Operating Instructions Temperature Indicating Controller, Models CS4H and CS4L WIKA Operating Instructions CS4H / CS4L WIKA Alexander Wiegand GmbH & Co. KG Alexander-Wiegand-Straße 30 63911 Klingenberg/Germany Phone (+49) 93 72/132-0 Fax (+49) 93 72/132-406 E-Mail info@wika.de www.wika.de V1.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Preface Thank you for the purchase of our microcomputer based temperature indicating controllers CS4H or CS4L. This manual contains instructions for the mounting, functions, operations and notes when operating the CS4H or CS4L. For model confirmation and unit specifications, please read this manual carefully before starting operation.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 1. Installation precautions Caution This instrument is intended to be used under the following environmental conditions (IEC61010-1): Overvoltage category , Pollution degree 2 Mount the controller in a place with: • A minimum of dust, and an absense of corrosive gasses • No flammable, expolsive gasses • No mechanical vibrations or shocks • No exposure to direct sunlight, an ambient temperature of 0 ... 50°C (32 ...
Operating Instructions Temperature Indicating Controller CS4H / CS4L List of contents 1. Model informations 1.1 Model name ····················································································································· 6 1.2 Rated input ······················································································································· 7 2. Name and functions of the sections ········································································ 8 3.
Operating Instructions Temperature Indicating Controller CS4H / CS4L A2 action selection ·········································································································· 26 A1 action Energized/Deenergized selection ···································································· 26 A2 action Energized/Deenergized selection ···································································· 26 A1 hysteresis setting ·······························································
Operating Instructions Temperature Indicating Controller CS4H / CS4L 1. Model informations 1.1 Model name and order code CS4 - 3 A /M Model H L Control 3 characteristic Alarm 1 (A1) A Control output R S A Input M Power supply H L Case colour Instrument configuration Options B - - -...
Operating Instructions Temperature Indicating Controller CS4H / CS4L 1.2 Rated input Input type K J R S B E T N PLC(W/Re5-26) Pt100 JPt100 4 … 20 mA DC 0 … 20 mA DC 0 … 1 V DC 0 … 5 V DC 1 … 5 V DC 0 … 10 V DC (1) (2) V1.1 • 05/2006 Input range –200 ... 1370 °C –320 ... 2500 °F –199.9 ... 400.0 °C –199.9 ... 750.0 °F –200 ... 1000 °C –320 ... 1800 °F 0 ... 1760 °C 0 ... 3200 °F 0 ... 1760 °C 0 ... 3200 °F 0 ... 1820 °C 0 ... 3300 °F –200 ... 800 °C –320 ... 1500 °F –199.9 ... 400.0 °C –199.9 ... 750.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 2. Name and functions of the sections (1) (1) (2) (2) (3) (4) (5) (6) (7) (12) (8) (9) (10) (11) (14) (15) (3) (8) (4) (9) (5) (10) (6) (11) (7) (14) (12) (15) (13) (13) (Fig. 2-1) Indications: (1) PV: PV display Indicates the process variable (PV) with a red LED. (2) SV: SV display Indicates the setting value (SV) or manipulated variable (MV) with a green LED.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Keys: (12) ▲: Increase key Increases numeric value of the setting value. (13) ▼: Decrease key Decreases numeric value of the setting value. (14) MODE: Mode key Switches the setting mode and registers the setting value and selected value. (Setting value and selected value are registered by pressing the mode key.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 3. Mounting to control panel 3.1 Site selection This instrument is intended to be used under the following conditions (IEC61010-1): Overvoltage category , Pollution degree 2 Mount the controller in a place with: (1) A minimum of dust, and an absence of corrosive gases (2) No flammable, explosive gasses (3) No mechanical vibrations or shocks (4) No exposure to direct sunlight, an ambient temperature of 0 ... 50°C (32 ...
Operating Instructions Temperature Indicating Controller CS4H / CS4L 3.3 Panel cutout 130 92+0.8 0 • CS4H 92 +0.8 0 n x 48-3+0.5 0 Lateral close mounting, n: Number of units mounted Caution: When lateral close mounting is used for the controller, IP66 specification is not fulfilled. +0.5 0 45 (Fig. 3.3-1) 130 92+0.8 0 • CS4L n×96-3 +0.5 0 Lateral close mounting, n: Number of units mounted 92 + 0.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 3.5 Mounting (both CS4H and CS4L) Warning As the case is made of resin, do not use excessive force while screwing in the mounting bracket, or the case could be damaged. The torque is approximately 0.12 Nm. To fulfill the Dust-proof/Drip-proof IP66 specification, mount this unit vertically and check the rigidity of the panel where this unit is mounted.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 4. Wiring connection Warning Turn the power supply to the instrument off before wiring or checking. Working or touching the terminal with the power switched on may result in Electric Shock causing severe injury or death. Moreover, the instrument must be grounded before the power supply to the instrument is turned on. 4.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Caution • The terminal blocks of the CS4H and CS4L are designed to be wired from the left side. The lead wire must be inserted from the left side of the terminal, and fastened with the terminal screw. • Dotted lines show options. If the option is not designated, there are no terminals. • When A2 (option) and Heater burnout alarm (option) are applied together, use terminals 12-13 for A2, and 9-10 for Heater burnout alarm.
