Basic question about encoders

10 years 10 months ago #29528317 by infoa

I have a doubt about encoder. The connection for the supply is 14 DB15 Pin, 5V out. OK.
But, What GND point for encoder use?
1. - DB15 Pin 5
2. - Or DB15 Pin 13
3. - Or GND point of general power supply pins(12V/GND)


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