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Using the USB-QUAD08 to read encoders at 1k Hz or more


Tanmay Parikh

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Hi All,

I am working on an application that requires me to read the current position of upto 6 encoders at a minimum sample rate of 1000Hz (or every 1ms) to track the movement of joints. I am considering using the USB-QUAD08 but I am unable to find any benchmarks in the documentation regarding how fast one single read takes using either ulCIn or scanning continuously using ulCInScan.

If I were to start scanning using ulCInScan(daqDeviceHandle, 0, 6, 1, 6000, scanOptions, flags, buffer); would I expect to get a new counter measurement for all 6 encoders every millisecond?

Edited by Tanmay Parikh
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