SSS Siedle AIB 150 Series System Manual page 127

BCM
BTLM
Tö
BTM
Siedle Vario
Device
requirement BCM 653-...
BTLM 650-...
BTM 650-...
Tö 12 V AC min. 20 Ohm
BCM
BTLM
BTM
Device Siedle Vario
requirement BCM 653-...
BTLM 650-...
BTM 650-...
Tö 12 V AC min. 20 Ohm
Tö
Siedle Vario
TR 603-...
BCM 653-...
BTLM 650-...
BTM 650-...
Tö
TR 603-... BVNG 650-...
Application
Systems with more than one door
station with door release.
The Tö contact (door release con-
tact) in the bus line rectifier and the
door release contact in the door
loudspeaker are used. The contact
in the BNG/BVNG 650-... switches
the door release button every time
it is pressed, the contact in the door
loudspeaker only at the door from
which the last door call was placed.
Benefits
• Tamper-proof, as no access from
the outside
Drawbacks
• The door release must be routed to
the distributor
BVNG 650-...
• 5 cores are required to each door
station
Application
Garden gate or areas without secu-
rity relevance.
The DR contact in the door loud-
speaker switches every time the door
release button is pressed.
Benefits
• Only 4 cores to the door station,
the door release is connected directly
in the door station
• Several door stations possible
without additional installation
Drawbacks
• Not tamper-proof, as access pos-
sible from outside
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