Panasonic KT2 User Manual Download

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TEMPERATURE CONTROLLER

KT2

INSTRUCTION MANUAL

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Summary of Contents for KT2

Page 1: ...TEMPERATURE CONTROLLER KT2 INSTRUCTION MANUAL ...

Page 2: ...e that the contents of this instruction manual are correct but if there are any doubts mistakes or questions please inform our sales department This instrument is designed to be installed in a control panel If it is not measures must be taken to ensure that power terminals or other high voltage sections cannot be touched Any unauthorized transfer or copying of this document in part or in whole is ...

Page 3: ...h an insulation sleeve in which an M3 screw fits when wiring the KT2 Tighten the terminal screw with the specified torque If excessive force is applied to the screw when tightening the terminal screw or case may be damaged Do not apply a commercial power source to the sensor which is connected to the input terminal nor allow the power source to come into contact with the sensor This controller doe...

Page 4: ...n 19 7 3 Control output OFF function 19 7 4 Auto tuning AT Perform Cancel 19 8 Operation flowchart 20 9 PID auto tuning 22 10 Action explanation 10 1 OUT1 Heating action 23 10 2 OUT1 Heating ON OFF action 23 10 3 A1 A2 action 24 10 4 Heating Cooling control action Heating Cooling control option 24 10 5 Heating Cooling control action When setting dead band Heating Cooling control option 25 10 6 Hea...

Page 5: ...item are indicated alternately 2 MEMO STEP display green Indicates memory number during fixed value control Indicates step number during program control 3 PV indicator red Lights when the PV Process variable is indicated 4 SV indicator green Lights when SV main set value is indicated 5 AT indicator yellow Flashes during AT auto tuning 6 T R indicator yellow Flashes during Serial communication Lit ...

Page 6: ...lectromagnetic switches or cables through which large current is flowing No water oil or chemicals or where the vapors of these substances can come into contact with the controller 3 2 External dimensions Unit mm When terminal cover is added Fig 3 2 1 3 3 Panel cutout Unit mm Fig 3 3 1 3 4 Mounting Mount the controller vertically so that dust and water do not enter fulfilling the Dust proof Drip p...

Page 7: ...D which corresponds to the input specification of this controller This controller does not have a built in power switch circuit breaker or fuse Therefore it is necessary to install them in the circuit near the external controller Recommended fuse Time lag fuse rated voltage 250V AC rated current 2A When using a 24V DC for the power source do not confuse polarity When using a relay contact output t...

Page 8: ...tions This is an initial setting Default values are set as follows Input K 200 to 1370 Alarm 1 A1 No alarm action Alarm 2 A2 No alarm action Reverse Heating action If the users specification is the same as the default value of the KT2 initial setting is not necessary Proceed to Section 6 1 Main setting mode Turn the power supply to the instrument on For approx 3 seconds after the power is turned o...

Page 9: ...d the input circuit may break K J R S B E T N PL C W Re5 26 200 to 1370 199 9 to 400 0 200 to 1000 0 to 1760 0 to 1760 0 to 1820 200 to 800 199 9 to 400 0 200 to 1300 0 to 1390 0 to 2315 Pt100 JPt100 Pt100 JPt100 199 9 to 850 0 199 9 to 500 0 200 to 850 200 to 500 K J R S B E T N PL C W Re5 26 320 to 2500 199 9 to 750 0 320 to 1800 0 to 3200 0 to 3200 0 to 3300 320 to 1500 199 9 to 750 0 320 to 23...

Page 10: ...minals Setting range 5 to OUT1 Heating high limit value Setting less than 0 is effective to DC current output type OUT1 Heating ON OFF action hysteresis setting 1 0 Sets ON OFF action hysteresis for OUT1 Heating Available only when OUT1 Heating is ON OFF action Setting range 0 1 to 100 0 or 1 to 1000 EV1 output selection A1 output Selects a function for EV1 output terminals Not available if Heatin...

Page 11: ...able if No alarm action Timer function or Pattern end output is selected during A2 type selection Setting range 0 1 to 100 0 or 1 to 1000 A1 action delayed timer setting 0 seconds Sets action delayed timer for A1 When setting time has elapsed after the input enters the alarm output range the alarm is activated Not available if No alarm action Timer function or Pattern end output is selected during...

