Mitsubishi Electric MELSEC-L Series - Appendix 8 Operation Image and Data Structure of Predefined Protocol; Appendix 8.1 Operation Image of each Communication Type of Protocol

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APPENDICES
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Appendix 8 Operation Image and Data Structure of Predefined Protocol Appendix 8.1 Operation image of each communication type of protocol
Appendix 8 Operation Image and Data Structure of
Predefined Protocol
Appendix 8.1 Operation image of each communication type of
protocol
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.
The operation image of "Send Only" is as follows.
(a) When the instruction ends normally
Send data
E71
Connected
device
Data Header
E71
Connected device
ECPRTCL instruction
Completion device
Send packet
Send packet
Completion device + 1
Waiting time to send