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Modular encoders overcome the limitations

01 March, 2002

Modular encoders overcome the limitations

A US encoder manufacturer claims to have overcome most of the problems associated with modular encoders.

Although motor manufacturers like the modular devices because of their small size and the ease with which they can be incorporated in motor designs, there are also drawbacks. The encoders are usually tricky and time-consuming to install, and must be fitted by trained technicians. They are often difficult to calibrate and do not have a particularly good reputation for reliability.

Now, the Idaho-based Encoder Products Company (EPC) claims to have solved these problems with a tough, new patent-pending design. Its Model 121 self-centring modular encoder needs no gapping, calibration or special tools to install. It is fitted in two steps - tightening a shaft clamp, and then installing mounting screws.

According to EPC, the encoder has an all-metal construction that will not warp or deflect, unlike some non-metallic designs. Models are available in versions up to 12 poles, for use at temperatures up to 100°C.

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