Return Slave Busy Count (Sub-Function Code: 11H) - Mitsubishi Electric MELSEC iQ-R Series Reference Manual

Return slave busy count (sub-function code: 11H)

Operation description
Reads out the number of busy responses to the master.
Request message format (from master to slave)
Function code Sub-function code
08H
(H)
Response message format (from slave to master)
■ When completed successfully
Function code Sub-function code
08H
(H)
Returns the count value of the buffer memory listed below to the master.
• 'Slave busy count' (Un\G32521/Un\G32585)
It is always '0' in C24s.
■ When completed with an error
Function code Data
Exception code
88H
3 MODBUS STANDARD FUNCTION DETAILS
34
3.8 Diagnostics (FC: 08H)
(0011H)
(L) (H)
Slave busy count value
(0011H)
(L) (H)
Data
(0000H)
(L)
Data
(0000H)
(L)