Panasonic KT4H User Manual Download Page 53 | Manualshive

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12.6.3 Communication command and data item table

Modbus

function code

Data item

Data

03H

0000H

Use in the system

(Never use function code 06H. If

function code 06H is sent to the

KT4H/B, the KT4H/B may not be
operable.)

03H/06H

0001H

SV

Set value, Decimal point ignored

03H/06H

0003H

Auto-tuning/Auto-reset

0000H: Cancel
0001H: Perform

03H/06H

0004H

OUT1 proportional band

Set value, Decimal point ignored

03H/06H

0005H

OUT2 proportional band

Set value, Decimal point ignored

03H/06H

0006H

Integral time

Set value

03H/06H

0007H

Derivative time

Set value

03H/06H

0008H

OUT1 proportional cycle

Set value

03H/06H

0009H

OUT2 proportional cycle

Set value

03H/06H

000BH

Alarm 1 value

Set value, Decimal point ignored

03H/06H

000CH

Alarm 2 value

Set value, Decimal point ignored

03H/06H

000FH

Heater burnout alarm value

Set value, Decimal point ignored

03H/06H

0012H

Set value lock

0000H: Unlock
0001H: Lock 1
0002H: Lock 2
0003H: Lock 3

03H/06H

0015H

Sensor correction

Set value, Decimal point ignored

03H/06H

0016H

Overlap band/Dead band

Set value

03H/06H

0018H

Scaling high limit

Set value, Decimal point ignored

03H/06H

0019H

Scaling low limit

Set value, Decimal point ignored

03H/06H

001AH

Decimal point place

0000H: xxxx
0001H: xxx.x
0002H: xx.xx
0003H: x.xxx

03H/06H

001BH

PV filter time constant

Set value, Decimal point ignored

03H/06H

001CH

OUT1 high limit

Set value

03H/06H

001DH

OUT1 low limit

Set value

03H/06H

001EH

OUT1 ON/OFF action hysteresis

Set value, Decimal point ignored

03H/06H

001FH

OUT2 action mode

0000H: Air cooling
0001H: Oil cooling
0002H: Water cooling

03H/06H

0020H

OUT2 high limit

Set value

03H/06H

0021H

OUT2 low limit

Set value

03H/06H

0022H

OUT2 ON/OFF action hysteresis

Set value, Decimal point ignored

03H/06H

0023H

Alarm 1 type

0000H: No alarm action
0001H: High limit alarm
0002H: Low limit alarm
0003H: High/Low limits alarm
0004H: High/Low limit range alarm
0005H: Process high alarm
0006H: Process low alarm
0007H: High limit alarm with standby
0008H: Low limit alarm with standby
0009H: High/Low limits with standby

03H/06H

0024H

Alarm 2 type

The same as the Alarm 1 type

03H/06H

0025H

Alarm 1 hysteresis

Set value, Decimal point ignored

03H/06H

0026H

Alarm 2 hysteresis

Set value, Decimal point ignored

03H/06H

0029H

Alarm 1 action delayed timer

Set value

03H/06H

002AH

Alarm 2 action delayed timer

Set value

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Summary of Contents for KT4H

Page 1: ......

Page 2: ...D control 25 8 3 How to use the alarm output 25 8 4 Changing PV color 26 9 Auto reset and ARW 9 1 Auto reset 27 9 2 ARW Anti reset windup 27 10 Auto tuning 28 11 Action explanation 11 1 OUT1 PID PI PD P actions 29 11 2 OUT1 ON OFF action 29 11 3 Heater burnout alarm action 30 11 4 Alarm action 30 11 5 OUT2 Heating Cooling control action Reverse Heating action 31 11 6 OUT2 Heating Cooling control a...

Page 3: ...inked to serious results so be sure to follow the directions for usage Warning Procedures which may lead to dangerous conditions and cause death or serious injury if not carried out properly Caution Procedures which may lead to dangerous conditions and cause superficial to medium injury or physical damage or may degrade or damage the product if not carried out properly Warning To prevent an electr...

Page 4: ...y be damaged This controller does not have a built in power switch circuit breaker or fuse It is necessary to install them near the controller Recommended fuse Time lag fuse rated voltage 250V AC rated current 2A For a 24V AC DC power source do not confuse polarity when using direct current DC Do not apply a commercial power source to the sensor which is connected to the input terminal nor allow t...

