I have this encoder interface working but the user guide does not explain what the two fields Data Rate/Frequency and Change Trigger do. The guide on the website seems to be for an older version of the interface. Please advise. Thx.

I'm thinking of using this encoder on a project that requires high resolution. The spec says 500 cpr (cycles per rev?). Is that per channel? As the encoder has two channels (A & B) and I'm using a (non Phidget) quadrature interface on a dc motor control board, does that mean I have an angular re...