Canopen Communication Services; Nmt (Network Management) Services - Siemens MICROMASTER 420 Operating Instructions Manual

Issue 01/05
3.2

CANopen communication services

3.2.1

NMT (Network Management) services

The Network Management is structured according to nodes and follows a master-
slave structure.
NMT Master
Request
Fig. 3-1
Nodes are initialized, started, monitored, reset or stopped using the NMT services.
MICROMASTER is an NMT slave.
The following sketch shows the switched communications network of the option
module CANopen.
Fig. 3-2
CANopen Option Module Operating Instructions
6SE6400-5BC00-0BP0
0
CS
NMT protocol
Power On or Hardware Reset
(1)
Initalisation
(2)
(14)
Pre-Operational
(13)
(4) (3)
(12)
Operational
CANopen switched communications network
Data transfer using CANopen
1 2
Node-ID
COB-ID = 0
(7)
(5)
Stopped
(8)
(6)
NMT Slave(s)
Indication(s)
Indication
Indication
Indication
(11)
(10)
(9)
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