185
185
185
185
You can invert output Q3 to use output messages at Q4. Relay Q4 only drops out if main power
is lost or if there is a fault in the system. The output can then be used for a remote message.
6
6
6
6 .4
.4
.4
.4 Factory
Factory
Factory
Factory door
door
door
door
Requirements
Requirements
Requirements
Requirements for
for
for
for a
a
a
a gate
gate
gate
gate control
control
control
control system
system
system
system
In many cases a factory entrance is closed with roll gates. Those gates are only opened when
vehicles need to enter or leave the factory grounds. The gate is controlled by the porter.
• The sliding gate is opened and closed by means of a pushbutton control in the gatehouse.
The porter can monitor the gate operation.
• The roll gate is normally fully opened or it is closed. However, gate movements can always
be interrupted.
• A flashing light is activated five seconds before the gate moves, and while the gate is in
motion.
• A safety pressure strip ensures that people are not injured and that no objects are trapped
and damaged when the gate is closing.
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