Operating Instructions Temperature Indicating Controller CS4H / CS4L [Heater burnout alarm output] (1) This alarm is not available for detecting heater current under phase control. (2) Use current transformer (CT) provided, and pass one lead wire of heater circuit into the hole of the CT. (3) When wiring, keep CT wire away from any AC sources and load wires to avoid the external interference. 15 16 CT input terminal Power source CT Heater (Fig. 4.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 5. Setup For the thermocouple and RTD inputs, the sensor input characters and temperature unit are indicated on the PV display and the input range high limit value is indicated on the SV display for approximately 3 seconds after the power is turned on (Table 5-1).
Operating Instructions Temperature Indicating Controller CS4H / CS4L 5.1 Setup flow chart PV/SV display mode OUT/OFF MODE Output manipulated variable MODE (Approx. 3s) Control output OFF function [ ] (*1) (Approx. 1s) ▲+ MODE MODE ▼+ MODE (Approx.
Operating Instructions Temperature Indicating Controller CS4H / CS4L ▲+▼+ MODE (Approx.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 5.2 Main setting mode If the MODE key is pressed, main setting mode is selected. The setting value (numeric value) can be increased or decreased by pressing the ▲ or ▼key. If the MODE key is pressed, the setting value is registered and the controller will revert to the PV/SV display mode. SV1 [ ] • Sets SV1. • Setting range: • Default: 0 °C SV2 [ ] • Sets SV2.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Integral time setting [ ] • Sets the integral time. Setting the value to 0 disables the function. (PD action) • Not available when OUT1 is ON/OFF action • Setting range: 0 … 1000 seconds • Default: 200 seconds Derivative time setting [ ] • Sets the derivative time. Setting the value to 0 disables the function.
Operating Instructions Temperature Indicating Controller CS4H / CS4L HB (Heater burnout alarm) setting [ and X.X are indicated in turn.] • Sets the heater current value for Heater burnout alarm. Setting the value to 0.0 disables the function. • Available only when Heater burnout alarm (option) is added • When OUT1 is OFF, heater current value shows the same value as when OUT1 was on. • It is recommended to set approx. 80 % of the heater current value (setting value) considering the voltage fluctuation.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 5.4 Auxiliary function setting mode 1 In the PV/SV display mode, if the MODE key is pressed while the ▼ key is being pressed for approx. 3 seconds, Auxiliary function setting mode 1 can be selected. The setting value can be increased or decreased by pressing the ▲ or ▼ key. If the MODE key is pressed, the setting value is registered and the next setting item is selected.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Data transfer rate selection [ ] • Selects the data transfer rate of this unit. (The data transfer rate of this unit must be equal to the rate of the host computer, otherwise it is impossible to communicate) • Available only when the option Serial interface [CR5] is applied (2400 bps) • Selection items: (4800 bps) (9600 bps) (19200 bps) • Default: 9600 bps Parity selection [ ] • Selects the parity of this unit.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 5.5 Auxiliary function setting mode 2 In the PV/SV display mode, if the MODE key is pressed while the ▲ and ▼ keys are being pressed for approx. 3 seconds, Auxiliary function setting mode 2 can be selected. The setting value can be increased or decreased by pressing the ▲ or ▼ key. If the MODE key is pressed, the setting value is registered and the next setting item is selected.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Decimal point place selection [ ] • Selects the decimal point place. • Available only for DC input (No decimal point) • Selection item: (1 digit after the decimal point) (2 digits after the decimal point) (3 digits after the decimal point) • Default: No decimal point PV filter time constant setting [ ] • Sets PV filter time constant. However, if the setting value is too large, it affects to the control result due to the delay of response.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Overlap band/Dead band setting [ ] • Sets Overlap band/Dead band for OUT1 and OUT2. + setting value: Dead band – setting value: Overlap band • Not available for ON/OFF action or when 2. control output (option) is not added • Setting range: –100.0 … 100.0 °C (°F) for DC input, 1 … 1000 (the placement of the decimal point follows the selection) • Default: 0.0 °C OUT2 ON/OFF action hysteresis setting [ ] • Sets ON/OFF hysteresis for OUT2.
