Kongsberg EA640, Installation Manual

Page: 13 / 94

413764/B
13
Installation requirements
Topics
Supply power requirements, page 13
Cables and wiring requirements, page 13
Compass deviation requirements, page 14
Noise sources, page 14
Supply power requirements
Observe the general requirements related to the supply power.
The supply voltage to the equipment must kept within ±10% of the installation’s nominal
voltage.
Maximum transient voltage variations on the main switchboard’s bus-bars are not to
exceed -15% to +20% of the nominal voltage (except under fault conditions).
•
Make and model
: Kongsberg WBT
•
Voltage requirement
: 12 – 15 VDC, 5A
•
Power supply
:
–
Voltage requirement
: 115/230 VAC, 47 to 63 Hz, single phase, nominal
–
Maximum voltage deviation
: 15%
–
Maximum transient
: 20% of nominal voltage, recovery time 3 s
–
Power consumption
: 100 VA (Approximately)
Cables and wiring requirements
Correct wiring is crucial for the operational performance of the EA640.
All cables running between system cabinets located in different rooms and/or on different
decks must be supported and protected along their entire lengths using conduits and/or
cable trays. Note that the cables must not be installed in the vicinity of high-power
supplies and cables, antenna cables or other possible sources of interference.
All transducer cables must be run in steel conduits.
For more detailed information about cables and wiring, refer to the basic cable
requirements.
EA640