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2.3 AC-DC Power Supply Unit PR-850A (Option)
When connecting to an AC and DC ship’s mains, the optional AC-DC power supply unit
PR-850A is required. Attach the crimp on lug FV5.5-S4 (local supply) to the following cables
(Japan Industrial Standard) or equivalent (local supply) for connection with the power supply
unit.
• For AC power input: DPYC-2.5
• For DC power input: DPYC-10
Wiring
Connect cables to the input terminal, using crimp-on lugs.
10 mm
Wind vinyl tape.
FV5.5-5 (Yellow)
Selection of input voltage
The input voltage is adjustable for 100/110/120/200/240 VAC, and is factory-set for 220 VAC.
To select other input voltages, open the top cover and change the wiring according to the
figure below. After changing the input voltage, correct the front panel sticker accordingly.
Front view
DC OUTPUT
(Not used, No back up)
Rear view
24VDC OUT
Output
(for back up)
(Back up DC power)
BATT IN
AC INPUT
to PSM-01
AC FAIL
AC FAIL line
When the power supply is switched to the
back-up, AC and FAIL at PR-850A are
shortened. To lower the transmitting power
to LOW2, MAIN FAILURE (TB#35) is
grounded to BK GND (TB#34) at FS-5070T.
TB Board
(05P0758)
TB
BK GND
MAIN FAILURE
35
34
FS-5070T
PR-850A
TB
3
4
PSM-01
AC
FAIL
AC
FAIL
(Short)
Power
status
monitor