Page 5: ...Not available 1 Relay contact 2 Non contact voltage for SSR drive 7 Heater burnout alarm 0 Not available 3 Single phase 20A 4 Single phase 50A 5 3 phase 20A 6 3 phase 50A Heater burnout alarm is not available for the DC current output type If Heating Cooling control is selected Heater burnout alarm cannot be added 8 Serial communication Contact input Blank Not available 1 Serial communication 2 Co...

Page 6: ...ected 2 MEMO display Indicates the set value memory number 3 PV display Indicates the PV process variable 4 SV display Indicates the SV set value Operations 5 Mode key Selects the setting mode and registers the set value 6 OUT OFF key The control output ON OFF or Auto Manual control can be switched 7 Increase key Increases the numeric value 8 Decrease key Decreases the numeric value 9 Tool connect...

Page 7: ... B Fig 3 1 1 3 2 Tool cable AKT4H820 external dimensions Unit mm Fig 3 2 1 3 3 CT current transformer external dimensions Unit mm AKT4815 for 20A AKT4816 for 50A Fig 3 3 1 Mounting frame M3 screw Rubber gasket Terminal cover sold separately ø2 5 Plug 3 Pole type USB Plug ...

Page 8: ... external dimensions Unit mm Fig 3 4 1 Note when using a Terminal cover AKT4H801 When using a Terminal cover AKT4H801 pass terminal wires numbered 7 to 12 into the holes of the terminal cover See Fig 3 4 2 Fig 3 4 2 Terminal cover ...

Page 9: ...pecification IP66 Mountable panel thickness 1 to 5mm 1 Insert the controller from the front side of the panel Fig 4 2 1 2 Insert the mounting frame until the frame tips come into contact with the panel and fasten with screws Tighten screws with one rotation upon the screw tips touching the panel The torque is approximately 0 05 to 0 06 N m Fig 4 2 2 How to remove the mounting frame Fig 4 2 3 1 Tur...

Page 10: ...l Use a solderless terminal with an insulation sleeve in which an M3 screw fits as shown below The torque is approximately 0 63N m Solderless terminal Manufacturer Model Tightening torque Nichifu Terminal Industries CO LTD TMEV1 25Y 3 Y type Japan Solderless Terminal MFG CO LTD VD1 25 B3A Nichifu Terminal Industries CO LTD TMEV1 25 3 Round type Japan Solderless Terminal MFG CO LTD V1 25 3 0 63N m ...

Page 11: ...nction setting mode Select the lock function communication conditions serial communication option etc If the users specifications are the same as the default value of the KT4H B it is not necessary to set Power ON Run 6 2 Setup Setup should occur before using this controller to set the Input type Alarm action Control action etc according to the users conditions Default values Input K 200 to 1370 A...

Page 12: ...e time 9 Communication speed 21 PV filter time constant 29 Alarm 2 action delayed timer 45 ARW 10 Data bit Parity 22 OUT1 high limit 30 SV rise rate 46 OUT1 proportional cycle 11 Stop bit 23 OUT1 low limit 31 SV fall rate 47 OUT2 proportional cycle 12 Communication response time 24 OUT1 ON OFF action hysteresis 32 Direct Reverse control action 48 Alarm 1 value 13 OUT2 action mode 33 AT bias 49 Ala...

Page 13: ...n option is applied or if OUT OFF external selection 2 is selected during Contact input function selection Setting range Scaling low limit to Scaling high limit SV3 setting 0 3 Sets SV3 Not available if the Contact input option is not applied if Serial communication option is applied or if OUT OFF external selection 1 or 2 is selected during Contact input function selection Setting range Scaling l...

Page 14: ...N OFF action when set to 0 0 Not available if Heating Cooling control option is not added or if OUT1 is ON OFF action Setting range 0 0 to 10 0 times multiplying factor to OUT1 proportional band Integral time setting 200 seconds 8 Sets integral time for OUT1 Off when set to 0 Not available if OUT1 is ON OFF action Auto reset can be performed when PD is control action I 0 Setting range 0 to 1000 se...

