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 25
5
6
N.O.
910
Ohm
2KOhm
Class 1
6
5
910
Ohm
N.C.
2KOhm
Class 2
6
5
N.O.
2KOhm
Class 3
5
2KOhm
6
Class 4
N.C.
3.17 Monitoring Input Unit (BN-201)
The Monitoring Input Unit is used for monitoring of fault or other signal
contacts from external equipment (technical alarms).
PRESS HERETRYKK HE R
KNUS GLASSET
BREAK GLASS
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Inte rfac e unit
Nr.
No.
Loop
Driver
Module
BN- 35
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Interface unit
Nr.
No.
BN-201
PRESS HERETRYKK HE R
KNUS GLASSET
BREAK GLASS
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Inte rfac e unit
Nr.
No.
BN- 320
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Inte rfac e unit
Nr.
No.
Loop
Driver
Module
BN- 35
BRANNALARM
Tilpasningsenhet
FIRE ALARM
Interface unit
Nr.
No.
BN-201
Four different classes can be configured in order to be able to monitor
different setups of the fault contact (s). Each class can be set to latching or
non-latching operation.
• Class 1: Normal
Open contact with
‘activate’ resistor,
fault monitored for
open and short
circuit.
• Class 2: Normal
Closed contact with
‘activate’ resistor,
fault monitored for
open and short
circuit.
• Class 3: Normal
Open contact
without ‘activate’
resistor, fault
monitored for open
circuit.
• Class 4: Normal
Closed contact
without ‘activate’
resistor, fault
monitored for short
circuit.
1. Pos (+) in
2. Pos (+) out
3. Neg (-) in
4. Neg (-) out
5. (-) Input
6.