone control of a single motor. The scaling format allows the operator to enter a setpoint in Engineering Units. The MLP–Trim compares the sensor shaft feedback to the scaled setpoint and calculates any speed error. When the MLP–Trim finds speed error, the control algorithm adjusts the Speed Command analog output and reduces the error to zero. Master Setpoints See Appendix C; CP-01 and CP-02. Max RPM Feedback See Appendix C; CP-34. Max RPM Lead See Appendix C; CP-33.
Output Monitoring Speed Command Output (MP-47) Logic Outputs (MP-56) Output Test Tests the Logic Outputs. Outputs Speed Command Out Dig_Out1 Dig_Out2 Parameters Parameters are divided into two classifications; Control Parameters (CP) and Monitor Parameters (MP). Parameter Code The numbered code that represents a Parameter. Parameter Send Use the Parameter Send to change any of the MLP–Trim's Control Parameters in Serial Communications.
PPR Lead See Appendix C; CP-30. Tuning Tuning stabilizes speed error differences between the setpoint and feedback. Ring Kits Ring Kits are flange motor mounted sensors that measure the pulses per revolution (PPR) of the motor shaft. R–Stop One of four operating states. R–Stop uses Deceleration Rate (CP-17) to decelerate the Speed Command (analog output) to zero. R–Stop has the second highest operating state priority. RAM Test Tests Random Access Memory.
Scroll Up/Down Keys These keys change the active setpoint value even if the active setpoint is not displayed in the LED display. Each time you press the Scroll Up key, the active setpoint will increase by one increment. Each time you press the Scroll Down key, the active setpoint value will decrease by one increment. Press and hold the key to automatically scroll through the increments or decrements.
Appendices Appendix A - MLP-Trim Specifications Appendix B - Formulas Appendix C - Parameter Summary Numeric Quick Reference Appendix D - Control Parameter Reference Appendix E - Monitor Parameter Reference Appendix F - Fax Cover Sheet Appendix G - Wiring Diagram Examples Appendix H - Revision Log
APPENDIX A: MLP–TRIM SPECIFICATIONS Accuracy: .
A-2 Analog Input: 0 - 10 VDC Range 33 KΩ Input Impedance 12 Bit Resolution + 0.1% Linearity Error - Typical + 0.05% Drift Error - Typical - Isolated Mode + 0.
Physical Dimensions: 4.0 inches height 4.0 inches width 6.
—NOTES— A-4
HZ RPM General HZ RPM General (CP-1,2) X X = = X SetpointFollower E.U.(CP-21) Follower (CP-3,4) X X SetpointFollower (CP-21) E.U.Follower (CP-3,4) SetpointFollower E.U.
B-2 HZ Setpoint (CP-21) E.U.
APPENDIX C: PARAMETER SUMMARY NUMERIC QUICK REFERENCE CP-01 MASTER SETPOINT 1 The Engineering Units value that you want your system to operate at when Master Setpoint 1 (CP-01) is active. If the Master Setpoint is equal to the Master Engineering Units (CP-20) then the system will run at its maximum RPMs, or Max RPM Feedback (CP-34). The factory default Master Setpoint Control Parameters are set at “0”.
CP-06 DIRECT SETPOINT Use the Direct Setpoint (CP-06) to set the drive output that is used when the MLP–Trim is in the Direct Mode of operation. Direct mode is an open-loop mode of operation. Scaling, Acceleration/Deceleration, and closed loop compensation (PID) software are not involved in the Direct mode. The Direct mode is used in conjunction with the Run and Stop controls. CP-08 MINIMUM LIMIT This parameter sets the minimum level of operation in the Run state.
CP-11 ALARM 2 FORMAT By entering alarm Control Parameters, you can establish circumstances under which the MLP–Trim will alert you to potential operating problems. The alarm can be wired to activate a warning light, a warning sound, or to shut down the system under specified conditions.
CP-16 ACCELERATION TIME Acceleration Time (CP-16) controls the rate of speed change in response to setpoint changes. This Control Parameter applies to both the Master and Follower modes of operation. Enter the desired number of seconds to increase the motor speed from 0 to 2000 RPMs. CP-17 DECELERATION TIME Deceleration Time (CP-17) controls the rate of speed change in response to setpoint changes. This Control Parameter applies to both the Master and Follower modes of operation.
CP-29 RECOVERY MULTIPLIER The Recovery Multiplier determines the rate at which the pulse error (position) is reduced to zero. This parameter multiplied by the pulse error count is the amount by which the speed setpoint is adjusted every 100 milliseconds. CP-30 PPR LEAD PPR Lead (CP-30) is the number of gear teeth or number of encoder lines on the Lead sensor per revolution (pulses per revolution).
