Mitsubishi Electric MELSEC iQ-R Series User Manual page 524

When communication type is "Receive Only"
When data are received from the target device, the process completes when the received data matches the receive packet
and the receiving process is performed.
C24
Predefined receive packet
Header Station
No. 2
Up to 16 receive packet
can be specified
The operation image of "Receive only" is as follows.
■Normal completion
CPU
Execute dedicated instruction
module
(G(P).CPRTCL)
Completion device
Status display device
at completion
C24
Target device
APPENDICES APPENDIX
522
Appendix 5 Operation Image and Data Structure of Predefined Protocol
Header Station
Header Station
Receiving process
Verification match
(Receive
buffer clear)
* Only if it is specified
Receive data 1
No. 1
Target
Receive data 2
device
No. 2
Store verification-matched
receive packet number
(1 to 16)
Receive packet
Verification match
Receive packet