Lenze DDS System bus CAN for PLC Manual de usuario Pagina 81

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System bus (CAN) for Lenze PLC devices
Configuration (CAN−AUX interface)
6−7
l
PLC−Systembus EN 2.0
6.7 Synchronisation
Tip!
By means of the CAN_Synchronization SB, the internal time base of the PLC can be synchronised
with the arrival of the sync telegram.
Thus the internal calculating processes (e. g. control−oriented processes) of the PLC can be
synchronised with the calculating processes of other nodes which can also process the sync
telegram.
Detailed information on the CAN_Synchronization SB can be found in chapter 7.7.
(^ 7−23)
6.7.1 CANaux sync response
The response to the reception of a sync telegram can be configured via C2466:
Code LCD
Possible settings
IMPORTANT
Lenze Selection
C2466 Sync response 1 CANaux sync response
0 No response No response
1 Response to sync PLC responds to a sync telegram
by sending the CANaux1_OUT
object.
6.7.2 CANaux sync identifiers
The transmission or reception identifiers of the sync telegram can be configured via C2467/C2468:
Code LCD
Possible settings
IMPORTANT
Lenze Selection
C2467 Sync Rx Id 128 1 {1} 256 CANaux sync Rx identifier
Receive identifier for the sync
telegram
C2468 Sync Tx Id 128 1 {1} 256 CANaux sync Tx identifier
Send identifier for the sync
telegram
6.7.3 CANaux sync Tx transmission cycle
The cycle time within which a sync telegram with the identifier set in C2468 is transmitted can be
configured via C2469:
Code LCD
Possible settings
IMPORTANT
Lenze Selection
C2469 Sync Tx time 0 0 {1 ms} 65000
0 = Off
CANaux sync time
Sync transmission telegram cycle
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