
LEMCOM CANopen®
– User manual
Emergency
messages
COVAL
– LMCOP-EN-A-1155UM0068
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9
EMERGENCY MESSAGES
The CANopen® LEMCOM module’s internal errors are indicated by emergency messages sent over
the CAN bus.
An emergency message frame is built as follows:
Server (LEMCOM)
Client (master)
CAN-ID
(80h+ID)
0A0h
Emergency
code L
00h
Emergency
code H
00h
Error register
contents
00h
Byte 0
–
Byte 1
– Byte 2 – Byte 3 – Byte 4
Additional information
Emergency messages are transmitted over the CAN bus, but they do not need to be confirmed by
the consumer(s).
A message is sent when a new error is detected and when it disappears.
The table below lists the emergency codes supported by the LEMCOM module:
Emergency code
Meaning
0x8130
Monitoring fault
0x3100
Supply voltage fault
0xF001
Communication fault on the COVAL bus
Table 9
– Emergency codes