Functions
7.7 Application-specific functions
Inverter cabinet units
412
Operating Instructions, 12/2014, A5E32923362A
7.7.16
Bypass
The bypass function switches the motor from inverter operation to line system operation. The
following options are possible:
●
Bypass function when activating via a control signal (p1267.0 = 1)
●
Bypass function depending on the speed (p1267.1 = 1)
The inverter controls two contactors via its digital outputs. The inverter analyses the
feedback signals from the contactors via its digital inputs. If using direct connection logic
(high level = ON), both contactors should be NO contacts.
Figure 7-28 Bypass circuit for control using the inverter
Note
Flying restart must be activated for the bypass function (p1200 = 1 or 4).
Note
Bypass mode in the essential service mode
The special features for bypass mode in the essential service mode are described in Section
Essential service mode (Page 401).
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