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Our positional servo incorporates a rotary potentiometer which is connected to the gearbox output shaft to provide an analogue reference signal directly proportional to the shaft position. The potentiometer will monitor its position for an indefinite period even without power. A variety of potentiometer options are available to provide the choice of single or multi-turn operation with a rotational life of 10 million turns. The feedback potentiometer is coupled directly to the output shaft via a backlash-free coupling offering single turn accuracy of around 3.6°; resolution is only limited by your electronics. The multi-turn potentiometer has a slip feature to prevent damage when reaching an end stop. |
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