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17
Attention
For fixed installation, a main switch must be connected directly to
the power line in reach of the control unit or directly to the S20 MLS
control unit. Protect the mains lead for the control unit with a 3-phase
AC automatic cut-out with 3 x 10 A.
Connecting the drive to the control unit
Connecting.cables.in.a.variety.of.lengths.are.available.for.connecting.the.Becker.sec-
tional. door. drive. to. the. S20. MLS. control. unit.. The. connecting. cable. has. a. screwed.
cable.gland.on.both.sides..The.connection.is.via.the.4-phase.plug.(M-motor).and.the.
8-phase.plug.(E-limit.switch).
The.green/yellow.protective.conductor.must.be.connected.to.the.protector.terminal.
PE.( ).
UP button
Pressing.the.Button.
UP
.opens.the.door.and.keeps.it.open..When.the.upper.end.posi-
tion.is.reached.or.if.a.safety.function.responds,.the.door.stops.automatically..If.the.
UP
.
button.is.pressed.while.the.door.is.closing,.the.door.stops.instantly.and.after.a.delay.of.
0.5.s.it.moves.to.the.upper.end.position.
STOP
button
The.door.is.stopped.by.pressing.the.
STOP
.button.
DOWN button
If.a.safety.edge.is.used,.pressing.the.
DOWN
.button.closes.the.door.automatically..If.
no.safety.edge.is.connected,.only.the.dead-man.mode.(touch.mode).is.possible..If.
the.closing.safety.edge.or.the.light.barrier.responds,.the.door.stops.(safety.edge:.stop-
ping.time.0.3.s,.light.barrier:.stopping.time.0.5.s).and.moves.away.from.the.obstacle..
(clearance.time.is.2.s).
Operator controls
Setting mode
To.switch.to.the.setting.mode,.press.the.Buttons.
UP
,.
DOWN
.and.
STOP
.simultaneously.
for.approx..3.seconds..In.the.setting.mode,.opening.or.closing.functions.are.carried.
out.in.dead-man.mode..The.setting.mode.is.displayed.by.a.flashing.LED. ..The.func-
tions.for.the.control.inputs-impulse.(IMP),.light.barrier.(LS/LB).and.safety.edge.are.not.
carried.out.during.the.setting.mode,.although.the.functionality.of.the.safety.edge.and.
the.pre-limit.switch.are.displayed.by.the.LED.
.for.checking.purposes..To.leave.the.
setting.mode,.again.press.the.buttons.
UP
,.
DOWN
.and.
STOP
.simultaneously.for.ap-
prox..3.seconds..Normal.mode.will.be.displayed.by.the.LED. .being.continuously.on.
