Applications
IDEC SmartRelay Manual
281
8.4 Factory door
The entrance to a company’s premises is often closed with a
gate. The gate is only opened to let vehicles in and out.
The gate is controlled by the porter.
8.4.1
Requirements for a gate control system
•
The gate is opened and closed by means of pushbuttons
in the gatehouse. The porter can monitor the operation of
the gate at the same time.
•
The gate is normally fully opened or fully closed. The gate
motion can be interrupted at any time.
•
An indicator lamp is switched on five seconds before the
gate starts moving and when the gate is in motion.
•
A safety pressure bar prevents harm to persons and
objects from getting trapped or damaged when the gate
is closing.
Safety pressure bar
Indicator lamp
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