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multitronic
881/881GL/ServoAccess
Contact surfaces’ cable
Cable from two-way intercom system
Opening impulse from two-way intercom system or access control system:
Potential-free impulse or energised impulse (6-12 V AC oder 6-24 V DC)*
to be connected to the white cable. Note the connector pin assignment on the drive unit!
Drive unit power supply 12 V DC:
Red cable on
Black cable on
Switch cabinet with
DIN rail power supply unit
DIN rail power
supply unit
12 V DC
*The DC power supply can also be operated with an AC opening impulse.
Principle of connection
PLEASE NOTE – connector pin assignment on
the drive unit:
If the tappet contacts are used without the control
unit, the white cable from the green drive unit‘s
coupler for the door opening impulse must be shif-
ted from terminal 1 to:
• auf in case of potential-free impulse: to terminal 4
• in case of an electrical impulse: to terminal 7
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