11.8
OS Synchronization
The operating System (OS) of the frequency inverter can be synchronized to the
PLC or other devices. 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 calculations are done at the same
time. The synchronization time must be natural number as multiplier from 1 ms.
Operation mode
0 - Auto
1 - CANopen
2 - Systembus
3 - Ind. Ethernet
Module
4 - Synchronised
Ind. Ethernet
Module
99 - Off
Operation mode Auto: The selection is done via this decision table:
EtherCAT
active
Yes
Yes
No
No
1453 OS SyncSource Act shows the active Synchronization source
The parameter 1451
tion inside of 1 ms. When you experience noises from a motor, shifting the
OS Synctime
No.
1451 OS Synctime
07/13
OS_SyncSource
The synchronization source is selected automatically by the
inverter.
®
The OS is synchronized via CANopen. Factory setting.
The OS is synchronized via Systembus.
The OS is synchronized via Ethernet Module
The OS is synchronized via synchronized Ethernet Module
e.g. EtherCAT
The OS is not synchronized with other devices.
®
Systembus
active
Yes
Synchronisation via EtherCAT
No
Yes
Synchronization via Systembus
No
No Synchronization activated.
OS Synctime
can result in a better behavior.
Parameter
Description
CM-EtherCAT
1452
Function
®
Synchronization
can be used to shift the point of the synchroniza-
Min.
700 us
®
CANopen
Setting
Max.
Fact. sett.
900 us
800 us
31
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