Page 12: ...e for DC input Setting range 0 to 50 0 to 100 or 0 0 to 50 0 0 0 to100 0 Setting item not used This item is indicated when Serial communication option is added However this cannot be used OUT OFF key function selection Control output OUT OFF function Selects whether OUT OFF key is used for control output OUT OFF function Fixed value control or for program control RUN STOP function Control output O...

Page 13: ... external contact and after the set delay time has passed the selected event output is turned on Not available if Serial communication option is applied SV1 SV2 external selection function OUT OFF RUN STOP external selection function Timer function Output status selection when input abnormal Output OFF Selects the output status of OUT1 and EV1 OUT2 when DC input is overscale or underscale See Inpu...

Page 14: ...selection Setting range 00 00 to 99 59 SV2 step 2 SV setting 0 Sets SV2 or step 2 SV Available when SV1 SV2 external selection function is selected during DI digital input function selection or when program control function is selected during OUT OFF key function selection Scaling low limit value to Scaling high limit value Step 2 time setting 00 00 Sets step 2 time Available only when program con...

Page 15: ...00 to 99 59 Step 7 SV setting 0 Sets step 7 SV Available only when program control function is selected during OUT OFF key function selection Scaling low limit value to Scaling high limit value Step 7 time setting 00 00 Sets step 7 time Available only when program control function is selected during OUT OFF key function selection Setting range 00 00 to 99 59 Step 8 SV setting 0 Sets step 8 SV Avai...

Page 16: ...les the function PI action Not available if OUT1 Heating is ON OFF action Setting range 0 to 300 seconds ARW setting 50 Sets the ARW anti reset windup Available only for PID action Setting range 0 to 100 OUT1 Heating proportional cycle setting Sets OUT1 Heating proportional cycle Sets the proportional cycle Not available for DC current output type or if OUT1 Heating is ON OFF action Relay contact ...

Page 17: ...ep SV and step time can be changed during program control Other setting items cannot be changed Lock 3 All set values except input type and Controller Converter function can be changed However changed values revert to their previous value after the power is turned off because they are not saved in the non volatile memory If the value set by the communication function is the same as the value befor...

Page 18: ...indicated When control output OFF function is working The MEMO STEP display is turned off and the PV SV display indicates 2 Input each set value Input each set value referring to 6 Setup 3 Turn the load circuit power ON The controller starts as follows depending on the setting Fixed value control Control starts so as to keep the control target at the SV Program control Program control run To perfo...

Page 19: ...e unused instrument of the plural units OFF even if the power to the instrument is supplied To turn the control output OFF press the key for approx 1 second in the PV SV display mode PV SV display mode Press the key for approx 1 second For approx 1sec Control output OFF The MEMO STEP display is switched off and the PV SV display indicates Once the control output OFF function is enabled For approx ...

Page 20: ... elapsed the alarm is activated 4 Select if the alarm output is held or not during Alarm HOLD function selection common to A1 A2 5 Set A1 action point during A1 value setting Note If an alarm type is changed the alarm value becomes 0 0 0 Therefore it is necessary to reset it Set value lock PV SV Selection Make a selection with the keys If Lock 1 or Lock 2 is selected AT does not work Be sure to se...

Page 21: ...W Re5 26 0 to 2315 K 320 to 2500 199 9 to 750 0 J 320 to 1800 R 0 to 3200 S 0 to 3200 B 0 to 3300 E 320 to 1500 T 199 9 to 750 0 N 320 to 2300 PL 0 to 2500 C W Re5 26 0 to 4200 Pt100 199 9 to 850 0 JPt100 199 9 to 500 0 Pt100 200 to 850 JPt100 200 to 500 Pt100 199 9 to 999 9 JPt100 199 9 to 900 0 Pt100 300 to 1500 JPt100 300 to 900 4 to 20mA DC 1999 to 9999 0 to 20mA DC 1999 to 9999 0 to 1V DC 199...

Page 22: ... temperature as the temperature is rising When AT bias is set to 20 the AT process will fluctuate at the temperature 20 lower than the SV 1 Calculating PID constant 2 PID constant calculated 3 Controlled by the PID constant set by auto tuning 4 AT bias value Fig 9 1 B In the case of a stable control The AT process will fluctuate around the SV 1 Calculating PID constant 2 PID constant calculated 3 ...

