Addressable Gas Detection System Manual
Addressable System Manual
8
Issue 2, January 2015
2.1.2)
Back panel and connections
Legend
JP33
Relay 1 per Fault / Relay 1 Fault
JP35
Relay 2 AC Fail
JP37
Relay 3 Low Battery
JP39
Relay 4 Buzzer Repeater
JP34
Relay 5 Alarm level 1
JP36
Relay 6 Alarm level 2
JP38
Relay 7 Alarm level 3
JP40
Relay 8 Test
JP7
Bus RS485 connection 1
JP11
Bus RS485 connection 2
JP15
Bus RS485 connection 3
JP19
Bus RS485 connection 4
JP41
Digital Inputs
JP42
Digital Inputs
P1
Printer parallel port
P2
RS232 PC serial port
JP48
Power supply connection (24 Vdc)
F1
Fuse first power supply (3,15A F)
JP51
Power supply auxiliary connection
(24 Vdc)
F2
Fuse for aux. power supply (3,15A F)
Earth
Earth connection
DL 1-8
LED indicating relay activation
D30-33
Flashing LED indicating the RS485
bus communication
D19
LED indicating the power supply at
JP48
D24
LED indicating the power supply at
JP51
J
p
3
3
J
p
3
5
J
p
3
4
J
p
3
6
J
p
3
7
J
p
3
8
J
p
3
9
J
p
4
0
J
p
7
J
p
1
1
J
p
1
9
J
p
1
5
J
p
4
1
J
p
4
2
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
A
B
A
B
A
B
A
B
D
3
0
D
3
2
D
3
0
D
3
1
D
3
3
D
l1
D
l2
D
l4
D
l5
D
l6
D
l7
D
l8
P
1
P
2
D
3
2
D
1
9
D
D
2
4
D
Back panel
E
a
rt
h
J
p
4
8
J
p
5
1
F
1
F
2