Page 9
For Technical Support - Please Call 1-800-338-7337
or visit
www.soundoffsignal.com
500 Series Control System and Siren Amplifier
ENGSA5(xxxSx)
Rev. D - 07/2021
1
1
1
1
5
5
5
4
4
4
8
8
8
3
1
Main Power Input - Pass through to internal power lug*
75A Max
* Connec�on is on the inside of the amplifier. See page 3 for more detail
*** Relay input is selectable between internal power and external source. See page 4
for more details.
** If running a posi�ve horn ring signal with more than 5A of draw, we recommend an
external horn ring transfer relay. See pages 4 and 11 for more informa�on.
† Connector terminals were changed from �n to gold at Jxxxxx. Do not mix alloy types.
**** Relay input is selectable between internal power and external source. See page 4
for more details.
1
Blue
Relay Slide 1
20A
2
Green
Relay Slide 2
20A
3
Yellow
Relay Slide 3
20A
1
Green / Black
Relay 3 - Ext. - Horn Ring Output**
5A
2
Green / White
Relay 3 - Ext. - Horn Ring Input**
5A
3
Green
Lightbar Bus Channel 2 - Internal B.O.B.
-
4
White
Output 15
5A
5
Blue
Output 11
▲
(Diode Isolated)
5A
6
Brown
Output 12
♦
(Inrush)
10A
7
Yellow
Output 13
5A
8
Orange
Output 14
10A
1
Green / Black
Relay 1 - Normally Open
10A
2
Green / White
Relay 1 - Normally Closed
10A
3
Green
Relay 1 - External Input***
10A
4
White
Output 5
5A
5
Blue
Output 1
▲
(Diode Isolated)
5A
6
Brown
Output 2
♦
(Inrush)
10A
7
Yellow
Output 3
5A
8
Orange
Output 4
10A
1
Green / Black
Relay 2 - Normally Open
10A
2
Green / White
Relay 2 - Normally Closed
10A
3
Green
Relay 2 - External Input****
10A
4
White
Output 10
5A
5
Blue
Output 6
▲
(Diode Isolated)
5A
6
Brown
Output 7
♦
(Inrush)
10A
7
Yellow
Output 8
5A
8
Orange
Output 9
10A
1
RJ-45
Lightbar Bus Channel 1 - Internal or External B.O.B.
C
N
1
C
N
2
†
C
N
3
C
N
4
C
N
6
C
N
5
S
CHEMATICS
= Diode Isolated
= Inrush
▲
♦
