Indicators of the RSA-series have been especially designed for rudder angle indication. Types RSA-3 thru RSA-7 are based on the same servomotor principle (RSM-4) and require only an external potentiometer as well as a 24VDC supply voltage to make them operational. The RSA-9 and RSA-10 are cost reduced versions of the RSA-7 and RSA-4 respectively.
Kwant Controls also supplies a matching signal transmitter mounted in a rugged housing, the RSG.-1 which can be linked to the rudder machine by means of a sprocket and chain connection. A combination of the RSG-1 and one (or more) of the RSA indicators together form a reliable rudder angle indication system that will last for many years without any maintenance. Diagrams have been added to show some of the possible system set-up’s. In case a panel indicator with a 4-20mA signal input is required, an indicator of the ISI family should be used. These indicators offer galvanic isolation of the input signal and power supply. Please refer to the ISI datasheet for further information.
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