Calrec OMEGA, Руководство по установке

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22 Omega
with Bluefin
pOwer supply & dIstrIbutIOn unIt
D
2
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4
V
ZH5527 PSU RACK
P
O
W
E
R
3
D
V
-S
P
O
W
E
R
3
D
V
-S POWER
AC
POWER
AC
POWER
AC
Front
Rear
This 3U rack is used to provide
power to the control surface and dig-
ital components in the system. The
rack can hold up to 3 identical plug-in
power supply units. The number of
plug-in PSU’s required in the rack is
dependant upon the distance be-
tween console and rack, and the “hot
spare” requirement.
Plug-in Units
Each unit has separate AC power inputs
via IEC 950 filtered inlets at the rear of
the rack. The DC outputs are combined
on the backplane. The maximum output
power from each plug-in unit is 600 W.
Hot Swapping
The units can be “hot swapped” providing
there is enough output power remaining to
drive the load. Each unit has a bargraph to
indicate the output power demand.
Auxiliary Power
Two 24 V Auxiliary outputs are provided
via resetable 10 A current trips with LED
status indication on the front panel. These
could be used for a MADI unit or a Hydra
networking interface unit for example.
Fan Cooling
The rack is fan cooled with fans mounted
in the front of each PSU. The warm air is
directed out of the sides of the rack.
To ensure proper cooling, there
must be a minimum clearance of
two inches (50 mm) from the fans
and side air outlets The maximum
operating ambient temperature is
35 ºC.
Power Monitoring & Distribution
In addition to supplying the console and
digital rack components of the system
with power, the Bulk Power Supply and
Distribution Unit gathers and distributes
the multiple rails (from external power
units) required for any analog I/O cards.
All the system power rails and fan speed
monitoring is gathered here before being
sent to the console. Should a fault occur,
a warning light will flash on the console
and a diagnostic message will appear on
the front end AWACS (Automatic Warning
And Correction System) screen.
The unit also includes a front-mounted
reset button for the Processing rack.
Bulk PSU Rack Fan Noise
(dB SPL A-Weighted)
These measurements were taken on axis at
1 metre from the dominant noise source:
1 x 24V 600W PSU 42dBA
2 x 24V 600W PSU 45dBA
3 x 24V 600W PSU 47dBA
4 x 24V 600W PSU 48dBA
5 x 24V 600W PSU 49dBA
6 x 24V 600W PSU 50dBA
100 %
80 %
60 %
40 %
20 %
FAN
DCG
OK
ZN5526
24V PSU
ZH5527
2
1
AUXILARY
24V OUTPUTS
RW5537
RESET RACK
100 %
80 %
60 %
40 %
20 %
FAN
DCG
OK
100 %
80 %
60 %
40 %
20 %
FAN
DCG
OK
ZN5526
24V PSU
ZN5526
24V PSU