Manual

Manual No. 4801-3001 Rev 7-08 Secondary Sensing System Expansion 28 of 46
13.2 Setting Address Switches & LED’s on PCB 168 Stage Board
LOCAL NET ADDRESS
SWX 1
ON
1 2 3
Inset A
Inset A
PCB 168
Inset B: Light Emitting Diode (LED) Indicators
POWER Status LED
ORANGE Backup Power Supply &
Main Controller Power
Supply Both Connected.
RED Main Power Supply Lost
GREEN Backup Power Supply Lost
Relay Power STATUS LED
Always
RED
If this LED is not lit then all
power has been lost.
LOCAL NET ADDRESS
Local addresses are assigned by setting a series of three DIP switches on the PCB 168 circuit board. There are
three switches that can be set as shown in the above table. For example, if all three DIP switches are set to
"ON", the Stages are 1 through 16.
DIP Switch Settings
Stage
Address
Assignment
No. 1 No. 2 No. 3
ON ON ON
1 -16
OFF ON ON
17-32
ON OFF ON
33-48
OFF OFF ON
49-64
When the Green Stage LED’s are
ON, PCB168 is sending power to
the Specific Stage Relay Boards.
Inset B