Encoder Interface 1057_3B

Any hardware type questions or problems for all other Phidget devices.
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TimD
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Encoder Interface 1057_3B

Post by TimD »

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.
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mparadis
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Re: Encoder Interface 1057_3B

Post by mparadis »

Change trigger is the minimum threshold of change required before an event is fired. The default value is zero, meaning you'll always get a position change event, even if the encoder hasn't moved. If you set the change trigger to 200, you won't get a change event until the encoder has moved by 200 or more ticks from its starting position or the last event it fired.

DataInterval/DataRate controls how often the device fires events. If you set the DataInterval to 8, you'll get a change event every 8ms.
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