Applications
238
IDEC SmartRelay Manual
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 ob-
jects from getting trapped or damaged when the gate is
closing.
Safety pressure bar
Indicator lamp
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com
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