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Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
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Synchronisation of the internal time base
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Synchronisation of the internal time base
In a drive system, synchronising the internal time bases of all inverters involved makes sense
because cyclic process data should be processed synchronously in all drives.
• One of the following signal sources can be used for automatic synchronisation of the internal
time base of the inverter:
• CAN bus ("CAN on board")
• MCI
sync signal of a plugged-in communication module
(EtherCAT, PROFINET or Powerlink)
Short overview of the parameters for the synchronisation of the internal time base:
Sync signal source
The synchronisation signal source can be selected in
. As a general rule, only one source can
be used to synchronise the internal time base.
Sync cycle time setpoint
Time with which the internal phase-locking loop (PLL) expects the synchronisation signals. The time
must be set in
in accordance with the cycle of the synchronisation source selected in
Example: For the CAN bus, 2 ms has been selected as interval between two synchronisation signals.
If the CAN bus is to be used as synchronisation source, a cycle time setpoint of 2000
μ
s must be
selected in
Parameters
Info
Lenze setting
Value Unit
CAN Sync instant of transmission
-
μ
s
Sync instant of reception
-
μ
s
Sync signal source
Off
Sync cycle time setpoint
1000
μ
s
Sync phase position
0
μ
s
Sync window
100
μ
s
Sync correction width
300 ns
Greyed out = display parameter
Note!
• Only integer multiples of 1000
μ
s can be set in
• Intelligent communication modules usually define the cycle time setpoint derived
from the bus cycle. In this case, a manual change is not possible.