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Appendix E CANopen Function |
E-4 Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11
Object Function Code Node Number COB-ID Object Dictionary
Index
TPDO1 0011 1-127 0x181-0x1FF 0x1800
RPDO1 0100 1-127 0x201-0x27F 0x1400
TPDO2 0101 1-127 0x281-0x2FF 0x1801
RPDO2 0110 1-127 0x301-0x37F 0x1401
TPDO3 0111 1-127 0x381-0x3FF 0x1802
RPDO3 1000 1-127 0x401-0x47F 0x1402
TPDO4 1001 1-127 0x481-0x4FF 0x1803
RPDO4 1010 1-127 0x501-0x57F 0x1403
Default SDO (tx) 1011 1-127 0x581-0x5FF 0x1200
Default SDO (rx) 1100 1-127 0x601-0x67F 0x1200
NMT Error
Control
1110 1-127 0x701-0x77F 0x1016, 0x1017
E.1.4 CANopen Communication Protocol
It has services as follows:
NMT (Network Management Object)
SDO (Service Data Object)
PDO (Process Data Object)
EMCY (Emergency Object)
E.1.4.1 NMT (Network Management Object)
The Network Management (NMT) follows a Master/Slave structure for executing NMT
service. Only one NMT master is in a network, and other nodes are regarded as slaves. All
CANopen nodes have a present NMT state, and NMT master can control the state of the
slave nodes. The state diagram of a node are shown as follows: