Introduction
Installation & Commissioning Handbook, User Guide, AutroSafe Interactive Fire Alarm System, P-BSL330/IE,
Autronica Fire and Security AS
Page 5
1.5 Overview
1.6 Typical Application
The drawing below shows a typical application of the BSL-330 module.
1
2
3
4
5
6
TX
BSL-330
RX
RXB
RXA
TXB
TXA
6
5
4
3
2
1
+
-
Power
Input
Switch
External wires convert the BSL-330’s 4-wire
RS-485 port to a 2-wire RS-485 port.
SW1=ON prevents Master receiving back its
own transmission. If no ”chassis” terminal is provided,
use cable shield as the GND wire.
P1 GND
Cable shield
Power Supply
7-35V DC
+
-
1 2 3 4
RS-485
device
GND
CHASSIS
B
A
RS-485
device
GND
CHASSIS
B
A
RS-485
device
GND
CHASSIS
B
A
TX
RX
GND
PORT 1
PORT 2
P2 driver
control
P2 GND
AutroSafe
Slave
Slave
Master
ON
Protocol
Converter
1
2
3
4
5
6
TX
BSL-330
RX
RXB
RXA
TXB
TXA
6
5
4
3
2
1
+
-
Power
Input
Switch
External wires convert the BSL-330’s 4-wire
RS-485 port to a 2-wire RS-485 port.
SW1=ON prevents Master receiving back its
own transmission. If no ”chassis” terminal is provided,
use cable shield as the GND wire.
P1 GND
Cable shield
Power Supply
7-35V DC
+
-
1 2 3 4
RS-485
device
GND
CHASSIS
B
A
RS-485
device
GND
CHASSIS
B
A
RS-485
device
GND
CHASSIS
B
A
TX
RX
GND
PORT 1
PORT 2
P2 driver
control
P2 GND
AutroSafe
Slave
Slave
Master
ON
Protocol
Converter
AutroSafe – BS-320 / BC-320
Power
Fire Brig. Signalled
Function Delayed
Function Disabled
0
ALARM
i
C
9
8
7
6
5
4
3
2
1
Mute Panel
Silence Alarms
Reset
More Events
Testing
Fire Brig. Disabled
System Fault
Alarms Disabled
Fire Brig. Fault
Fault
â
â
Alarms Fault
AUTROSAFE
SelfVerify
19:23
EAU-321
PLC Equipment
Serial Port
Communication
Board
Modbus Interface Module
BSL-330
