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 29
3.21 Disable Input with Timer Input (BW-201)
Applies to AutroSafe only.
The Disable unit is used to disable one or a number of detection
zones. The unit is connected to and powered from the detection loop.
An external timer controls the disablement time.
PRESS HERETRYKK HER
KNUS GLASSET
BREAK GLASS
BW-201
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Interface unit
Nr.
No.
Loop
Driver
Module
External Timer
PRESS HERETRYKK HER
KNUS GLASSET
BREAK GLASS
BW-201
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Interface unit
Nr.
No.
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Interface unit
Nr.
No.
Loop
Driver
Module
External Timer
Connection to
External timer
24V Output
24V Input
* 1 or 2 units on each loop: Connect detector loop + (1), and detector loop – (3) to 24V input.
More than 2 units on each loop: Use external 24V supply
Separate 24V DC must always be used when if more than 2 units are connected to the loop, or if the 24V
output is used.
LED
Detection
Loop
+
+
-
-
*