Operation Manual

10. Accessories

10.1. 24 V DC/DC Converter

The FMD55 can be operated with a DC/DC converter. This

offers the following advantages:

x input voltage range 9V to 36V

x constant output voltage 12.5V

This means that the FMD55 can be operated by 12V and 24V

batteries. The DC/DC converter has an integrated filter,

which suppresses interference from the ship's voltage supply

and offers additionally, a galvanic separation between the

power supply and the unit. (An advantage for aluminium

hulls).

Two versions can be supplied:

a) M5X-DC DC/DC converter for FMD55 and FMD55P,

which is fitted directly on the reverse side of the unit

b) DC936-12 DC/DC converter in a separate casing. This

unit can be installed near the unit

Both converters have integrated IN/OUT filters to suppress

noise and ray interference.