LSIS LSLV0055H100-4COFN, Руководство пользователя

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RS-485 Communication Features
362
Read Normal Response
ACK Station ID CMD Data SUM EOT
06h ‗01‘–‗FA‘ ‗R‘ ‗XXXX‘ ‗XX‘ 04h
1 byte 2 bytes 1 byte n x 4 bytes 2 bytes 1 byte
Total bytes= (7 x
n
x 4): a maximum of 39
Read Error Response
NAK Station ID CMD Error code SUM EOT
15h ‗01‘-‗FA‘ ‗R‘ ‗**‘ ‗XX‘ 04h
1 byte 2 bytes 1 byte 2 bytes 2 bytes 1 byte
Total bytes=9
7.3.6.2 Detailed Write Protocol
Write Request
ENQ
Station
ID
CMD Address Number of
Addresses Data
SUM EOT
05h ‗01‘–‗FA‘ ‗W‘ ‗XXXX‘ ‗1‘–‗8‘ = n ‗XXXX…‘ ‗XX‘ 04h
1 byte 2 bytes 1 byte 4 bytes 1 byte
n x 4
bytes
2 bytes 1 byte
Total bytes= (12 +
n
x 4): a maximum of 44
Write Normal Response
ACK Station ID CMD Data SUM EOT
06h ‗01‘–‗FA‘ ‗W‘ ‗XXXX…‘ ‗XX‘ 04h
1 byte 2 bytes 1 byte n x 4 bytes 2 bytes 1 byte
Total bytes= (7 +
n
x 4): a maximum of 39