Configuration via the touch display
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5.7
Configuring relay contacts
The basic configuration of the door intercom system offers you two potential-
free relay contacts that can be used in a wide variety of ways. Additional relay
contacts provide you with the optional SwitchBoxes and the optional I/O Box.
Important
: With the use of a SwitchBox SB221, no other extension boxes can be
connected to the door intercom system!
Application options
Bell pushbuttons
All relay contacts can be assigned bell pushbuttons,
for example, for additional activation of a normal
door gong during a ringing operation. It is also con-
ceivable here to activate a light or to cut in another
device (important: observe max. breaking capacity
of the switching relay; it may be necessary to use a
power relay).
Motion detectors
Relay contact is activated when the door intercom
system detects a movement via the motion detector.
Redial
In order to perform other switching functions with the
door intercom system, an option is also provided for
remote control of the switching relays via redialling
commands from a telephone. This function is helpful
for remote switching of a very wide variety of devices
in the building. The relay contacts can be switched
via a call to the door intercom system and redialling
of the following digits:
#1 = relay contact 1
#2 = relay contact 2
#3 = relay contact 1 SwitchBox (optional)
#4 = relay contact 2 SwitchBox (optional)
#5 = relay contact 3 SwitchBox (optional)
#6 = relay contact 1 I/O Box (optional)
#7 = relay contact 2 I/O Box (optional)
#8 = relay contact 3 I/O Box (optional)
Door opener
The relay contact switches with redialling digits #9. In
the ex-works setting of the door intercom system, the
contact can only be switched if the call is made from
the door intercom system (see chapter Opening a
door [
95]).
