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X948 NMEA to Stepper Interface – 48 Steps Per Degree

SKU: INT-0012

X948 – 48 STEP PER DEGREE RETRANSMISSION UNIT

The X948 interface converts serial heading data from a modern gyro to a 48 step per degree signal. Applications include refitting a ship with a new gyro, whilst retaining the existing repeaters. Applicable gyro types are earlier C Plath and Anschutz gyro s. Typical repeaters take no more than 0.8 amps per step. The X948 provides a high voltage to rotate the repeaters and then gives a low (RMS) voltage to hold a position at a low current.

HEADING INPUTS

All valid NMEA 0183 heading sentences, which most modern gyros and GPS heading sensors etc. provide as standard.

X948 - 48 Step Per Degree Retransmission Unit

SPECIFICATIONS

INPUT:NMEA 0183. All valid heading sentences. 4800 baud.

One or two decimal places (or more) are accepted.

OUTPUT:

 

Drive for 2 pole stepper motors. Maximum current 8 Amps total.

24 volts DC for illumination. 6 pin connectors.

Rotation (follow-up) rate. 5 or 10 degrees per second. Adjustable by jumper.

ALARM RELAY:

 

Low power single pole change over relay to switch an independent external audible and visual alarm. (not supplied)
POWER:

 

24 volts DC at 0.2 to 6 Amps depending on load. Auto-reset fuse on the removal of power.
CONNECTIONS:Pluggable terminal blocks.
ENCLOSURE:300 x 250 x 155 mm.
APPROVALS:IEC60945

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By AMI Marine Ltd

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X948 Data Sheet

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