Page 15: ... phase or 3 phase is added Rated current 20A 0 0 to 20 0A 50A 0 0 to 50 0A Heater burnout alarm 2 value setting 0 0A 16 XX X alternating display Sets the heater current value for Heater burnout alarm 2 CT2 current value is indicated on the PV display When OUT1 is ON the CT2 current value is updated When OUT1 is OFF the KT4H B memorizes the previous value when OUT1 was ON Setting to 0 0 disables th...

Page 16: ...atile memory Sensor correction setting 0 0 18 Sets the correction value for the sensor This corrects the input value from the sensor When a sensor cannot be set at the exact location where control is desired the sensor measured temperature may deviate from the temperature in the controlled location When controlling with plural controllers sometimes the measured temperatures input value do not conc...

Page 17: ...rity 7 bits No parity 8 bits Even parity 7 bits Even parity 8 bits Odd parity 7 bits Odd parity Stop bit selection 1 23 Selects the stop bit Not available if Serial communication option is not added or if Contact input option is added 1 2 Communication response time setting 5ms 24 Sets the minimum response time of communication Not available if Serial communication option is not added or if Contac...

Page 18: ... S 0 to 1760 S 0 to 3200 B 0 to 1820 B 0 to 3300 E 200 to 800 E 320 to 1500 T 200 0 to 400 0 T 320 0 to 750 0 N 200 to 1300 N 320 to 2300 PL 0 to 1390 PL 0 to 2500 C W Re5 26 0 to 2315 C W Re5 26 0 to 4200 Pt100 200 0 to 850 0 Pt100 320 0 to 1500 0 JPt100 200 0 to 500 0 JPt100 320 0 to 900 0 Pt100 200 to 850 Pt100 320 to 1500 JPt100 200 to 500 JPt100 320 to 900 4 to 20mA DC 2000 to 10000 0 to 20mA...

Page 19: ...g Not available if the Heating Cooling control option is not added or if OUT2 is ON OFF action Air cooling linear characteristic Oil cooling 1 5th power of the linear characteristic Water cooling 2nd power of the linear characteristic Fig 6 8 1 OUT2 high limit setting 100 34 Sets the high limit value of OUT2 Not available if Heating Cooling control option is not added or if OUT2 is ON OFF action S...

Page 20: ...ion is selected during Alarm 2 type selection Selection items are the same as those of Alarm 1 Energized Deenergized selection Alarm 1 hysteresis setting 1 0 42 Sets hysteresis for Alarm 1 Not available if No alarm action is selected during Alarm 1 type selection Setting range 0 1 to 100 0 DC voltage current input 1 to 1000 The placement of the decimal point follows the selection Alarm 2 hysteresi...

Page 21: ... input terminals DI2 can be used for a Set value memory external selection or for an OUT OFF external selection Refer to Contact input function on p 22 If Auto Manual function is selected during OUT OFF key function selection externally Auto Manual control can be switched Available only when the Contact input option is added Set value memory external selection OUT OFF external selection 1 SV and S...

Page 22: ... conductive OFF while EVT1 or EVT2 indicator is not lit When Alarm Deenergized is selected the alarm output between terminals 3 4 or 5 6 is not conductive OFF while EVT1 or EVT2 indicator is lit The alarm output is conductive ON while EVT1 or EVT2 indicator is not lit This function is not available for the Heater burnout alarm optional High limit alarm when Energized is set High limit alarm when D...

Page 23: ...lay PV display SV display K J R S B E T N PL C W Re5 26 Pt100 JPt100 4 to 20mA DC 0 to 20mA DC 0 to 1V DC 0 to 5V DC 1 to 5V DC 0 to 10V DC Scaling high limit 2 Input each set value Input each set value Refer to Chapter 6 Settings 3 Turn the load circuit power ON Control action starts so as to keep the control target at the SV set value 7 2 Control output OFF function Control output OUT OFF functi...

Page 24: ...erform Cancel Auto tuning Auto reset Perform Cancel can be conducted in 5 Auto tuning Auto reset selection in the Sub setting mode How to perform Auto tuning Auto reset 1 Press key while pressing key in the PV SV display mode The unit proceeds to the Sub setting mode and 5 Auto tuning Auto reset selection item appears 2 Select Auto tuning Auto reset Perform with key and press key Auto tuning Auto ...

