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Induction loop
An.induction.loop.for.automatic.door.opening.can.also.be.connected.to.terminals.
2
.and.
3
.in.parallel.with.the.UP.button.of.the.external.triple.push.button,.if.required..If.possible,.
the.induction.loop.should.be.set.so.that.it.gives.a.CONTINUOUS.UP.COMMAND.
Slack rope switch
A. slack. rope. switch. can. be. connected. to. terminals.
12
. and.
13
.. For. installation,. the.
jumper.between.terminals.
12
.and.
13
.must.be.removed..This.input.is.debounced.via.
an.internal.timing.element.of.approx..0.1.s..If.the.slack.rope.switch.is.activated.longer.
than.this.period,.the.door.is.stopped.in.any.position..During.activation,.every.additional.
door.movement.is.stopped.
Caution
The “slack rope switch” input is not monitored to such an extent that
errors can be ruled out. If a combined slack rope/trap switch is used,
this must be connected to the EMERGENCY STOP terminals NA/ES.
Pull-in safety device
A. safety. switch. can. be. connected. to. terminals.
NA/ES
. (EMERGENCY. STOP). as. a..
pull-in.safety.device..For.installation,.the.jumper.between.terminals.
NA/ES
.must.be.
removed..
External single push button
An. external. single. push. button. can. be. connected. to. terminals.
1
. and.
2
. (IMP).. The..
push.button.commands.are.executed.one.after.the.other.in.the.sequence.UP.-.STOP.
-.DOWN.-.STOP.
If.there.is.a.fault,.the.push.button.commands.are.executed.one.after.the.other.in.the.
sequence.UP.-.STOP.-.UP.
Light barrier
A. light. barrier. can. be. connected. to. terminals.
10
. and.
11
. (LS).. For. installation,. the..
jumper.between.terminals.
10
.and.
11
.must.be.removed..
If.the.light.barrier.responds.during.downward.movement,.the.door.is.brought.to.an.im-
mediate.halt..After.an.internal.time.of.0.5.s.has.elapsed,.the.
S20 MLS
.opens.the.door.
again..
