Sonardyne Lodestar - 4.3 Electrical and Environmental Specs; 4.3 Electrical; 4.4 Environmental; 4.5 Performance Specifications

Lodestar Hardware
Manual
Document Ref: UM-8084-
101
Issue: A– Rev
8
© Sonardyne International Limited 201
3
23
4.3 Electrical
Electrical power requirement
110 / 240 VAC 50 / 60 Hz (for use
with the surface version of Lodestar
only), or
24 or 48
VDC (for use with the
surface or the subsea
versions of
Lodestar)
Power demand
15 watts nominal, 20 watts maximum
Backup battery type
Lithium-ion rechargeable
Backup battery support
Up to 2 hours from a fully-charged
condition
Data storage
8 GB on-board RAM
Data Interface
Number of digital ports
4
Protocol
RS232 OR RS485
Ethernet
Single 100BaseT Ethernet port
Analogue Output
Range ± 10 V
Resolution 12 bit
Minimum load 10 kΩ / 30 nF
4.4 Environmental
Mechanical:
Surface
Aluminium casing (powder coated)
Subsea
Anodised aluminium (1000 & 3000 m)
Super Duplex Stainless Steel (5000 m)
Ingress:
Surface
IP66
Subsea
1000, 3000 or 5000 metres depth rated
Operating temperature
–10°C to +55°C (14°F to 131°F)
Humidity
Surface Version
0-90% RH non-condensing
Shock rating
(operational)
22g, 11 ms half-sine
4.5 Performance
Heading
Range
0.00° to 359.99°
Accuracy
0.04° secant latitude rms
Settling time
Better than 5 minutes when stationary
Follow-up speed
500° per second
Resolution
0.01°