2 communication phases/network management, Communication phases/network management, Communication manual 8400 motec canopen – Lenze E84DGFCC User Manual
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Communication manual 8400 motec CANopen
Data transfer
Communication phases/network management
40
L
EDS84DMOTCAN EN 3.0 - 11/2011
7.2
Communication phases/network management
With regard to communication via the system bus, the controller distinguishes between
the following states:
Code
serves to display the status of the CAN bus.
Tip!
Part of the initialisation or the entire initialisation can be carried out again in every
status by transmitting the corresponding network management telegrams.
Status
Explanation
"Initialisation"
(Initialisation)
After switch-on, an initialisation run is carried out.
• During this phase, the controller is not involved in the data exchange via
the bus.
• The standard values are re-written to all CAN-relevant parameters.
• After initialisation is completed, the controller is automatically set to the
"Pre-operational" status.
"Pre-operational"
(before being ready for operation)
Parameter data can be received, process data are ignored.
"Operational"
(ready for operation)
Parameter data and process data can be received!
"Stopped"
(stopped)
Only network management telegrams can be received.
Communication object
Initialisation
Pre-operational
Operational
Stopped
PDO
z
SDO
z
z
Sync
z
z
Emergency
z
z
Boot-up
z
Network management (NMT)
z
z
z