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4.16 Report Slave ID (FC: 17)
4
MODBUS(R) STANDARD FUNCTIONS
4.16 Report Slave ID (FC: 17)
Acquires the information of the slave (QJ71MB91) mounted station into the master.
(1) Request message format (Master Slave)
(2) Response message format (Slave Master)
(When completed normally)
The slave (QJ71MB91) will return any of the following programmable controller CPU
type data.
(Continued on next page)
Figure 4.88 Report slave ID (Request message)
Figure 4.89 Report slave ID (Normal response message)
Table4.8 Programmable controller CPU type data returned to Master
Module type
Programmable controller CPU type data
returned to Master
Programmable controller
CPU
Q00JCPU 50
H
Q00CPU 51H
Q01CPU 52H
Q02CPU
41
H
Q02HCPU
Q06HCPU 42
H
Q12HCPU 43H
Q25HCPU 44H
Function code
Function
code
(11
H)
Data
See table below.
Function code
Function
code
(11
H)
Number of
bytes
(02H)
Programmable
controller
CPU type
Programmable
controller CPU
STOP/RUN
state
00H: STOP, PAUSE, or in
initial processing
FF
H: RUN, STEP-RUN