Operation
6.9 Communication over CANopen
Figure 6-22
Command specifier and Node_ID indicate the transition states and addressed nodes:
Overview of NMT commands
NMT master - request → NMT slave - message
Command
Start
Stop
Enter Pre-Operational
Reset Node
Reset Communication
The NMT master can simultaneously direct a request to one or more slaves. The following is
applicable:
● Requirement of a slave:
The controller accesses the slave with its node ID (1 - 127).
● Requirement for all slaves:
Node ID = 0
260
CANopen state diagram
Byte 0 (command specifier, CS)
1 (01hex)
2 (02hex)
128 (80hex)
129 (81hex)
130 (82 hex)
Byte 1
Node ID of the addressed node
Node ID of the addressed node
Node ID of the addressed node
Node ID of the addressed node
Node ID of the addressed node
Operating Instructions, 12/2014, A5E32923362A
Inverter cabinet units