Page 23: ...ling Direct action Control action Cycle action is performed according to deviation Relay contact output Non contact voltage output Changes continuously according to deviation DC current output Indicator OUT Green Lit Unlit ON OFF SV setting Proportional band ON OFF 0V DC 0 12V DC 12V DC 20mA DC 20 to 4mA DC 4 to 20mA DC Proportional band Lit 0V DC 12V DC 12 0V DC 20mA DC 4mA DC Cycle action is per...

Page 24: ...1 hysteresis A1 hysteresis A1 hysteresis A1 hysteresis A1 hysteresis A1 set point A1 set point SV setting A1 set point SV setting SV setting A1 set point A1 set point SV setting SV setting A1 set point A1 set point A1 set point SV setting A1 set point A1 set point A1 set point A1 set point A1 set point A1 set point A1 set point Control action Heating P band Cooling P band EV1 Yellow Heaing action ...

Page 25: ... to deviation Cycle action is performed according to deviation Lit Unlit Lit Unlit OUT Green EV1 Yellow Indicator Indicator 9 8 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 9 8 8 9 12V DC 12 0V DC 0V DC 20mA DC 20 to 4mA DC 4mA DC Heating P band Cooling P band Cycle action is performed according to deviation Overlap band OFF ON OFF ON Control action SV setting Heating action Cooling action 4 3 Relay contac...

Page 26: ...ontact voltage For SSR drive 12 2 0V DC Max 40mA DC short circuit protected DC current 4 to 20mA DC Load resistance Max 550 Event output 1 EV1 Event output 2 EV2 One type can be selected from 10 alarm types including No alarm action Timer function and Pattern end output Alarm setting range See Table 6 2 1 on page 17 Action ON OFF action Hysteresis TC RTD input 0 1 to 100 0 DC current voltage input...

Page 27: ... type Input output response is approx 1 second SV1 main set value Scaling low limit value OUT1 Heating integral time 0 OUT1 Heating derivative time 0 OUT1 Heating proportional band 100 0 Manual reset 0 0 A1 value 0 A2 value 0 Direct Reverse action Direct action Attached functions Set value lock Locks set values to prevent setting errors Sensor correction The PV is corrected when the temperatures i...

Page 28: ... 1500 318 to 1600 318 to 1600 199 9 to 500 0 199 9 to 550 0 206 0 to 550 0 200 to 500 207 to 550 207 to 550 199 9 to 900 0 199 9 to 999 9 211 0 to 999 9 JPt100 300 to 900 312 to 1000 312 to 1000 Indication range and Control range for thermocouple inputs other than the above Input range low limit value 50 100 to Input range high limit value 50 100 DC input Indication range Scaling low limit value S...

Page 29: ...ion protocol Modbus ASCII Modbus ASCII Modbus RTU Selectable by keypad Code form ASCII Modbus ASCII Binary Modbus RTU Error detection Parity LRC Modbus ASCII CRC Modbus RTU Error correction Command request repeat system Data format Start bit 1 bit Data bit 7 bits Modbus ASCII 8 bits Modbus RTU Parity Even Modbus ASCII No parity Modbus RTU Stop bit 1 bit Automatically selected upon selecting the co...

Page 30: ...he input to the input terminals of the instrument is 1mA DC and if a value corresponding to 1mA DC is indicated the instrument is likely to be operating normally however the signal wire may be disconnected Check whether the input lead wire terminals for DC voltage 0 to 5V DC 0 to 10V DC or DC current 0 to 20mA DC are securely connected to the instrument input terminals The indication of the PV SV ...

Page 31: ...as been selected during DI Digital input function selection Select the Timer function after checking If Serial communication option is applied DI Digital input function selection is not available For all other malfunctions please contact our main office or dealers 13 Character table Photocopiable material Main setting mode Indication Setting item Default value Data SV1 step 1 SV 0 Step 1 time 00 0...

Page 32: ...ction delayed timer 0 seconds A2 action delayed timer 0 seconds Alarm HOLD function Alarm Not Holding Delay action type ON delay Delay time 0 seconds Direct Cooling Reverse Heating control Reverse Heating AT bias 20 Setting item not used OUT OFF key function Control output OUT OFF Step time unit Hour Minute DI Digital input function SV1 SV2 external selection Output status selection when input abn...

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