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Adsolute Encoder to Unistream

Jose Gilberto

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  • MVP 2023

That encoder has 8 data lines - you use digital input (not a high speed) module with npn inputs and decode the Gray code it outputs in your logic.

Unitronics does not have a built-in Gray Code decoder function that I'm aware of.  Here's link on how convert 4 bit Gray Code to binary-


You can extrapolate this to handle 8 bits, and then use the Bits to Num function to turn that into a value.

What is your application that you need an absolute encoder?

Joe T.

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