Ampac LoopSense - Page 31

Page 27
LOOPSENSE EN54 INSTALLATION & COMMISSIONING
Control Panel Interface
+27VDC and RS485 communication
Input Interfaces
The input provides for a +27VDC external power supply feed. In addition filtering and protection
devices are used to reject transients.
Output Interfaces
To facilitate supervision of open and short circuits and line faults when “On” a 10K End of Line
resistor is required on each output.
8-Way Dip Switch Setting
SW1 is provided to set the Module address in the range from 1 to 15.
8-Way Sounder Board Connections
Terminal
Function
1
+VE
Sounder 1
2
-VE
3
+VE
Sounder 2
4
-VE
5
+VE
Sounder 3
6
-VE
7
+VE
Sounder 4
8
-VE
9
+VE
Sounder 5
10
-VE
11
+VE
Sounder 6
12
-VE
13
+VE
Sounder 7
14
-VE
15
+VE
Sounder 8
16
-VE