MP-41 LEAD FREQUENCY The Lead Frequency (MP-41) displays the frequency of the Lead Frequency Input (J6 pin 1) in units of hertz (pulses per second). Lead Frequency (MP-41) is not averaged or filtered; it is the ten millisecond frequency calculation prior to the display update. Because Lead Frequency (MP-41) is not averaged or filtered and because of sensor irregularities, it may appear less stable than Tach (MP-40). Numbers that are larger than 9999 are displayed with two decimal places.
MP-44 DEVIATION (ERROR) Deviation (MP-44) displays the difference between the Ramped Reference (MP-46) and the Feedback Frequency (MP-43) measured in units of hertz (pulses per second). Deviation is not averaged or filtered; it is the ten millisecond frequency calculation prior to the display update. MP-45 SCALED REFERENCE The Scaled Reference (MP-45) is the scaled setpoint number converted to hertz. It is the calculated value that is input to the Acceleration/Deceleration routine.
MP-50 ACTIVE SCALING MODE Active Scaling Mode (MP-50) displays a number “1” to indicate the active scaling mode. In the example below, “Master Mode” is the active scaling mode. Code Direct Mode Master Mode Follower Mode/Offset Mode Inverse MP-51 KEYPAD ERROR If a Control Parameter entry has been rejected, Keypad Error (MP-51) will ascertain the reason that it was rejected. The digit that displays a number “1” is the error. In the example below, “Above Maximum Allowed Value” is the error.
MP-52 ALARM STATUS Alarm Status (MP-52 ) displays a number “1” to indicate the active alarm. In the example below, “High Speed Alarm ” is the active alarm. Code Low Speed Alarm High Speed Alarm Ramped Error Scaled Error MP-53 CONTROL STATE Control State (MP-53 ) displays a number “1” to indicate the active control state of the MLP–Trim. In the example below, “Run” is the active control state.
MP-54 LOGIC INPUTS - GROUP A The Logic Inputs - Group A (MP-54) displays the status of the Run, Jog, R–Stop and F–Stop logic inputs. The number “1” indicates an open, or logic high level. The number “0” indicates a closed, or logic low level (shorted to common). In the example below, “Jog” is the open or logic high level.
MP-56 LOGIC OUTPUTS The Logic Outputs (MP-56) displays the status of the Dig_Out1 and Dig_Out2 logic outputs. The number “1” indicates an inactive or de-energized (logic high) level. The number “0” indicates an active or energized (logic low) level. In the example below, “Dig_Out2” is the inactive or deenergized (logic high) level. Code Dig_Out1 (J6 Pin 15) Dig_Out2 (J6 Pin 16) Not Used Not Used MP-57 EEPROM STATUS The Control Parameters are stored in the EEPROM memory chip.
MP-59 FREQUENCY OVER FLOW COUNTER The Frequency Over Flow Counter (MP-59) is a counter that increments each time the frequency input to the MLP–Trim causes an overflow. To reset the counter to “0”, press the Clear key. CP-60 OPEN LOOP If CP-60 is set to "1", then the J6 Pin 12 input acts as the Scroll Down input. If CP-60 is set to "2", then this input is the Open/Closed Loop input.
CP-64 DISPLAY MODE FOLLOWER In the Follower mode of operation, Display Mode Follower (CP-64) determines how the data will display in Tach (CP-40). Enter "2" to display the ratio of feedback to lead, in E.U. (Follower) Enter "1" to display the feedback in E.U.s/Time (Master) CP-65 GAIN (PROPORTIONAL) To achieve an acceptable level of speed error, adjust Gain (CP-65) until the system stabilizes.
CP-70 DEVICE ADDRESS Device Address (CP-70) is the physical address of the MLP–Trim, which can be set from 1 to 32. Each individual MLP–Trim on a multidrop RS485 communications link needs a unique Device Address. The address “00” will be globally accepted by all of the MLP–Trims on a communications link, however, they will not send a response message back to the host computer when this global address is used. CP-71 BAUD RATE There are six different baud rates (data rates) for the MLP–Trim.
CP-74 DRIVE ENABLE LOGIC Drive Enable Logic (CP-74) determines which conditions of the Ramped Reference (MP-46) and the feedback will control the Drive Enable logic. Enter "0" to deactivate the Drive Enable output (output high) when the Ramped Reference is zero, and activate the Drive Enable output (output low) when the Ramped Reference is not zero.
