Quantum Devices Optical Encoder Black/White Wire

August 2, 2014

What’s with this black-white wire? Quantum devices QR145 and QR200 Optical Encoders feature an extra black & white-stripped wire that serves as an alternate grounding connection for the encoder. This wire is intended to be used in situations where the encoder flex mount is not case grounded.  The Black/white wire...

Preferred Wiring Methods for Optical Encoders

February 26, 2013

Following these guidelines will reduce the possibility of noise, false counts, ground loops, and other power related problems. Keep Cable lengths as short as possible The longer the cable length the more likely it is to act as an antenna and pick up unwanted noise. Keeping the lengths short reduces...

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