LSIS LSLV0055H100-4COFN, Manual

Page: 378 / 610

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.