Nera Saturn BM Marine, Installation Manual

Page: 38 / 56

38
Installation Manual
Saturn Bm
POWER SUPPLY
+ –
OUTPUT
28 VDC
(24 VDC)
Grounding: See Installation:
“Location and grounding of units”
To
common
ground
fuse
C2
C3
F1
F1 MAINS
1
-
2
+
Battery
Battery
1
-
2
+
C2
C3
F1
C2
C3
F1
F1 MAINS
P 4 P 3
P6
P5
P1
P2
TB3
TB2
TB1
INPUT
Battery Backup
24 V
– +
Mains INPUT
230 VAC +/– 20 %
47 – 400 Hz
OUTPUT
to MCU
– +
MCU
QRPM 91
1 026
or QRPM 91
1 099
OUTPUT
to MCU
Mains INPUT
Battery
Backup
INPUT
Ship’s 24 VDC
Ship’s 24 VDC
Battery backup cable should be
connected to ship’s 24 VDC supply
with fuse 16 Amp at source end.
Use a screened cable.
Max. cable length/6 mm
2
cable: 35 m
fuse
Power Supply QUFC 911 903-2B for DC supply to MCU only