Siemens BT300 Operator's Manual page 11

Siemens Industry, Inc.
– "Bypass" closes the bypass contactor (M1) and the bypass indicator is
energized.
– The motor is connected to utility/line power.
● Remote Bypass Operation (electronic only)
– Requires a jumper between the top two pins (REM) of jumper block J7 on the
Bypass Diagnostic Board.
– "Off" opens the drive output contactor and the bypass contactor.
– "Bypass" closes the bypass contactor (M1) and the bypass indicator is
energized only when the bypass control terminals (customer remote start input)
are closed.
– The motor is connected to utility/line power.
● Safety Input(s)
– Contact closure required for motor to be run in either Drive or Bypass modes of
operation.
WARNING
This disconnects the 120 Vac control power circuit.
Ceci déconnecte le circuit d'alimentation 120 Vac.
● Essential Services
– Requires jumper (or contact closure) between pins 5 and 6 of Terminal Block
TB1 on the Bypass Diagnostic Board to enable Essential Services.
– Requires contact closure between pins 7 and 8 of Terminal Block TB1 on the
Bypass Diagnostic Board to activate Essential Services.
– Bypass contactor (M1) is closed regardless of the selected operation.
– All calls to open the bypass contactor are ignored except the opening of this
contact or removal of the main power.
– The motor is connected to utility/line power.
● Auto-Bypass (electronic only)
– Requires to be enabled.
– Bypass operation is automatically initiated in the event of a fault at the BT300
Drive.
– The motor is connected to utility/line power.
● Interlock (electronic only)
– Requires to be enabled.
– Requires interlock device wired to terminals
BT300 Bypass Operator's Manual
Bypass Overview
Operation Overview
11
DPD01391
2016-08-05