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8.
Connection diagrams
8.1
Terminal allocation - overview
BUS-2
Opening contact
Glass breakage
sensor
RS-485
Readers
U_ext. (DC or AC)
The voltage for the door strike must always be supplied via an external source
(U_ext. from control panel or separate power supply unit).
Mounting and Connection Instructions Door controller module for MB
ST23
Cable shields
AC release button
Cover contact - external reader
Bolt switching contact
Rel 2
ST12
1) = no-load current door strike
1) or 2)
2) = load current door strike
Door strike