KW910-M Synchro Interface

Product Description

The interface converts synchro transmission to NMEA 0183 or IEC 61162 data. Applications include
  • Gyro compass for radar, ECDIS and heading displays.
  • Rudder Sensor Angle used with a VDR.
  • Telegraph, pitch, rudder demand;
    The “XDR” sentence can be used for many synchro systems.
  • Wind speed and direction
  • Log speed

The interface is a precision device, and does not require alignment in the 1:1 mode. The interface can convert gyro ratios such as 90:1. A DIP switch selects reference voltages over the range of 40 to 220 and signals from 40 to 90. The function & choice of data output is set by a 2nd DIP switch.

KW 909

Synchro 40 to 550 Hz. Reference 40 to 220v. Phases 40 to 90 volts.
Loading resistors 91K to 270K ohm per phase. 22K reference.
The phases have a common connection at centre of the three phase scaling resistors to the power input 0v. Reference input is isolated by transformer.
We can supply KW910’s for voltages outside the range mentioned and for extreme precision.
Conversion 12 bits, 0.1 degrees.+/- 0.5 degrees. Conversion rate 40 per second.
Input2 NMEA 0183 port. 4800 baud.
Gyro option: Programmed for all NMEA heading sentences input.
Rudder Sensor Angle option: Input a 2nd rudder angle (or rudder demand)
Wind option: Use a 2nd interface to input speed or direction.
XDR option: A second transducer value can be input.
Output 5v CMOS 5 mA via 47 ohms. NMEA 0183, RS422, RS232 compatible.
Data is 4800 baud NMEA 0183 format, plus an Anschutz Coursebus option.
Generally 1 per second. Refer to option list.
Gyro options: $HEHDT, $HEROT, $HCHCC, $HCHDM.
Rudder sensor angle: $ERRSA
Wind option: $WIMWV. The interface outputs wind speed OR direction.
XDR option: $ERXDR
Cable Entry Glands for 7 mm diameter cables.
Power 9-32 Volts DC at 0.2 Amps.
Housing Duck Egg blue diecast box 222 x 155 x 55 mm for indoor bulkhead mounting.
Features LEDs on data in and out and bicolour status led.
Connections are lift-off terminal blocks.

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