Page 25: ... Therefore when the processing temperature comes to a balanced position near the set value and a constant temperature is maintained the most suitable value can be selected by gradually narrowing the proportional band while observing the control results I Integral time Integral action is used to eliminate offset When the integral time is shortened the returning speed to the set point is accelerated...

Page 26: ...m 1 or Alarm 2 is ON Orange Red When alarm OFF Orange When Alarm 1 or Alarm 2 is ON the PV color turns from orange to red PV color changes continuously Orange Green Red PV color changes depending on color range setting PV is lower than SV PV color range Orange PV is within SV PV color range Green PV is higher than SV PV color range Red Hys Set point of PV color range Fig 8 4 1 PV color changes con...

Page 27: ...ever when the OUT1 proportional band P is set to 0 or 0 0 the corrected value is cleared Fig 9 1 1 9 2 ARW Anti reset windup When PID control action is rising overshoot may occur due to excessive integral I action ARW is the function for reducing the overshoot on start up The smaller the ARW value the fewer cases of overshoot undershoot caused by the integral action at the point where the PV reach...

Page 28: ... 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 10 1 2 When the control is stable or when control temperature is within 20 of the SV The AT process will fluctuate around the SV 1 Calculating PID constant 2 PID constant calculated 3 Controlled...

Page 29: ...ntact output Non contact voltage output Changes continuously according to deviation DC current output Indicator OUT1 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 performed according to deviation Cycle action is performed according to deviation Cycle actio...

Page 30: ...read A2 for A1 EVT1 indicator is for Alarm 1 and EVT2 indicator is for Alarm 2 Terminals 3 4 are for the user s own Alarm 1 indicator which correlates directly with the EVT1 indicator Terminals 5 6 are for the user s own Alarm 2 or Heater burnout alarm output indicator which correlates directly with the EVT2 indicator Standby functions in this section Alarm action ON OFF Setting Load current Large...

Page 31: ...ing control action Represents Cooling control action 11 6 OUT2 Heating Cooling control action Reverse Heating action When setting dead band Heating Cooling control can be used by adding Heating Cooling control option Heating proportional band can be set during 6 OUT1 proportional band setting and cooling proportional band can be set during 7 OUT2 proportional band setting in the Sub setting mode p...

Page 32: ... 48 Direct Reverse control can be set in the Setup mode p 21 Acts ON lit or OFF unlit Represents Heating control action Represents Cooling control action 11 8 OUT2 Heating Cooling control action Direct Cooling action Heating Cooling control can be used by adding Heating Cooling control option Heating proportional band can be set during 6 OUT1 proportional band setting and cooling proportional band...

Page 33: ...le action is performed according to deviation Cycle action is performed according to deviation Cooling action Heating action Cooling P band Heating P band Overlap band SV setting 4 to 11 9 OUT2 Heating Cooling control action Direct Cooling action When setting dead band Heating Cooling control can be used by adding Heating Cooling control option Heating proportional band can be set during 6 OUT1 pr...

Page 34: ...y the preset SV rise rate or SV fall rate When SV is adjusted while SV is rising or falling SV at the given time becomes a starting point and approaches the new SV When power is turned on from PV the SV approaches the new SV SV can be changed with keypad operation Serial communication function and Set value memory external selection function Not available when set to 0 Min 0 Min e g When changing ...

Page 35: ...tion is cancelled by the key SV changes as follows in relation to PV e g SV 200 SV rise rate 60 Min SV fall rate 30 Min When SV PV Fig 11 11 4 When SV PV Fig 11 11 5 In the case of SV PV when power is turned on or when control output OFF function is cancelled by the key the SV rise rate setting works and SV rises from 25 to 200 by the rate of 1 sec In the case of SV PV when power is turned on or w...

Page 36: ...communication cables However do not send a command from the master side 12 1 System configuration Fig 12 1 1 12 2 Wiring Wiring example using a communication converter When using D sub 9 pin connector Fig 12 2 1 When using D sub 25 pin connector Fig 12 2 2 Host computer KT4H B No 1 KT4H B No 2 KT4H B No 31 Communication converter RS 232C RS 485 Host computer Shielded wire D sub 9 pin connector KT4...

