beautypg.com

E.1.4 canopen communication protocol, E.1.4.1 nmt (network management object) – Delta Electronics AC Motor Drive VFD-E User Manual

Page 353

background image

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: