CANopen Agile
06/2010
30
Protocol
8.10
OS Synchronization
The operating System (OS) of the frequency inverter can be synchronized to the PLC or other devic-
es. The synchronization of the OS enhances the performance of the complete plant. Synchronization
is used to eliminate phase deviations of the CPUs between master and slave devices, so that calcu-
lations are done at the same time. Note, that only small deviations of the CPU clock frequencies
between devices (i.e. different CPU Quartz cock frequenices) of ± 1 ‰ can be compensated.
Synchronization via CANopen:
When using CANopen without Systembus, the synchronization can be switched on and off. Synchro-
nization can be only done with CANopen SYNC telegrams.
Synchronization via Systembus:
When using CANopen simultaneously with Systembus, the synchronization can be set to either CA-
Nopen, Systembus or it can be switched off. Synchronization can be done with Systembus SYNC
telegrams or Systembus RxPDO telegrams.
Note: When synchronizing the OS via CANopen, the master has to support the synchronization me-
chanisms of CANopen.
OS_SyncSource
1452
Operation Mode
Function
0 - Auto
The synchronization source is selected automatically by the inverter.
1 - CANopen
The OS is synchronized via CANopen. Factory setting.
2 - Systembus
The OS is synchronized via Systembus.
99 - Off
The OS is not synchronized with other devices.
Operation mode Auto: The selection is done via this decision table:
CANopen active
Systembus active
Synchronization
Yes
Yes
Synchronization via CANopen
Yes
No
No
Yes
Synchronization via Systembus
No
No
No Synchronization activated.
The CANopen "active status for synchronization" is recognized by the parameter setting 387
CAN
Node Number
>0 and a running synchronous PDO.
The Systembus "active status for synchronization" is recognized by the parameter setting 900
System-
bus Node ID
>0. Also parameter 1180
Synchronization
has to be set to SYNC or an RxPDO.
Содержание Bonfiglioli Vectron Agile
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