Operating Instructions Temperature Indicating Controller, Model CF2S WIKA Operating Instructions CF2S 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 CF2S Thank you for your purchase of our Microcomputer based Temperature Indicating Controller CF2S. This manual contains instructions for the mounting, functions, operations and notes when operating the CF2S. For model confirmation and unit specifications, please read this instruction manual carefully before starting operation. To prevent accidents arising from the use of this controller, please ensure the operator using it receives this manual.
Operating Instructions Temperature Indicating Controller CF2S --- CONTENTS --1. Model names -------------------------------------------------------------------------------- 5 2. Name and functions of the sections -------------------------------------------- 6 3. Setup 3.1 Taking the internal assembly out ----------------------------------------------------- 7 3.2 Switch setting (multi-function) --------------------------------------------------------- 7 3.
Operating Instructions Temperature Indicating Controller CF2S (6) Program mode Program control change -------------------------------------------------------------Step 1 to 7 time setting --------------------------------------------------------------(7) Control output OFF function -------------------------------------------------------(8) Output manipulating value and Step rest time indication mode ----------5. Setting value memory number external selection ----------------------- 22 23 24 25 25 6.
Operating Instructions Temperature Indicating Controller CF2S 1. Model names CF2S -3 3 Alarm Output A- / M- - - - ..... A R S A Input Power supply Mounting provision M H L FT FS Instrument configuration B ?/# Options 2AS (3) 2AR (3) 2AL (3) CR2 (4) CR5 (4) IP4 (5) KAB (1) (2) (3)(4) (5) V1.2 Series name CF2S Control action PID (1) Alarm action, output relais (2) Relais contact output Non contact voltage output (0/12 VDC) Current output 4 ... 20 mA Multi-range input AC 100 ... 240 V, 50 .
Operating Instructions Temperature Indicating Controller CF2S 2. Name and functions of the sections (1) (3) (4) (2) (5) (6) [Fig. 2-1] (1) PV display Indicates the Process variable (PV) with the red LED. (2) SV display Indicates the Setting value (SV), Manipulating value (MV) or Time (TIME) with the green LED. (3) Control output indicator (OUT) The green LED is lit when the Control output is on. (For the current output type, it blinks corresponding to the manipulating value at 0.125 seconds of period.
Operating Instructions Temperature Indicating Controller CF2S 3. Setup 3.1 Taking the internal assembly out Warning Do not take the inner assembly out nor touch the terminal with the power supply on. Touching the terminal with the power switched ON may result in an Electric Shock which could cause severe injury or death.
Operating Instructions Temperature Indicating Controller CF2S The following items can be designated by the DIP switch (SW304). Factory adjusted as all switches OFF [ ]. [Table 3.2-1] Sw. No. 4 Designation Fuzzy self-tuning PID action PID action PD action ON/OFF action Heating (reverse) action Cooling (direct) action No standby action Standby action Switch status No.1: OFF No.2: OFF No.1: ON No.2: OFF No.1: OFF No.2: ON No.1: ON No.2: ON No.3: OFF No.3: ON No.4: OFF No.
Operating Instructions Temperature Indicating Controller CF2S Select the sensor type by rotary switch sensor input (SW303). Factory adjusted as K, [ ]. [Table 3.2-2] Rotary Sw. No. V1.2 • DIP Sw. No. 7 Type of sensor Scale range 0 OFF K -200 to 1370 °C -320 to 2500 °F 1 OFF J -200 to 1000 °C -320 to 1800 °F 2 OFF R 0 to 1760 °C 0 to 3200 °F 3 OFF B 0 to 1820 °C 0 to 3300 °F 4 OFF PL- 0 to 1390 °C 0 to 2500 °F 5 OFF N 0 to 1300 °C 0 to 2300 °F 6 OFF Pt100 -199.9 to 850.
Operating Instructions Temperature Indicating Controller CF2S The alarm action type and the pattern end output when program control can be designated by the rotary switch A1 (SW302) and A2 (SW301). The rotary switch A2 (SW301) is equipped only when the option A2 is applied. Rotary switch A1 (SW302): Alarm 1 (A1) action or Pattern end 1 output. Rotary switch A2 (SW301): Alarm 2 (A2) action or Pattern end 2 output. Factory adjusted as No alarm action, [ ]. [Table 3.2-3] Alarm 1 action A1 Rotary Sw.
Operating Instructions Temperature Indicating Controller CF2S 4. Operations 4.1 Operating flow chart Instrument power ON Warm-up status (For approx. 2s, displays as shown on page 15.) 1s Control output OFF function 3s PV/SV display mode Output manipulating value Step rest time + [Main setting mode] *1 + 3s [Auxiliary function setting mode 1] [Sub setting mode] Main setting Setting value memory No.
Operating Instructions Temperature Indicating Controller CF2S : Options : Press the 3s: Press the + 3s: Press the while the + 3s : Pressing the + + + key while the key is being pressed. key for approx. 3 seconds while the key is being pressed. key for approx. 3 seconds and keys are being pressed. key, press the key for approx. 3 seconds. *1: Step rest time is indicated only during program control. *2: If the Auto-tuning is performed, the mode reverts to the PV/SV display.
Operating Instructions Temperature Indicating Controller CF2S 4.2 Operations The PV display indicates the sensor type and the SV display indicates the rated value selected by Sensor input designation (page 10, 11) for approx. 2 seconds after the power is turned on. See [table 4.2-1]. During this time, all outputs and LED indicators are in their off status. After that, the actual temperature is displayed on the PV display, main setting value on the SV display and starts control.
Operating Instructions Temperature Indicating Controller CF2S (2) Main setting mode In the PV/SV display mode, if the key is pressed, the Main setting mode will be selected. The setting value can be increased or decreased by pressing the and keys. key is pressed, the setting value will be registered and the controller will If the revert to the PV/SV display. PV/SV display mode Actual Main setting Temperature value Main setting Setting value Mode to set the setting value of the main control.
Operating Instructions Temperature Indicating Controller CF2S SV (Auto-tuning Cancel) SV (Auto-tuning Perform) [Factory adjusted as Auto-tuning Cancel] If the Auto-tuning is released during the process, the PID value reverts to the former value. Proportional band setting Setting value Integral time setting Setting value Mode to set the proportional band. Setting range: 0.1 to 999.9% [Factory adjusted as 2.
Operating Instructions Temperature Indicating Controller CF2S Alarm 1 (A1) setting Setting value Mode to set the action point of the Alarm 1 (A1) output. This item is not displayed if setting the rotary switch to No. 0 or No. 7 (See page 12.) Setting range: see [table 4.2-2]. [Factory adjusted as 0°C] Alarm 2 (A2) setting Setting value Mode to set the action point of the Alarm 2 (A2) output.
Operating Instructions Temperature Indicating Controller CF2S (4) Auxiliary function setting mode 1 key is pressed for approx. 3 seconds while the key In PV/SV display mode, if the is being pressed, Auxiliary function setting mode 1 can be selected. and keys. The setting value can be increased or decreased by pressing the If the key is pressed, the setting value is registered and the next setting item is selected. PV/SV display mode Actual Main setting Temperature value + for approx.
Operating Instructions Temperature Indicating Controller CF2S Main setting value high limit setting Setting value Mode to set the high limit of main setting value. (If scaling high limit value is changed, this setting value will be changed as well.) Setting range: Main setting value low limit to scaling high limit value [Factory adjusted as 400°C] Main setting value low limit setting Setting value Mode to set the low limit of main setting value.
Operating Instructions Temperature Indicating Controller CF2S (5) Auxiliary function setting mode 2 In PV/SV display mode, if the key is pressed for approx. 3 seconds while the and keys are being pressed, Auxiliary function setting mode 2 can be selected. The setting value can be increased or decreased by pressing the and keys. key is pressed, the setting value is registered and the next setting item is selected. If the PV/SV display mode Actual Main setting temperature value + + for approx.
Operating Instructions Temperature Indicating Controller CF2S Main output ON/OFF action hysteresis setting Setting value Mode to set the ON/OFF action hysteresis of the main control output. Setting range: 0.1 to 100.0°C [Factory adjusted as 1.0°C] This display is indicated only when the ON/OFF action is designated in Control action designation (page10). Alarm 1 (A1) action Energized/Deenergized Selection Mode to select the action Energized or Deenergized for Alarm 1.
Operating Instructions Temperature Indicating Controller CF2S Alarm 1 (A1) action delayed timer setting Setting value Mode to set the action delayed timer for Alarm 1. Setting range: 0 to 9999s [Factory adjusted as 0s] Alarm output is turned on when the setting time has passed after the input gets into the alarm output range. This display is not indicated if the rotary switch is set to No. 0 or No. 7 in Alarm 1 action designation (page 12).
Operating Instructions Temperature Indicating Controller CF2S (6) Program mode In PV/SV display mode, if the key is pressed for approximately 3 seconds while key is being pressed, the Program mode can be selected. the The setting value can be increased or decreased by pressing the and keys. key is pressed, the setting value is registered and the next setting item is selected.
Operating Instructions Temperature Indicating Controller CF2S Step 1 Time setting Setting value Mode to set the Time for step 1. 00.00 Minute indication Hour indication For example, when setting 1 hour 58 minutes, ]. set as [ Setting range: 00.00 to 99.59 [Factory adjusted as 00.00] Step 2 Time setting Setting value Mode to set the Time for step 2. [The setting range and the factory adjusted value are the same as Step 1.] Step 3 Time setting Setting value Mode to set the Time for step 3.
Operating Instructions Temperature Indicating Controller CF2S (7) Control output OFF function A function to turn the control output OFF even if the power to the instrument is supplied. The function is used when required to halt the control action or when the CF2S is not being used in multiple controllers. Control output OFF function can be selected from any mode by pressing the key for approx. 1 second. The display is the same as when [Display selection when control output is off] is selected. (See page 26.
Operating Instructions Temperature Indicating Controller CF2S (8) Output manipulating value and Step rest time indication mode In the PV/SV display mode, press the key for approx. 3 seconds. The display will be changed to main setting mode in the process, however, keep pressing it until the Output manipulating value is displayed. key is pressed again, the mode reverts to the PV/SV display.
Operating Instructions Temperature Indicating Controller CF2S 6. Running After the controller has been mounted to the control panel and wiring is completed, it can be started in the following manner. 6.1 When using the CF2S as a Temperature controller (1) Turn the power supply to the CF2S ON. For approx.
Operating Instructions Temperature Indicating Controller CF2S (3) Turn the load circuit power ON. (4) Program control start If Automatic start is designated in the Program start Auto/Manual designation (page 10), it will switch to warm-up status for approx. 2 seconds after the power is turned on, and then will automatically start the program control from step 1. If Manual start is designated in Program start Auto/Manual designation (page 10), it will switch to warm-up status for approx.
Operating Instructions Temperature Indicating Controller CF2S 7.2 ON/OFF action Action Heating (reverse) action Cooling (direct) action Hysteresis Hysteresis Control action ON ON OFF OFF Main setting Current Output Non-contact voltage Relay contact Main setting 6 6 6 6 7 7 7 7 + 6 12Vdc 7 6 + 0Vdc 7 + 6 0Vdc 7 + 6 12Vdc 7 + 6 20mAdc 7 + 6 4mAdc 7 + 6 4mAdc 7 + 6 20mAdc 7 Lit Unlit Indicator [OUT] Green Unlit Lit : Either ON or OFF 7.
Operating Instructions Temperature Indicating Controller CF2S 7.
Operating Instructions Temperature Indicating Controller CF2S High/Low limits alarm with standby High/Low limit range alarm with standby Hysteresis Hysteresis Temperature alarm action ON ON OFF OFF Alarm setting Main setting Alarm Main setting setting Alarm setting Alarm setting 3 3 3 3 3 3 4 4 4 4 4 4 Lit Unlit Output Indication Lit Process high alarm Hysteresis Temperature alarm action Unlit Unlit Lit Process low alarm Hysteresis ON ON OFF OFF Alarm setting Alarm sett
Operating Instructions Temperature Indicating Controller CF2S 8. Control actions 8.1 Fuzzy self-tuning Fuzzy self-tuning is a function to perform a fine adjustment of PID values automatically. The stable control can be carried out even if the conditions of the process are changed due to things like change in types and rates of production. (1) When the control is rising, the controller performs the control by the PID values turned in advance.
Operating Instructions Temperature Indicating Controller CF2S 8.3 PID auto-tuning of this controller In order to decide each value of P, I, D and ARW automatically, this system makes the controlled object’s temperature fluctuate. (1) When the difference between setting value and processing temperature is large when the temperature rises. Fluctuation is applied at the temperature 1.5% of scaling span less than the setting value. 1.
Operating Instructions Temperature Indicating Controller CF2S 9. Other functions (1) Burnout alarm (Upscale) When the thermocouple or RTD is burnt out or the input value exceeds [Rated scale maximum value +1% of rated scale span], the control output is turned OFF (main output ]. low limit value for the current output type) and the PV display blinks [ With the input RTD Pt100 (°F), if the input value is greater than 999.
Operating Instructions Temperature Indicating Controller CF2S 10. Mounting to control panel 10.