MP-83 LIMIT STATUS Limit Status (MP-83) displays the status of the Minimum Limit (CP-08) and the Maximim Limit (CP-09) functions. A "1" in the display digit location for the respective function indicates that function is limiting. Code Not Used Min Limit Max Limit Not Used CP-84 ANALOG INPUT ALLOCATION CP-84 allocates the analog input to the desired function.
MP-87 A/D INPUT The A/D Input parameter (MP-87) displays the value of the analog input in percent of full scale (XXX.X%) before it is zero and span adjusted. MP-88 A/D INPUT ADJUSTED MP-88 displays the value of the analog input in percent of full scale (XXX.X%) after it is zero and span adjusted. The A/D Input Adjusted value is the value used for scaling the setpoint replacement, frequency replacement and offset functions.
—NOTES— C - 18
APPENDIX D: CONTROL PARAMETER REFERENCE CODE DESCRIPTION CP-01 CP-02 CP-03 CP-04 CP-05 CP-06 CP-08 CP-09 CP-10 CP-11 CP-12 CP-13 CP-14 CP-15 CP-16 CP-17 CP-18 CP-19 CP-20 CP-21 CP-29 CP-30 CP-31 CP-33 CP-34 CP-60 CP-61 CP-62 CP-64 CP-65 CP-66 Master Setpoint 1 Master Setpoint 2 Follower Setpoint 1 Follower Setpoint 2 Jog Setpoint Direct Setpoint Minimum Limit Maximum Limit Alarm 1 Format Alarm 2 Format Low Alarm High Alarm Ramped Error Alarm Scaled Error Alarm Acceleration Time Deceleration Time Lag Pulse
CODE DESCRIPTION CP-67 CP-69 CP-70 CP-71 CP-72 CP-73 CP-74 CP-75 CP-76 CP-77 CP-79 CP-84 CP-85 CP-86 CP-98 D-2 Derivative Trim Authority Device Address Baud Rate Character Format Control Mask Drive Enable Logic Offset Null Offset Authority Offset Polarity Setpoint Lockout Mask Analog Input Allocation Analog Input Zero Analog Input Span Keypad Lockout MIN 0 0 1 1 1 0 0 000.0 000.0 1 0 0 000.0 000.0 1 MAX DEFAULT 9999 100 32 6 3 3 1 100.0 999.9 2 2 7 100.0 100.0 9999 9000 100 1 6 2 0 0 000.0 100.
APPENDIX E: MONITOR PARAMETER REFERENCE CODE DESCRIPTION MIN MAX MP-40 MP-41 MP-42 MP-43 MP-44 MP-45 MP-46 MP-47 MP-48 MP-50 MP-51 MP-52 MP-53 MP-54 MP-55 MP-56 MP-57 MP-58 MP-59 MP-83 MP-87 MP-88 MP-99 MP-00 Tach 0 Lead Frequency 0 Pulse Error Count -9999 Feedback Frequency 0 Deviation (Error) 0 Scaled Reference 0 Ramped Reference 0 Speed Command Output 0 Trim Output -4095 Active Scaling Mode 0 Keypad Error 0 Alarm Status 0 Control State 0 Logic Inputs - Group A 0 Logic Inputs - Group B 0 Logic Output
—NOTES— E- 2
APPENDIX F: MLP–TRIM FAX COVER SHEET Date: ______________________ Atten: Contrex Technical Support Fax Number: 1-763-424-8734 From: Name ____________________________________ Ext______________ Company _________________Telephone #__________________Fax # _________________ We have ______ MLP–Trim(s) that are used for: ____________________________________ ___________________________________________________________________________ ___________________________________________________________________________ Ser
Please record the Control Parameters that you have changed from the default value: Code# Description CP-01 CP-02 CP-03 CP-04 CP-05 CP-06 CP-08 CP-09 CP-10 CP-11 CP-12 CP-13 CP-14 CP-15 CP-16 CP-17 CP-18 CP-19 CP-20 CP-21 CP-29 CP-30 CP-31 Master Setpoint 1 Master Setpoint 2 Follower Setpoint 1 Follower Setpoint 2 Jog Setpoint Direct Setpoint Minimum Limit Maximum limit Alarm 1 Format Alarm 2 Format Low Alarm High Alarm Ramped Error Alarm Scaled Error Alarm Acceleration Time Deceleration Time Lag Pulse Lim
APPENDIX G: WIRING DIAGRAM EXAMPLES DANGER This diagram is for conceptual purposes only! Use safety equipment. Make wiring connections carefully. Incorrect use of equipment or connections can cause injury or death.
