Autronica Autro Safe Connecting

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 20
3.12 Ex ia-Approved Detectors
Ex ia-approved detectors can be connected to the system. The
Ex-Barrier Unit (BZ-500) is used to separate the safe area from the
hazardous (Ex) area. A maximum of 20 Ex ia-approved detectors can
be mounted as a branch-off from the Ex-Interface Unit on the loop.
PRESS HERETRYKK HER
KNUS GLASSET
BREAK GLASS
Detector
2
Ex ia-approved
detectors
Hazardous Area
Safe Area
Ex-Interface
Unit
Ex
24VDC
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Interface unit
Nr.
No.
Loop
Driver
Module
EX TERMINALS
NON EX TERMINALS
BARRIER
P&F 1.54
24 V
DIN RAIL
BZB-500
+
-
65
123
4
9
101112
87
+
-
3
2
1
+
-
12 11 10
Output
+
-
Detector on
main loop
Branch-off
-
-
+
Ex-Branch for Ex ia-approved
Detectors
+
Input
BZ-500
Safe Area
Ex-Area
Note: The Ex-Barrier
Unit BZ-500 is shown
upside down on the drawing.

Autronica Autro Safe Specifications

General

Brand	Autronica
Model	Autro Safe
Category	Smoke Alarm
Language	English