WorkHorse Mariner ADCP User's Guide
P/N 957-6169-00 (April 2005) page 7
to remove ADCP (Ship) motion from the data. The output from the J28
deck box connector is a serial data string of gyro heading, pitch, and roll.
The format of this string is: $PRDID,±ppp.pp,±rrr.rr,hhh.hh (where p is
pitch, r is roll, and h is heading; all scaled in decimal degrees).
AC Power Input – The deck box accepts input voltages of 98-264 VAC, 50-
60Hz (J27). This input voltage will be converted to 48 VDC. This is the
voltage supplied to the ADCP.
DC 12-Volt Input – Use a 12 VDC car battery (J26) when AC power is not
available. The deck box converts the voltage to 48 VDC. This is the volt-
age supplied to the ADCP. Use the largest rated amp-hour battery as possi-
ble. A car battery should last one to two days powering a 1200-kHz ADCP.
DC 20 to 50 Volt Input – If you are using an external DC power supply con-
nected to the deck box on J25 (20 to 50 VDC, 3.0 A), the voltage from the
external power supply is sent directly to the ADCP. This is useful if you
want to increase (higher voltage level) or decrease (lower voltage level) the
range of the ADCP. The current requirement for the power supply is listed
as a reference. Using a lesser-rated power supply can cause the voltage
level to drop. The ADCP will draw only the current it needs.
Figure 4. Deck Box (Rear View)
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