SIMRAD JD51 Junction Unit Two NMEA 0183 input and output ports. Supplies 10 Hz heading output from Tx. port 2. Radar clock/data interface, External alarm, System select Autopilot/Main steering. Steering commands provided through solid state switching of two independent sets of directional solenoid valves. 110 V DC, 1 A
The JD51 is 110V DC, 1A
The Plus System is made for steering gears with dual analog control or direct operation of dual directional valves.
The JD5X units contain the steering computer and interface circuits to all system components. Depending on model it contains drive circuits for directional valves or analog steering gears. The following models are available: JD50 (low DC solenoid supply), JD51 (high DC solenoid supply), JD52 (AC solenoid supply) and JD53 (analog output).