DANGER This diagram is for conceptual purposes only! Use safety equipment. Make wiring connections carefully. Incorrect use of equipment or connections can cause injury or death.
DANGER This diagram is for conceptual purposes only! Use safety equipment. Make wiring connections carefully. Incorrect use of equipment or connections can cause injury or death. COM_AUX 2 T/R+ T/R– 3 COM_AUX RS485 COMM 1 1 COM 2 LEAD_FQ 1 FDBK_FQ 2 COM 3 Feedback Freq.
DANGER This diagram is for conceptual purposes only! Use safety equipment. Make wiring connections carefully. Incorrect use of equipment or connections can cause injury or death. Line Neut F-Stop Start M1 Armature Contactor M1-AUX1 J5 2 COM_AUX T/R+ 2 T/R– 3 COM_AUX RS485 COMM 1 1 COM 2 LEAD_FQ 1 FDBK_FQ 2 COM 3 Feedback Freq.
DANGER This diagram is for conceptual purposes only! Use safety equipment. Make wiring connections carefully. Incorrect use of equipment or connections can cause injury or death.
—NOTES— G-6
6581 B 05/00 11/99 1000-7741 Rev. 1.0 Revision Corresponding * Date Software Rev. Misc updates and corrections. New Manual Release Pages Changed Software revisions may not mandate manual changes. If your software revision is more recent than what is reflected here, use the the most current revision of the manual.
—NOTES— H-2
Warranty Service Policy Warranty Warranty - 1
Warranty - 2
SERVICE POLICY Contrex, Inc., recognizes that with each sale of its product there are certain product obligations. This document defines the limits of such obligations and provides guidelines for the performance of related services. Applicability This Service Policy shall apply to all product sales of Contrex, Inc. However, it may be modified by mutual consent.
WARRANTY Contrex, Inc., guarantees this device against defects in workmanship and materials for a period of one (1) year from the date of purchase. Any parts or components that fail during the warranty period will be replaced or repaired without charge. This guarantee is void if the device has been damaged by improper installation or operation, tampering, careless handling or accident.
Index Index - 1
Index - 2
Index A AC Power Input..page 2-8 Acceleration Time..page C-4, D-1 Acceleration/Deceleration..page 3-47, Glossary-3 Active Scaling Mode..page 3-70, C-8, E-1 Alarm Format..page 3-52, C-2, C-3, D-1 Status..page 3-71, C-9, E-1 Alarms, grouped..page 3-52 Analog Feedback Follower Mode..page 3-31 Master Mode..page 3-13 Analog Input Input..page 2-14 Analog Lead Follower Mode..page 3-28 Analog Setpoint Follower Mode..page 3-34 Master Mode..page 3-16 Appendix A..page A-1 Appendix B..page B-1 Appendix C..
Definition..page Glossary-3 MLP–Trim..page 2-21, 2-23 Character Format..page 3-75, C-14, D-2 Clear/4..page 4-3 Clear/7..page 4-11 Closed Loop..page 1-3, Glossary-3 Closed Loop Compensation..page Glossary-3 Connections, Serial Communications..page 2-18 Contrex Host..page 3-73 Control Command Send..page Glossary-3 Serial Communications..page 3-82 Control Mask..page 3-75, C-14, D-2 Control Paramerters CP-86..page 2-23 Control Parameter Reference List..page D-1 Control Parameters..
CP-65..page 3-48, C-13, D-1 CP-66..page 3-48, C-13, D-1 CP-67..page 3-48, C-13, D-2 CP-69..page C-13, D-2 CP-70..page 3-74, C-14, D-2 CP-71..page 3-74, C-14, D-2 CP-72..page 3-75, C-14, D-2 CP-73..page 3-75, C-14, D-2 CP-74..page C-15, D-2 CP-75..page 3-38, C-15, D-2 CP-76..page 3-39, C-15, D-2 CP-77..page 3-39, C-15, D-2 CP-79..page 3-5, C-15, D-2 CP-84..page 3-13, 3-16, 3-28, 3-31, 3-34, 3-38, C-16, D-2 CP-85..page C-16, D-2 CP-86..page 2-23, C-16, D-2 CP-98..page 3-5, C-16 Control State..
Enclosure, Mounting and Housing the MLP-Trim..page 2-3 Engineering Units..page Glossary-5 F F–Stop..page 3-58, Glossary-5 Input..page 2-11, 2-13 Fax Cover Sheet..page F-1 Feedback Frequency..page 3-64, C-6, E-1 Input..page 2-9 Follower Engineering Units..page 3-19, C-4, D-1 Follower Mode..page 3-19, Glossary-5 Application..page 1-5 Example..page 3-22 Follower Setpoint 1..page C-1, D-1 Follower Setpoint 2..page C-1, D-1 Formulas..page B-1 Frequency Overflow Counter..page 3-72, C-12, E-1 G Gain..
