Mitsubishi Electric MELSEC iQ-RJ71C24-R2 - Verification Operation of Receive Packet

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APPENDICES APPENDIX
Appendix 5 Operation Image and Data Structure of Predefined Protocol
Verification operation of receive packet
The following shows C24 operation when data that are different from the specified receive packet are received.
Receive data prior to the different data is discarded. Data is compared again from the start of the receive packet, and once the
data matches the receive packet, the data receiving operation is processed.
STX ETX‘1’ ‘2’ ‘3’ ‘4’ ‘5’ ‘6’
STX ETX‘1’ ‘2’ ‘3’ ‘4’ ‘5’ ‘6’
STX ‘1’ ‘2’ ‘3’
STX
ETX‘1’ ‘2’ ‘3’ ‘4’ ‘5’ ‘6’
STX ETX‘1’ ‘2’ ‘3’ ‘4’ ‘5’ ‘6’
Specified
receive packet
Same Same Same Same Different
Receive data
Discarded
Specified
receive packet
Same Same Same Same Same Same Same Same
Receive data
→Verification match