GB
Manual Door intercom devices a / b series 20 / 30 / 40 / 50 / 20-0028A/-0028B
Connection
GB
70
www.behnke-online.com
Lift emergency phone 20-0028B (up to firmware version BT MA 1.64, from the second quarter of 2019)
Please note:
Please compare your connection boards of the delivered device/rep. kit to the con-
nection boards in the picture. You can find further configuration steps from page 72 onwards.
6 - 24 V =
Alarm input
–
+
Relay 1
Relay switch power: max. 60 VA/24 W:
0,5 A 120 V~ or 1A 24V=
Relay 2
Relay switch power: max. 60 VA
24 W 0.5 A 120 V~ or 1A 24V=
Operating contact
Control contact
Rest contact
Operating contact
Control contact
Rest contact
12 V - 15 V=
Additional
power supply
potential-free voltage
e.g. from a Behnke power supply unit
–
+
Alternative: Front cover
with pictogram 22-9416
To the outside
intercom station
under the cabin 20-9230
Red
p
at
ch c
ab
le
20-9
30
2
Yel
lo
w p
at
ch c
ab
le
20-9
30
9
to the on-site pictograms.
Please note the technical specifications
of the on-site pictograms.
Distance between speakers
and microphone must be
at least 15 cm
Built-in microphone
20-9204
Emergency call button
in the cabin
T
To the button
in the cover
T1
To the speaker
in the cover
To the microphone
in the cover
Alt
ern
ati
ve
to T2*
Screen
Analogue landline connection, analogue extension of a
telephone system or GSM gateway
Pictogram control
10 - 35 V =
–
+
Tr
av
el
ling c
ab
le
Gr
ey
p
at
ch c
ab
le
20-9
329
Patch cable CAT 5 max. 10m
