ACH550 E-Clipse Bypass User’s Manual 2-43
Bypass functions overview
Hand Mode
When the system is in the Bypass mode, the operator can manually start the motor
by pressing the Hand key on the bypass control panel. The motor will run and Hand
is indicated on the bypass control display. In order to run the motor, the Safety
Interlock(s) and Run Enable contacts must be closed (green Enabled LED) and any
bypass fault must be reset.
Auto Mode
In the Auto mode the bypass start/stop command comes from the Start/Stop input
terminal on the bypass control board (or serial communication). The Auto mode is
selected by pressing the Auto key on the bypass control panel. Auto is indicated on
the bypass control display when the bypass is in the Auto mode. If the system is in
the Bypass mode, the motor will run across the line if the Auto mode is selected, the
Start/Stop, Safety Interlock(s) and Run Enable contacts are closed and any bypass
fault is reset.
Off Mode
If the motor is running in the Bypass mode, the operator can manually stop the motor
by pressing the Off/Reset key on the bypass control panel. The Hand or Auto
indication on the bypass control display will change to Off. The motor can be
restarted by pressing the Hand key or the bypass can be returned to the Auto mode
by pressing the Auto key. If the system is in the Drive mode, pressing the Off/Reset
key will take the bypass out of the Auto mode, but will not affect motor operation
from the drive. If the system is switched to the Bypass mode, a motor that is running
will stop.
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