Important CANopen Messages
CAN-CBM-DP
Software Manual Rev. 2.0
100
9. Important CANopen Messages
The following table gives a short list of important general CANopen messages.
CAN-identifier
[HEX]
Designation
Length
Data
[HEX]
Explanations
0
NMT
2
01 xx
Starting all
(preoperational -> operational)
0
NMT
2
80 xx
Operational -> preoperational
0
NMT
2
81 xx
Reset (e.g. CAN-I/O-module)
0
NMT
2
82 xx
Reset communication
80h
NMT
0
-
Sync all
80h +
Node-ID
SDO
0...8 bytes
error code
Emergency message (e.g. by
CANopen-I/O-module)
Node-ID
. ... Node-ID of the accessed CANopen module