6.2 KT4 Command Table
If [Modbus ASCII (KT4 command allocation)] or [Modbus RTU (KT4 command allocation)]
is selected in [Communication protocol], the following KT4 command can be used.
6.2.1 A Single Piece of Data Read/Write Command
Modbus
Function
Code
Data Item Data
03/06H 0001H SV1 Set value, Decimal point ignored
03/06H 0002H Not used (*1)
03/06H 0003H AT/Auto-reset Perform/Cancel 0000H : AT/ Auto-reset Cancel
0001H : AT/ Auto-reset Perform
03/06H 0004H OUT1 proportional band
Set value, Decimal point ignored
03/06H 0005H OUT2 proportional band (*2)(*3)
Set value, Decimal point ignored
03/06H 0006H Integral time
Set value
03/06H 0007H Derivative time
Set value
03/06H 0008H OUT1 proportional cycle
Set value
03/06H 0009H OUT2 proportional cycle
Set value
03/06H 000AH Not used (*1)
03/06H 000BH EV1 alarm value (*4)
03/06H 000CH EV2 alarm value (*4)
03/06H 000DH Not used (*1)
03/06H 000EH Not used (*1)
03/06H 000FH Not used (*1)
03/06H 0010H Loop break alarm time Set value
03/06H 0011H Loop break alarm span Set value, Decimal point ignored
03/06H 0012H Set value lock 0000H : Unlock
0001H : Lock 1
0002H : Lock 2
0003H : Lock 3
0004H : Lock 4
0005H : Lock 5
03/06H 0013H SV high limit
Set value, Decimal point ignored
03/06H 0014H SV low limit
Set value, Decimal point ignored
03/06H 0015H Sensor correction
Set value, Decimal point ignored
03/06H 0016H Overlap band/Dead band
Set value, Decimal point ignored
03/06H 0017H Not used (*1)
03/06H 0018H
Scaling high limit
Set value, Decimal point ignored
03/06H 0019H
Scaling low limit
Set value, Decimal point ignored
03/06H 001AH Decimal point place
0000H : No decimal point
0001H : 1 digit after decimal point
0002H : 2 digits after decimal point
0003H : 3 digits after decimal point
03/06H 001BH PV filter time constant Set value, Decimal point ignored
03/06H 001CH OUT1 high limit
Set value
03/06H 001DH OUT1 low limit
Set value
03/06H 001EH OUT1 ON/OFF hysteresis Set value, Decimal point ignored
03/06H 001FH OUT2 cooling method 0000H : Air cooling
0001H : Oil cooling
0002H : Water cooling
03/06H 0020H OUT2 high limit
Set value
03/06H 0021H OUT2 low limit
Set value
03/06H 0022H OUT2 ON/OFF hysteresis Set value, Decimal point ignored
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