Page 37: ...t will run through the shielded wire and this may cause noise Be sure to ground the FG terminal Terminator Terminal resistor Do not connect a terminator with the communication line because each KT4H B has built in pull up and pull down resistors instead of a terminator Even though a terminator is not necessary for communication between the PLC and KT4H B if a terminator is required due to signal r...

Page 38: ...ion Select the communication protocol Modbus ASCII mode Default Modbus RTU mode MEWTOCOL Slave 4 20 Instrument number setting Set the instrument number of the controller individually when communicating by connecting plural instruments 1 to 99 Default 1 5 21 Communication speed selection Set the communication speed equal to that of the host computer 2400bps 4800bps 9600bps Default 19200bps 6 22 Dat...

Page 39: ...RC 16 discrepancy Modbus RTU mode Communication timing of the RS 485 Master side Notice on programming Set the program so that the master can disconnect the transmitter from the communication line within a 1 character transmission period after sending the command in preparation for reception of the response from the slave To avoid the collision of transmissions between the master and the slave sen...

Page 40: ...imal Top data item Decimal BCC CR 0DH KT4H B cannot read plural word data Make sure that both top data items are the same Acknowledgement 1 2 1 2 4 2 1 25H Address Decimal 24H Command code RD Reading top data Hexadecimal BCC CR 0DH 161 160 163 162 Low High Negative acknowledgement 1 2 1 2 2 1 25H Address Decimal 21H Error code Hexadecimal BCC CR 0DH 2 WD Word data writing command protocol configur...

Page 41: ...e used A negative number is represented with 2 s complement BCC Block check code 2 character data to detect communication errors Longitudinal parity Exclusive OR XOR from header to the last character is calculated and represented with ASCII codes When is inserted instead of BCC transmission is possible without BCC However a BCC attached response will be returned Terminator Represents the end of co...

Page 42: ...ode D Top data item Decimal 00102 Top data item Decimal 00102 BCC CR 25H 30H 31H 23H 52H 44H 44H 30H 30H 31H 30H 32H 30H 30H 31H 30H 32H 35H 35H 0DH Response command from the slave in normal status When SV 600 0258H Address Decimal Command code RD Reading data 0258H BCC CR 25H 30H 31H 24H 52H 44H 35H 38H 30H 32H 31H 39H 0DH 3 Setting Address 1 SV When setting SV to 600 0258H WD Word data writing c...

Page 43: ...it Set value Decimal point ignored RD WD DT00150 Scaling low limit Set value Decimal point ignored RD WD DT00152 Decimal point place 0000H xxxx 0001H xxx x 0002H xx xx 0003H x xxx RD WD DT00154 PV filter time constant Set value Decimal point ignored RD WD DT00156 OUT1 high limit Set value RD WD DT00158 OUT1 low limit Set value RD WD DT00160 OUT1 ON OFF action hysteresis Set value Decimal point ign...

Page 44: ...o 1300 0009H PL 0 to 1390 000AH C W Re5 26 0 to 2315 000BH Pt100 200 0 to 850 0 000CH JPt100 200 0 to 500 0 000DH Pt100 200 to 850 000EH JPt100 200 to 500 000FH K 320 to 2500 0010H K 320 0 to 750 0 0011H J 320 to 1800 0012H R 0 to 3200 0013H S 0 to 3200 0014H B 0 to 3300 0015H E 320 to 1500 0016H T 320 0 to 750 0 0017H N 320 to 2300 0018H PL 0 to 2500 0019H C W Re5 26 0 to 4200 001AH Pt100 320 0 t...

Page 45: ...iable Decimal point ignored RD DT00358 OUT1 MV Decimal point ignored RD DT00360 OUT2 MV Decimal point ignored RD DT00362 SV When SV rises or falls Decimal point ignored RD DT00366 Status flag 0000 0000 0000 0000 20 OUT1 0 OFF 1 ON DC current output type Not fixed 21 OUT2 0 OFF 1 ON 22 Alarm 1 output 0 OFF 1 ON 23 Alarm 2 output 0 OFF 1 ON 24 Not used always 0 25 Not used always 0 26 Heater burnout...

