Instruction manual
12
• Response message from the slave in abnormal status (When a value out of the setting
range is set)
The function code MSB is set to 1 for the response message in abnormal status (86H).
If an abnormal code (03H: Value out of the setting range) is returned, the error can be determined
by reading this code.
(Fig. 6.3-9)
7. Communication command table
Shinko
command
type
Modbus
function
code
Data item Data
20H/50H 03H/06H 1xx0H: Step SV setting (*1) Setting value
20H/50H 03H/06H 1xx1H: Step time setting (*1) Setting value
20H/50H 03H/06H 1xx2H: Wait Used/Not used (*1) 0000H: Not used 0001H: Used
20H/50H 03H/06H 1x13H: Wait value setting (*2) Setting value
20H/50H 03H/06H 1x14H: Alarm 1 (A1) action point (*2) Setting value
20H/50H 03H/06H 1x15H: Alarm 2 (A2) action point (*2) Setting value
20H/50H 03H/06H 1x16H:
Time signal OFF time setting
(*2)
Setting value
20H/50H 03H/06H 1x17H: Time signal ON time setting
(*2)
Setting value
20H/50H 03H/06H 0001H: Not used
20H/50H 03H/06H 0002H: proportional band setting Setting value
20H/50H 03H/06H 0003H: Integral time setting Setting value
20H/50H 03H/06H 0004H: Derivative time setting Setting value
20H/50H 03H/06H 0005H: Anti-reset windup (ARW) Setting value
20H/50H 03H/06H 0006H: Not used
20H/50H 03H/06H 0007H: Not used
20H/50H 03H/06H 0008H: Not used
20H/50H 03H/06H 0009H: Not used
20H/50H 03H/06H 000AH: Not used
20H/50H 03H/06H 000BH: Not used
20H/50H 03H/06H 000CH: Not used
20H/50H 03H/06H 000DH: Not used
20H/50H 03H/06H 000EH:
PID auto-tuning Perform/Cancel
0000H: Cancel 0001H: Perform
20H/50H 03H/06H 000FH: Alarm 1 (A1) action selection
0010H: Alarm 2 (A2) action selection
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 alarm with
standby
20H/50H 03H/06H 0011H: Alarm 1 (A1) hysteresis Setting value
20H/50H 03H/06H 0012H: Alarm 2 (A2) hysteresis Setting value
20H/50H 03H/06H 0013H: Not used
20H/50H 03H/06H 0014H: Not used
20H/50H 03H/06H 0015H:
Alarm 1 (A1) action delayed timer
Setting value
20H/50H 03H/06H 0016H:
Alarm 2 (A2) action delayed timer
Setting value
20H/50H 03H/06H 0017H: Not used
20H/50H 03H/06H 0018H: Not used
20H/50H 03H/06H 0019H: Not used
20H/50H 03H/06H 001AH: Not used
20H/50H 03H/06H 001BH: Proportional cycle setting Setting value
20H/50H 03H/06H 001CH: Control output high limit Setting value
20H/50H 03H/06H 001DH: Control output low limit Setting value
3.5 idle
characters
Slave
address
Function
code
Abnormal
code
Error check
CRC
3.5 idle
characters
(01H) (86H) (03H) (0261H)
11 1 2
Number of
characters