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DMD SCU
Input of the SCU
30V-55V
3.3A
Output of SCU
42.5V
2.5A
Output of External AC/DC PSU
S12445
*
*subject to change
48V
3.13A
Internal Batteries (x2)
Capacity 5500mAh \ Energy 198Wh
Charging Instructions
The internal batteries will automatically charge with the application of input power. The battery charging will
occur regardless of the SCU power button being in the ON or OFF position. A full charge cycle will take 5
hours.
Charging Status LED (Amber)
Will be illuminated during the charge cycle of the internal batteries.
The LED will be OFF when the batteries are fully charged.
Charging Warning LED (Red)
Will be illuminated if the charge cycle is paused due to the temperature
of the batteries being outside their charging temperature range
of 0°C to 45°C or if a battery fault is detected.
Battery Charge Status during operation
During SCU operation, the charge status (%) of the batteries is provided to Genesis
software.
Comms
Connect a Toughbook USB port to the SCU COMMS port at the back panel via a
USB (A-type) to USB (B-type) cable.
Comms LED (Green)
This indicates communication activity between the SCU and the DMD system below
the water (subsea computer).
Diver Audio
Pass through of 2 wire diver coms to a separate diver coms box (not provided)
F1 F2
The shipping fuses should be removed to isolate the batteries for air transportation.
Shipping Fuses re-instatement
Following the re-instatement of the shipping fuses, the charge status (%) reported to Genesis will be
incorrect until the batteries are fully charged or fully discharged.
