Functions, monitoring and protective functions
9.4 Extended functions
Enclosed Drives
Operating Instructions, 12/2018, A5E36652151A
617
Figure 9-23 Example circuit for bypass with synchronizer without degree of overlapping
Activation
The synchronized bypass without overlap (p1260 = 2) function can only be activated using a
control signal. It cannot be activated using a speed threshold.
Parameterization
Once the synchronized bypass without overlap (p1260 = 2) function has been activated, the
following parameters must be set.
Table 9- 11 Parameter settings for bypass function with synchronizer without degree of overlapping
Parameter
Description
r1261.0
Signal "Command switch motor - power unit" (contactor K1)
r1261.1
Signal "Command switch motor - line" (contactor K2)
p1266 =
Control signal setting
p1269[0] =
Signal source for contactor K1 feedback
p1269[1] =
Signal source for contactor K2 feedback
p3800 = 1
Synchronization is activated
p3802 = r1261.2 Synchronization activation is triggered by the bypass function
p3809 =
Setting the phase setpoint for synchronizing the drive to the line supply
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