Connections to Other Loop Units
Connecting Loop Units, Interactive Fire Detection Systems, 116-P-CONNECTLOOPUNIT/DGB 2007-10-10,
Autronica Fire and Security AS
Page 22
3.14 Door Control Unit (BN-320/2)
The Door Control unit controls and monitors fire doors. The unit is
connected to the detection loop, and powered from an external 24V
DC power supply.
Switch 1
Closed Open Open Closed
Switch 2
Open Open Closed Closed
Status
Door
Open
Door in
transition
Door Closed Illegal
(fault)
PRESS HERETRYKK HE R
KNUS GLASSET
BREAK GLASS
BN-320/2
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE AL ARM
Interface unit
Nr.
No.
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Interf ace unit
Nr.
No.
Loop
Driver
Module
F
I
R
E
D
O
O
R
Trigging of
electro-
magnetic
doorholder
Normally
closed
output.
CLOSING OF
FIRE DOORS
Output
Input A
Input B
24 VDC
PRESS HERETRYKK HE R
KNUS GLASSET
BREAK GLASS
BN-320/2
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE AL ARM
Interface unit
Nr.
No.
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE AL ARM
Interface unit
Nr.
No.
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Interf ace unit
Nr.
No.
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Interf ace unit
Nr.
No.
Loop
Driver
Module
F
I
R
E
D
O
O
R
Trigging of
electro-
magnetic
doorholder
Normally
closed
output.
CLOSING OF
FIRE DOORS
Output
Input A
Input B
24 VDC
To Next Page
Loading...
