4B - W4005 BÜHLER ELEVATOR MONITORING SYSTEM R9.6 – 22 May 2020
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Warning: Contactor feedback voltage applied across pins 17 and 18 must be 24Vdc only! Voltage higher
than this will damage this circuit and should not be used!
Note: Please see section 7.3 - W4005NV46AI /B – W400 Series Elevator Controller for information on the
relays Voltage and Current ratings.
Note: Alarm/Fault and Stop relays are normally open relays, which will be in closed state under normal
machine running conditions.
Please contact 4B for additional wiring diagrams.