Page 46: ... applied setting the items for the options is possible using the setting command However they will not function The instrument numbers and communication speed of the slave cannot be set by communication function When sending a command by Global address FF the same command is sent to all the slaves connected However the response is not returned The memory can store up to 1 000 000 one million entri...

Page 47: ...code is used to discern whether the response is normal acknowledgement or if any error negative acknowledgement is occurred when the slave returns the response message to the master When acknowledgement is returned the slave simply returns the original function code When negative acknowledgement is returned the MSB of the original function code is set as 1 for the response For example when the mas...

Page 48: ...hole message to ASCII characters 3 Message example of ASCII mode 1 Reading Address 1 PV A request message from the master The number of data means the data item to be read and it is fixed as 1 30H 30H 30H 31H Header 3AH Slave address 30H 31H Function code 30H 33H Data item 0080H 30H 30H 38H 30H Number of data 0001H 30H 30H 30H 31H Error check LRC 37H 42H Delimiter CR LF 0DH 0AH Response message fr...

Page 49: ...tion code 02H 30H 32H Non existent data address is returned Header 3AH Slave address 30H 31H Function code 38H 33H Exception code 02H 30H 32H Error check LRC 37H 41H Delimiter CR LF 0DH 0AH 3 Setting Address 1 SV When setting SV to 600 0258H A request message from the master Header 3AH Slave address 30H 31H Function code 30H 36H Data item 0001H 30H 30H 30H 31H Number of data 0258H 30H 32H 35H 38H ...

Page 50: ...any error negative acknowledgement has occurred when the slave returns the response message to the master When acknowledgement is returned the slave simply returns the original function code When negative acknowledgement is returned the MSB of the original function code is set as 1 for the response For example when the master sends request message setting 10H to the function code by mistake slave ...

Page 51: ...ue A001H This is assumed as X If a carry is not generated go to step 5 5 Repeat steps 3 and 4 until shifting 8 times 6 XOR is calculated with the next data and X This is assumed as X 7 Repeat steps 3 to 5 8 Repeat steps 3 to 5 up to the last data 9 Set X as CRC 16 to the end of message in sequence from low order to high order 3 Message example of RTU mode 1 Reading Address 1 PV A request message f...

Page 52: ...83H The exception code 02H Non existent data address is returned 3 5 idle characters Slave address 01H Function code 83H Exception code 02H Error check CRC 16 C0F1H 3 5 idle characters 3 Setting Address 1 SV When setting SV to 600 0258H A request message from the master 3 5 idle characters Slave address 01H Function code 06H Data item 0001H Number of data 0258H Error check CRC 16 D890H 3 5 idle ch...

Page 53: ...gh limit Set value Decimal point ignored 03H 06H 0019H Scaling low limit Set value Decimal point ignored 03H 06H 001AH Decimal point place 0000H xxxx 0001H xxx x 0002H xx xx 0003H x xxx 03H 06H 001BH PV filter time constant Set value Decimal point ignored 03H 06H 001CH OUT1 high limit Set value 03H 06H 001DH OUT1 low limit Set value 03H 06H 001EH OUT1 ON OFF action hysteresis Set value Decimal poi...

Page 54: ... 0 to 400 0 0008H N 200 to 1300 0009H PL 0 to 1390 000AH C W Re5 26 0 to 2315 000BH Pt100 200 0 to 850 0 000CH JPt100 200 0 to 500 0 000DH Pt100 200 to 850 000EH JPt100 200 to 500 000FH K 320 to 2500 0010H K 320 0 to 750 0 0011H J 320 to 1800 0012H R 0 to 3200 0013H S 0 to 3200 0014H B 0 to 3300 0015H E 320 to 1500 0016H T 320 0 to 750 0 0017H N 320 to 2300 0018H PL 0 to 2500 0019H C W Re5 26 0 to...

Page 55: ...ble Decimal point ignored 03H 0081H OUT1 MV Decimal point ignored 03H 0082H OUT2 MV Decimal point ignored 03H 0083H SV When SV rises or falls Decimal point ignored 03H 0085H Status flag 0000 0000 0000 0000 20 OUT1 0 OFF 1 ON DC current output type Not fixed 21 OUT2 0 OFF 1 ON 22 Alarm 1 output 0 OFF 1 ON 23 Alarm 2 output 0 OFF 1 ON 24 Not used always 0 25 Not used always 0 26 Heater burnout alarm...

