LSIS 6731001500, Руководство пользователя

Страница: 384 / 659

371
RS-485 Communication Features
from a monitor registration request
Total bytes=7
Monitor Registration Execution Normal Response
Totalbytes= (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)
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