Operating Instructions Temperature Indicating Controller CS4H / CS4L A1 action delayed timer setting [ ] • Sets the action delayed timer for A1. When setting time has passed after the input enters the alarm output range, the alarm is activated. • Not available if No alarm action is selected in the A1 action selection • Setting range: 0 … 9999 seconds • Default: 0 seconds A2 action delayed timer setting [ ] • Sets the action delayed timer for A2.
Operating Instructions Temperature Indicating Controller CS4H / CS4L [Sensor correction function] This corrects the input value from the sensor. When a sensor cannot be set at a location where control is desired, the sensor measuring temperature may deviate from the temperature in the controlled location. When controlling with plural controllers, sometimes the temperatures measured (input value) do not concur with the same setting value due to difference in sensor accuracy or dispersion of load capacities.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 5.6 Control output OFF function Control output OFF function [ ] • A function to pause the control action or turn the control output of the unused instrument of the plural units OFF even if the power to the instrument is supplied. ] is indicated on the PV display while the function is working. [ • Pressing the OUT/OFF key for approx. 1 second from any mode turns the control output OFF. Pressing the OUT/OFF key again for approx.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 6. Running After the controller has been mounted to the control panel and wiring is completed, it can be started in the following manner. (1) Turn the power supply to the CS4H, CS4L ON. For thermocouple and RTD inputs, for approx. 3 seconds after the power is switched ON, sensor input character and temperature unit are indicated on the PV display, and the input range high limit value is indicated on the SV display. See (Table 6-1).
Operating Instructions Temperature Indicating Controller CS4H / CS4L 7. Action explanation 7.1 OUT1 action Heating (reverse) action Cooling (direct) action Proportional band Proportional band ON ON Control action OFF OFF SV setting SV setting R/ H 4 H 4 H 4 H 4 H 4 H 4 C 5 C 5 C 5 C 5 C 5 C 5 L 6 L 6 L 6 L 6 L 6 L 6 Cycle action is performed according to deviation. + 5 + 5 12V DC S/ + 5 12/0V DC - 6 Cycle action is performed according to deviation.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 7.3 OUT1 ON/OFF action Heating (reverse) action Cooling (direct) action Hysteresis Hysteresis ON ON Control action OFF OFF SV setting SV setting R/ H 4 H 4 H 4 H 4 C 5 C 5 C 5 C 5 L 6 L 6 L 6 L 6 + 5 + 5 + 5 12V DC S/ A/ 0V DC + 5 0V DC 12V DC 6 6 6 6 + 5 + 5 + 5 + 5 20mA DC 4mA DC 4mA DC 6 6 6 20mA DC 6 Indication (OUT1) Green Lit Unlit Unlit : Acts ON (lit) or OFF (unlit). V1.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 7.4 OUT2 (Heating/Cooling control) action (option) Heating P-band (Cooling P-band) ON ON Control action Heaing action (Cooling action) OFF OFF SV setting R/ H 4 H 4 H 4 C 5 C 5 C 5 L 6 L 6 L 6 Cycle action is performed according to deviation. DR 9 9 9 10 10 10 Cycle action is performed according to deviation. + 5 S/ + 5 12V DC 12/0V DC 6 6 + 5 0V DC 6 Cycle action is performed according to deviation.
Operating Instructions Temperature Indicating Controller CS4H / CS4L When setting Dead band Heating P-band Dead band (Cooling P-band) ON ON Heatng action Control action (Cooling action) OFF OFF SV setting R/ H 4 H 4 H 4 C 5 C 5 C 5 L 6 L 6 L 6 Cycle action is performed according to deviation. DR 9 9 9 10 10 10 Cycle action is performed according to deviation. + 5 S/ + 5 12V DC 12/0V DC 6 6 + 5 0V DC 6 Cycle action is performed according to deviation.
Operating Instructions Temperature Indicating Controller CS4H / CS4L When setting Overlap band with Relay contact output. Heating P-band Cooling P-band Overlap band ON ON Heating action Control action (Cooling action) OFF OFF SV setting R/ H 4 H 4 H 4 C 5 C 5 C 5 L 6 L 6 L 6 Cycle action is performed according to deviation. DR 9 9 9 10 10 10 Cycle action is performed according to deviation.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 7.
