Edwards Signaling EBPS Remote Booster Power Supply User Manual
Page 58
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Remote Booster Power Supply Technical Reference Manual
Conventional split mode circuit with fault tolerance
notification
Figure 36: Conventional split mode circuit with fault tolerance notification
V
(13)
(13)
(2)
VA
VA
VA
VA
V
A
V
A
VA
VA
V
VA
VA
VA
VA
V
A
V
A
VA
VA
(1)
(5)
(6)
BPS
(9)
(10)
(11)
(12)
(7)
(8)
V/A
V/A
(3)
(4)
(5)
(6)
BPS
(9)
(10)
(11)
(12)
(7)
(8)
(5)
(6)
BPS
(9)
(10)
(11)
(12)
(7)
(8)
Legend
(1) Primary visible or audible circuit,
(2) To next BPS, or EOL resistor
(3) To next BPS, or EOL resistor
(4) Secondary visible or audible circuit
(5) Sense 1
(6) Sense 2
(7) Mode: COR
(8) NACs:
SF
(9) NAC1
(10) NAC 2
(11) NAC 3
(12) NAC 4
(13) To next device or EOL resistor
Notes
•
The maximum number of BPSs that can be connected on a single NAC from sense circuit to
sense circuit is limited by available current and wire run length.
•
Fault tolerance can be increased by using Class A wiring.
DIP switch settings for this application
BPS DIP switches can be set this way for the application to work correctly. Refer
to “Setting the DIP switches” for other options.
Figure 37: Switch settings
SW1
SW2
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8