Appendix 8 Operation Image And Data Structure Of Predefined Protocol; Appendix 8.1 Operation Image Of Each Communication Type Of Protocol - Mitsubishi Electric MELSEC-L SERIES Basic User Manual

Appendix 8
Appendix 8.1
In the predefined protocol function, communications with connected devices is performed through the communication
type "Send Only", "Receive Only", or "Send&Receive".
This section describes the operation images of each communication type.
(1) When the communication type is "Send Only"
The specified packet is sent once.
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The operation image of "Send Only" is as follows.
(a) When the instruction ends normally
ECPRTCL instruction
Completion device
Completion device + 1
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Connected device
Operation Image and Data Structure of
Predefined Protocol
Operation image of each communication type of
protocol
Send data
Data
Waiting time to send
Connected
Header
Send packet
Send packet
APPENDICES
device
339
A