Installation Calibration..page 2-19 Mounting the MLP-Trim..page 2-3 Wiring..page 2-5 Integral..page 3-48, C-13, D-1 Interface with a Host Computer..page 3-73, 3-76 Internal Control Structure of the MLP–Trim..page 3-68 Inverse Follower Mode..page 3-45 Inverse Master Mode..page 3-43 Inverse Scaling..page 3-43, 3-45, C-12 J J1 pins 1, 2 (Aux Power)..page 2-7, 2-16 J3 pins 1, 2 (Speed Command Out)..page 2-15 J4 pins 1, 2, 3 (AC Power)..page 2-8 J5 pins 1, 2 (I/O Power)..page 2-7 J6 pins 1, 3 (Lead Frequency)..
Numeric..page 3-3, Glossary-7 Setpoint..page 3-3 Tach..page 3-3 Up/Down Scroll..page 3-3, Glossary-10 L Lead Frequency..page 3-64, C-6, E-1 Input..page 2-8 LED Display..page 3-3, Glossary-6 Limits..page 3-54 LOC..page 3-5 Logic Inputs..page 3-58, Glossary-6 Inputs, Group A..page 3-65, C-10, E-1 Inputs, Group B..page 3-65, C-10, E-1 Output..page 3-61 Outputs..page 3-67, C-11, E-1 Logic Control..page 3-57 Low Alarm..page C-3, D-1 M Master / Follower Input..page 2-11 Master Engineering Units..
MP-45..page 3-69, C-7, E-1 MP-46..page 3-69, C-7, E-1 MP-47..page 3-67, C-7, E-1 MP-48..page 3-69, C-7, E-1 MP-50..page 3-70, C-8, E-1 MP-51..page 3-70, C-8, E-1 MP-52..page 3-71, C-9, E-1 MP-53..page 3-71, C-9, E-1 MP-54..page 3-65, C-10, E-1 MP-55..page 3-65, C-10, E-1 MP-56..page 3-67, C-11, E-1 MP-57..page 3-72, C-11, E-1 MP-58..page 3-75, C-11, E-1 MP-59..page 3-72, C-12, E-1 MP-83..page 3-72, C-16, E-1 MP-87..page 3-66, C-17, E-1 MP-88..page 3-66, C-17, E-1 MP-99..
Follower Mode..page 3-19 Example..page 3-22 Input Monitoring..page 3-64 Inverse Follower Mode..page 3-45 Example..page 3-46 Inverse Master Mode..page 3-43 Example..page 3-44 Jog..page 3-55 Keypad Operation..page 3-3 Limits..page 3-54 Logic Control..page 3-57 Logic Inputs..page 3-58 Logic Outputs..page 3-61 Master Mode..page 3-9 Example..page 3-12 Monitor Parameters..page 3-63 Offset Mode..page 3-38 Example..page 3-41 Output Monitoring..page 3-67 Performance Monitoring..page 3-68 Serial Communications..
Chip Replacement..page 4-16 Test..page 4-10, Glossary-8 R R–Stop..page 3-58 Input..page 2-10 RAM Test..page 4-4, 4-10, Glossary-9 Ramped Error..page C-3, D-1 Ramped Reference..page C-7, E-1 Remote Control of the MLP–Trim..page 3-73 Revision Log..page H-1 Ring Kits..page Glossary-9 RPM Feedback..page Glossary-9 RPM Lead..page Glossary-9 RS485..page 3-73 Run..page 3-59, Glossary-9 Input..page 2-9 S Scaled Error..page C-3, D-1 Scaled Reference..page C-7, E-1 Scaling..page Glossary-9 Scroll Down Input..
Design / Communications..page 3-76 Part Number..page C-17, E-1 Specifications, MLP–Trim..page A-1 Speed Command Out..page 3-67, C-7, E-1 Output..page 2-15 Status Monitoring..page 3-70, Glossary-10 Support, Technical. See Technical Support T Tach..page 3-68, C-5, E-1 Technical Support..page ii, 4-3, 4-11 Test Random Access Memory..page 4-4 The Keypad..page 4-6 The LED Display Panel Segments..page 4-5 The Logic Inputs..page 4-7 The Logic Outputs..page 4-8 The Speed Command Output..page 4-9 Trim Output..
