Panasonic KT7 Instruction Manual page 8

• Response message from the slave in exception (error) status (When non-existent data item is sent)
3.5 idle Slave
characters address
(01H)
The function code MSB is set to 1 for the response message in exception (error) status (83H).
The exception code (02H: Non-existent data address) is returned.
2
Setting (Instrument number 1, SV=100 )
• A request message from the master
Slave
3.5 idle
characters address
(01H)
• Response message from the slave in normal status
3.5 idle Slave
characters address
(01H)
• Response message from the slave in exception (error) status (When a value out of the setting
range is set)
3.5 idle Slave
characters address
(01H)
The function code MSB is set to 1 for the response message in exception (error) status (86H).
The exception code (03H: Value out of the setting range) is returned.
7. Communication command table
When the data (set value) has a decimal point, remove the decimal point and represent it as a
whole number, then express it in hexadecimal figures.
Modbus
function code
03H/06H 0001H: SV
03H/06H 0002H: Not used
03H/06H 0003H: AT/Auto-reset
03H/06H 0004H: OUT proportional band
03H/06H 0005H: Not used
03H/06H 0006H: Integral time
03H/06H 0007H: Derivative time
03H/06H 0008H: OUT proportional cycle
03H/06H 0009H: Not used
03H/06H 000AH: Manual reset
03H/06H 000BH: Alarm value
03H/06H 000CH: Not used
03H/06H 000DH: Not used
03H/06H 000EH: Not used
03H/06H 000FH:
03H/06H 0010H:
03H/06H
0011H: LA (Loop break alarm) span
03H/06H 0012H: Set value lock (*1)
03H/06H 0013H: Not used
03H/06H 0014H: Not used
03H/06H 0015H: Sensor correction value
03H/06H 0016H: Not used
03H/06H 0017H: Not used
Function Exception
code code
(83H) (02H)
1 1
(Fig. 6.4-4)
Function
Data item
code
(06H) (0001H)
1 1
(Fig. 6.4-5)
Function
Data item
code
(06H) (0001H)
1 1
(Fig. 6.4-6)
Function Exception
code code
(86H) (03H)
1 1
(Fig. 6.4-7)
Data item
HB (Heater burnout alarm) value
LA (Loop break alarm) time
Error check
CRC characters
(C0F1H)
Number of
1 2
characters
Error check
Data
(0064H) (D9E1H)
2 2
Error check
Data
(0064H) (D9E1H)
2 2
Error check
CRC characters
(0261H)
Number of
1 2
characters
Set value
0000H: Cancel
Set value
Set value
Set value
Set value
Set value
Set value
Set value
Set value
Set value
0000H: Unlock
0001H: Lock 1
Set value
8
3.5 idle
3.5 idle
CRC characters
Number of
2
characters
3.5 idle
CRC
characters
Number of
2
characters
3.5 idle
Data
0001H: Perform
0002H: Lock 2
0003H: Lock 3