AMT58x-CB CANopen®
17
6.4 NMT objects
NMT structure:
COB-ID (11 bit)
2 CAN Data Bytes
Func.co
de
Node
ID
Command
Slave
ID
0000
0
NMT Func.
Slave ID
If Slave ID = 00h, the NMT message is issued to all network nodes.
NMT Function:
Command
NMT Function
State node
01 hex
Start remote node
Operational
02 hex
Stop remote node
Stopped
80 hex
Enter pre-
operational
Pre-operational
81 hex
Reset node
Pre-operational
82 hex
Reset
communication
Pre-operational
6.5 Boot-up objects
Boot-up message structure:
COB-ID(hex)
1 CAN Data Bytes
700+Node ID
00
6.6 PDO objects
PDO (tx) messages are always made up of 4 CAN Data Bytes and
are used by the encoder to transmit the position value and/or the
velocity value.
PDO structure:
IDENTIFIER
4 CAN Data Bytes
COB-ID(hex)
Byte 0 Byte 1 Byte 2
Byte 3
F.C. Node-ID
Low …
…
High
position value (with PDO1, PDO2, PDO3)
velocity value (with PDO4)
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