Addressable Gas Detection System Manual
Addressable System Manual
9
Issue 2, January 2015
2.1.3)
Power connections
Fig. 2.1.3 Power connections
2.1.4)
Opto-isolated auxiliary input connections
4 opto-isolated digital inputs are available on the back panel to be used as indicated
in the diagram below.
Fig. 2.1.4 Auxiliary input connections
P1
P2
D19
D
D24
D
Control unit back panel
Earth
Jp48
Jp51
F1
F2
27,6 Vdc/ 4 A power supply
+
-
100-120 Vac
200-240 Vac
Earth
+
-
-
+
2
7
,4
V
d
c
Al connettore Jp51 è possibile
collegare un secondo alimentatore
per una maggior affidabilità del sistema
To the Jp51 connector it is possible
the connection of an auxiliary
Power Supply, for a more system
reliability
3,15 A
3,15 A
P
o
w
e
r
s
u
p
p
ly
a
n
d
b
a
tt
e
ry
c
o
n
tr
o
l
c
ir
c
u
it
to
J
P
4
1
/J
P
4
2
c
ir
c
u
it
Jp41
Jp42
D1
D2
D3
D4
-
+
-
+
-
+
-
+
Contatto esterno opzionale di tacitazione
External remote switch for the ACK function
(optional)
Non usato /not used
Ingresso di guasto batteria
Battery low/failure input
Control unit back panel
P1
P2
Earth
Jp48
Jp51
F1
F2
+
-
-
+
D
a
ll
’a
li
m
e
n
ta
to
re
F
ro
m
t
h
e
P
o
w
e
r
S
u
p
p
ly
Ingresso di mancanza rete
Main power failure input
A
l c
irc
u
ito
d
i c
o
nt
ro
llo
To
th
e
c
o
n
tr
ol
c
irc
u
it