Operating Instructions Temperature Indicating Controller CS4H / CS4L High/Low limits alarm with standby A1 hysteresis ON Alarm action : A1 output terminals between 7 and 8 is ON. OFF : A1 output terminals between 7 and 8 is ON or OFF. SV setting A1 A1 set point set point : A1 output terminals between 7 and 8 is OFF. Alarm output : Standby functions. For A2 output, terminals 12 and 13 are used.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 8.2 PID auto-tuning of this controller In order to decide each value of P, I, D and ARW automatically, this system forcibly fluctuates the object being controlled. (1) When the difference between the setting value and processing temperature is large as the temperature rises. Fluctuation is applied at the temperature 20 °C lower than the setting value.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 8.3 Auto-reset (offset correction) Auto-reset is performed to correct the offset at the point at which PV indication is stabilized within the proportional band during the PD action. Since the corrected value is internally memorized, it is not necessary to perform the auto-reset again as long as the process is the same. However, when the proportional band is set to 0, the corrected value is cleared.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 9. Specifications 9.1 Standard specifications : Flush Mounting method Setting method : Membrane sheet key Display CS4H PV display : Red LED 4 digits, character size, 11.2 x 5.4 (H x W) mm SV display : Green LED 4 digits, character size, 11.2 x 5.4 (H x W) mm CS4L PV display : Red LED 4 digits, character size, 18 x 8 (H x W) mm SV display : Green LED 4 digits, character size, 12.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Accuracy (Setting, indication) Thermocouple : Within ±0.2 % of input range full scale ±1 digit or within ±2 °C (4 °F), whichever is greater However, R, S inputs, 0 … 200 °C (0 … 400 °F): Within ±6 °C (12 °F) B input, 0 … 300 °C (0 … 600 °F): Accuracy is not guaranteed. K, J, E, T, N inputs, less than 0 °C (32 °F): Within ±0.4 % of input range full scale ±1 digit RTD : Within ±0.
Operating Instructions Temperature Indicating Controller CS4H / CS4L : 100 ... 240 V AC 50/60Hz or 24 V AC/DC 50/60Hz Allowable voltage fluctuation range 100 ... 240 V AC : 85 ... 264 V AC 24 V AC/DC : 20 ... 28V AC/DC Ambient temperature : 0 ... 50 °C (32 ... 122 °F) Ambient humidity : 35 ... 85 %RH (no condensation) Power consumption : Approx.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Attached functions [Sensor correction function] [Setting value lock function] [Input burnout indication] • For thermocouple or RTD input, if the input value exceeds the Indication range high limit value, the PV display blinks “ ” and if the input value exceeds Indication range low limit value, the PV display blinks ” ”.
Operating Instructions Temperature Indicating Controller CS4H / CS4L [Burnout] When the thermocouple or RTD input is burnt out, OUT1 is turned off (for control output Analogue current signal (4 ... 20 mA), OUT1 low limit value) and the PV display blinks “ ”. [Self-diagnosis] The CPU is monitored by a watchdog timer, and when any abnormal status is found on the CPU, the controller is switched to warm-up status.
Operating Instructions Temperature Indicating Controller CS4H / CS4L 9.2 Optional specifications Alarm output 2 (A2) process value monitoring [option codes: 2AS or 2AL] When A2 action is set as Energized, the alarm action point is set by ±deviation to OUT1 setting (except Process alarm). When the input exceeds the range, the output turns ON or OFF (in the case of High/Low limit range alarm). When the alarm action is set as Deenergized, the output acts conversely.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Heating/Cooling control [option codes: DR2, DS2, DA2] When the option 2. control output is added, one more option Alarm output 2 or Heater burnout alarm can be added. OUT2 proportional band : 0.0 ... 10.0 times OUT1 proportional band (ON/OFF action when set to 0.0) OUT2 integral time : The same as that of OUT1 OUT2 derivative time : The same as that of OUT1 OUT2 proportional cycle : 1 ...
Operating Instructions Temperature Indicating Controller CS4H / CS4L 10. Troubleshooting If any malfunctions occur, refer to the following items after checking the power of the controller. Warning Turn the power supply to the instrument off before wiring or checking. Working or touching the terminal with the power switched on may result in Electric Shock causing severe injury or death. 10.1 Indication Problem Presumed cause and solution The PV display is indica • Control output OFF function is working.
Operating Instructions Temperature Indicating Controller CS4H / CS4L Problem The value set during the Scaling low limit setting remains on the PV display. The indication of PV display is abnormal or unstable. PV display blinks ]. [ Presumed cause and solution • Is the sensor for DC voltage (0 ... 5 V DC, 0 ... 10 V DC) or DC current (0 ... 20 mA DC) input burnt out? Replace each sensor. [How to check sensor burnout] [DC voltage (0 ... 5 V DC, 0 ...
Operating Instructions Temperature Indicating Controller CS4H / CS4L 10.3 Control Problem Process variable (temperature) does not rise. If the control output remains ON status. If the control output remains OFF status. Presumed cause and solution • The sensor is out of order. Replace the sensors. • Is sensor terminal or control output terminal securely mounted to the instrument terminal? Mount them securely. • Is wiring of sensor terminal or control output terminal correct? Wire them correctly.
Operating Instructions Temperature Indicating Controller CS4H / CS4L [Auxiliary function setting mode 1] Character Setting item Default value Setting value lock selection Unlock SV high limit setting Input range high limit value SV low limit setting Input range low limit value Sensor correction setting 0.