Attachment 8: Control Inputs Terminal Circuit Diagram - Siemens AT18 Operating Instructions Manual

15.8 Attachment 8: Control inputs terminal circuit diagram

Power outlet
4V / 0.4A
Light barrier
Nudge
Close
Open
Connection with internal 4V supply
Illustration 9
Nudge = switch on CLOSE and nudge instruction at the same time (only effective in closing
direction).
NOTICE
The 4V current outlet X4 may not be connected to a foreign (external) current facility (e.g. elevator
controls of a higher order).
A connection from X4 connection (minus 4V) against PE is possible.
Power outlet
4V / 0.4A
Light barrier
or bridge
Light barrier
Nudge
Nudge
Close
Open
Operating Manual - Elevator Door Operation AT18
From the
elevator control
+10V up to +8V DC
9mA up to 7mA
per inlet
Light barrier
or bridge
Close
Open
Connection with external supply
Nudge
Close
Open
37