Operating Instructions Temperature Indicating Controller CF2S 10.4 Mounting • When using the One-touch type mounting bracket [code: FT] Mounting panel thickness is 1 to 3mm. Mount one-touch mounting bracket 1 to the body in advance, and then insert the CF2S 2 from the front of the panel. If Soft front cover is used the mounting panel 2 thickness will be 1 to 2.5mm. 1 1 [Fig. 10.4-1] • When using the Screw type mounting bracket [code: FS] Mounting panel thickness is 1 to 15mm.
Operating Instructions Temperature Indicating Controller CF2S 11. 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 an Electric Shock which could cause severe injury or death. Moreover, the instrument must be grounded before the power supply to the instrument is turned on. 11.1 Terminal arrangement 24Vdc 1 6 2 7 1 100 to 240Vac or 24Vac 6 SM2 SM 2 7 3 8 A1/P.
Operating Instructions Temperature Indicating Controller CF2S Notice • Use a thermocouple and compensating lead wire according to the input specifications of this controller. • Use a 3-wire RTD system according to the input specifications of this controller. • This controller has neither built-in power switch nor fuse. Therefore, it is necessary to install them in the circuit near the external controller.
Operating Instructions Temperature Indicating Controller CF2S 11.2 Wiring connection examples 3-phase Alarm unit (for temperature alarm) Heater Thermocouple Electric furnace [Fig. 11.2-1] • To prevent the unit from harmful effects of unexpected level noise, it is recommended that a surge absorber be installed between the electromagnetic switch coils. Single phase Alarm unit (for temperature alarm) Electric furnace [Fig. 11.
Operating Instructions Temperature Indicating Controller CF2S 12. Specifications 12.1 Standard specifications Mounting method Setting Display PV display SV/MV/TIME display Indicating accuracy Thermocouple input RTD input Setting accuracy Input sampling period Input Thermocouple : Flush : Input system using membrane sheet key : Red LED display 4 digits, size: 8(H) x 4(W)mm : Green LED display 4 digits, size: 8(H) x 4(W)mm : Within ±0.
Operating Instructions Temperature Indicating Controller CF2S Alarm 1 (A1) output The alarm action point is set by ±deviation to main setting (except Process value alarm). [When the alarm action is set as energized] 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 CF2S Supply voltage Allowable voltage fluctuation Ambient temperature Ambient humidity Power consumption Circuit insulation configuration 1 2 Isolated Power source 5 Control output (OUT) CPU 3 4 : 100 to 240V AC 50/60Hz, 24V AC/DC 50/60Hz : 100 to 240V AC : 85 to 264V AC 24V AC/DC : 20 to 28V AC/DC : 0 to 50°C (32 to 122°F) : 35 to 85%RH (non-condensing) : Approx.
Operating Instructions Temperature Indicating Controller CF2S 12.2 Optional specifications Alarm 2 output [2AS] The alarm action point is set by ±deviation to main setting (except Process value alarm). [When the alarm action is set as energized] 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 CF2S Setting value memory number external selection [SM2] Selects the setting value memory number (under mentioned data as one file) by external terminal. (Main setting value, PID values, Alarm 1 setting value, Main output high limit value, Main output low limit value) The options [Code: 2AS, 2AR, 2AL, CR2 or CR5] cannot be applied in combination with this option.
Operating Instructions Temperature Indicating Controller CF2S 13. Troubleshooting If any malfunctions occur, refer to the following items after checking the power supply on. 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 an Electric Shock which could cause severe injury or death. Moreover, the instrument must be grounded before the power supply to the instrument is turned on.
Operating Instructions Temperature Indicating Controller CF2S Phenomena If it is impossible to set various values. If the value does not change by the , keys. If the setting indication does not change in the rated scale range even if the , keys are pressed, and it is impossible to set. If it does not start even if the key is pressed in the Program mode. Presumed cause and solution • Setting value lock (mode 1 or 2) is designated. Release the lock designation.
Operating Instructions Temperature Indicating Controller CF2S 14. Character table Character Item Initial value 0°C Data Initial value 1 - - - -: Cancel 2.5% 200s 50s R/M: 30s S/M: 3s 0.0°C 0°C 0°C 0 minutes 0°C Data Initial value - - - -: Unlock 400°C 0°C 0.
Operating Instructions Temperature Indicating Controller CF2S Character Item Program control change Step 1 time setting Step 2 time setting Step 3 time setting Step 4 time setting Step 5 time setting Step 6 time setting Step 7 time setting Initial value Data Fixed value control 00.00 00.00 00.00 00.00 00.00 00.00 00.
