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LSIS LSLV0055H100-4COFN - Page 378

LSIS LSLV0055H100-4COFN
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RS-485 Communication Features
364
received from a monitor registration request
ENQ
Station ID
CMD
SUM
EOT
05h
01–‗FA
Y
XX
04h
1 byte
2 bytes
1 byte
2 bytes
1 byte
Total bytes=7
Monitor Registration Execution Normal Response
ACK
Station ID
CMD
Data
SUM
EOT
06h
01–‗FA
Y
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
Monitor Registration Execution Error Response
NAK
Station ID
CMD
Error Code
SUM
EOT
15h
01–‗FA
Y
**
XX
04h
1 byte
2 bytes
1 byte
2 bytes
2 bytes
1 byte
Total bytes=9
7.3.6.4 Error Code
Code
Abbreviation
Description
ILLEGAL
FUNCTION
IF
The requested function cannot be performed by a slave
because the corresponding function does not exist.
ILLEGAL DATA
ADDRESS
IA
The received parameter address is invalid at the slave.
ILLEGAL DATA
VALUE
ID
The received parameter data is invalid at the slave.
WRITE MODE
ERROR
WM
Tried writing (W) to a parameter that does not allow
writing (read-only parameters, or when writing is
prohibited during operation)
FRAME ERROR
FE
The frame size does not match.

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