KW920-SV Current Loop Converter
The interface converts NMEA 0183 data from navigation instruments or sensors such as echo sounder & log into a 4 to 20 mA current loop. This is a recognised industrial standard commonly used to drive analogue indicators, data loggers, chart recorders and engine control systems. Voltages +/-10 volts dc and other variants are also used.
The interface can output: –
- 4-20 mA or
- +/-10 volts or
- +/-5v or 0 to+5 volts
|Input||NMEA 0183, RS422 or RS232 via opto isolated channel.|
|4-20 mA||Output:- Max voltage 10 volts so 500 ohms is the highest value load.|
|Output||Accuracy is typically better than 1%.
The current goes to zero if there is no input data.
Isolated from power, data and ground
|Voltage Output||+/- 10 volts for future options.
10K load minimum.
|Data Outpu||NMEA 0183 for monitoring & test. Bi-colour status LED.|
|Power||9 to 28 volts DC at less than 200 mA.|
|Housing||Diecast box 222 x 146 x 55 mm.
Fitted with cable glands.
Removable terminal blocks on the PCB.
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