2 network management telegram (nmt), Network management telegram (nmt), E94aycca communication manual (canopen®) – Lenze E94AYCCA User Manual

Page 43

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EDS94AYCCA EN 5.0 - 06/2012

L

43

E94AYCCA communication manual (CANopen®)

Data transfer

Communication phases / network management

7.2.2

Network management telegram (NMT)

The telegram for the network management contains the identifier "0" and the command

included in the user data, which consists of the command byte and the node address.

[7-3]

Network management telegram for changing the communication phases

The changeover of the communication phases is carried out by one node, the CAN master,

for the entire network. The role of the CAN master can also assumed by the drive controller.



Parameterising the controller as a CAN master

( 44)

Example:
Data can only be exchanged via the process data objects in the "Operational" state. To

change all nodes on the bus from "Pre-Operational" to "Operational" via the CAN master,

the following identifiers and user data must be set as follows in the transmit telegram:

 Identifier: 0x00 (network management)
 User data: 0x0100 (NMT command "Start Remote Node" to all nodes)

%LW

%LW

%LW

%LW

%LW

%LW

%LW

%LW

%LW

,GHQWLILHU

8VHUGDWD %\WH

&2%,' 

FRPPDQG

VSHFLILHU

FV

QRGH

DGGUHVV

QRGH,'

Command specifier (cs)

NMT command

dec

hex

1

0x01

Start Remote Node

2

0x02

Stop Remote Node

128

0x80

Enter Pre-Operational

129

0x81

Reset node

130

0x82

Reset communication

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