Omni8/16C/Omni8P User Manual
UMC1480R24.pdf
30
© Omniflex 2021
4
ELECTRICAL INSTALLATION
4.1
Introduction
All electrical connections to the Omni8/16C are made on the rear of the unit on plug-in terminals provided (refer
to Figure 2-4 and Figure 2-6).
The following general block diagrams provide an overview of the connections required.
Not all products in the range have all the facilities shown. These connections are described individually in more
detail later in this section.
4.2
Omni8C Block Diagram
Figure 4-1 – Omni8C Annunciator Block Diagram showing Terminal Numbers
16
15
A
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
C
18
17
D
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
16
15
B
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
P
O
T
E
N
T
IA
L
F
R
E
E
C
O
N
T
A
C
T
I
N
P
U
T
S
COM
RES
ACK
SIL
TST
INH
FS
FO
R
L
1
(W
D
)
R
L
2
(H
o
rn
)
R
L
3
(G
A
1
)
R
L
4
(G
A
2
)
P
/B
u
tt
o
n
s
E
x
p
a
n
d
Closed in normal operation
Closes to sound audible
Settable Group Alarm output
Settable Group Alarm output
Close to inhibit inputs
0V
Interconnect for Flash Sync
Interconnect to expand First Out Group
8
R
E
P
E
A
T
R
E
L
A
Y
O
U
T
P
U
T
S
(O
P
T
IO
N
A
L
)
Repeat Relay
Contact opens when
Input is in Alarm State
(Default Setting)
IP8
IP7
IP6
IP5
IP4
IP3
IP2
IP1
+24V
0V
24V IN
8A
8B
7A
7B
6A
6B
5A
5B
4A
4B
3A
3B
2A
2B
1A
1B
RR8
RR7
RR6
RR5
RR4
RR3
RR2
RR1
-
+
O
P
T
IO
N
A
L
8
C
H
A
N
N
E
L
V
O
L
T
A
G
E
I
N
P
U
T
S
-
+
-
+
-
+
-
+
-
+
-
+
-
+