Page 56: ...ems for the options is possible using the setting command However they will not function The instrument numbers and communication speed of the slave cannot be set by communication function When sending a command by broadcast address 0 00H the same command is sent to all the slaves connected However the response is not returned The memory can store up to 1 000 000 one million entries If the number ...

Page 57: ...nput impedance 50 50 shunt resistor sold separately must be connected between input terminals Allowable input current 50mA or less When 50 shunt resistor sold separately is used DC voltage 0 to 1V DC Input impedance 1M or more Allowable input voltage 5V DC or less Allowable signal source resistance 2k or less 0 to 5V DC 1 to 5V DC 0 to 10V DC Input impedance 100k or more Allowable input voltage 15...

Page 58: ...ge 100 to 240V AC 50 60Hz 24V AC DC 50 60Hz Allowable voltage fluctuation 100 to 240V AC 85 to 264V AC 24V AC DC 20 to 28V AC DC Power consumption Approx 8VA Ambient temperature 0 to 50 32 to 122 Ambient humidity 35 to 85 RH no condensation Weight Approx 120g External dimensions 48 x 48 x 62mm W x H x D Depth of control panel interior when rubber gasket is used 54 5mm Depth of control panel interi...

Page 59: ...DC input and DC current output type Output status selection when input abnormal is usable For manual control the preset manipulated variable MV is outputted Outputs a value between OFF 4mA and ON 20mA or between OUT1 or OUT2 low limit value and OUT1 or OUT2 high limit value depending on deviation Indication range and Control range Thermocouple input Input range low limit value 50 100 to Input rang...

Page 60: ...tion are added they utilize common output terminals Rated current Single phase 20A Single phase 50A 3 phase 20A 3 phase 50A Must be specified Setting range Rated current 20A 0 0 to 20 0A Off when set to 0 0 Rated current 50A 0 0 to 50 0A Off when set to 0 0 Setting accuracy Within 5 of the rated value Action ON OFF action Output Relay contact 1a Control capacity 3A 250V AC resistive load Electrica...

Page 61: ...COL Error correction Command request repeat system Instrument number Address 1 1 to 99 Settable by key Code form ASCII Modbus ASCII MEWTOCOL binary Modbus RTU This is automatically switched upon selecting the communication protocol Contact input If this option is added Serial communication option cannot be added SV SV2 SV3 SV4 or OUT OFF function can be switched by external contact If Set value me...

Page 62: ...for DC voltage 1 to 5V DC or DC current 4 to 20mA DC is disconnected How to check whether the input signal wire is disconnected DC voltage 1 to 5V DC If the input to the input terminals of the instrument is 1V DC and if a scaling low limit value is indicated the instrument is likely to be operating normally however the signal wire may be disconnected DC current 4 to 20mA DC If the input to the inp...

Page 63: ...e the lock in the Set value lock selection of Auxiliary function setting mode Auto tuning or auto reset is performing In the case of auto tuning cancel auto tuning It takes approximately 4 minutes until auto reset is finished The setting indication does not change in the input range even if the keys are pressed and new values are unable to be set Scaling high limit or low limit value may be set at...

Page 64: ...ose of the slave Refer to Section 12 3 Communication parameter setting The instrument number address of the slave does not coincide with that of the command Refer to Section 12 3 Communication parameter setting The instrument numbers addresses are duplicated in multiple slaves Refer to Section 12 3 Communication parameter setting Make sure that the program is appropriate for the transmission timin...

Page 65: ...on of SV rise rate SV fall rate setting action April 2007 ARCT1F412E 2 3rd edition P37 Addition of explanation in detail Addition of KT4B Black type series P 4 Addition of explanation of thermocouple and compensating lead wire March 2008 ARCT1F412E 3 4th edition P 10 Change Fig 5 1 1 Change model name Change tightening torque to 0 63N m October 2009 ARCT1F412E 4 5th edition Change company name Jan...

Page 66: ... ...

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