3.4
MOTOR ON/MOTOR OFF CIRCUIT
To get allowance for MOTOR ON conditions, two identical chains of switches have to be
closed.
Any switch opening will cause MOTOR OFF. Any difference in the two chains will
maintain the MOTOR OFF condition.
The principal for one. circuit with possible customer connected switches AS, MS, GS
and ES is shown in figure below.
Operating mode
selector
AS
MS
GS
ES
Automatic mode safeguarded Stop
Manual mode safeguarded Stop
General mode safeguarded Stop
Emergency Stop
INSTALLATION
3:7
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