Encoder to lose the County

I have a number of lines of 1000 encoder incremental quadrature on current motor continuous and he seem to lose count when measuring angle with the PXI - 6259 M - series DAQ, LabVIEW 8.5 on a target system in real time (running at the rate of 5000Hz loop)

I use a digital differntial US to simple converter over to connect it to the BNC-2120 (PFI 8/9 for channels A and B, 5 v supply and mass).

Counsel for troubleshooting? Also where should the code I be the multiplication of reduction?

Search the forum but haven't had much luck. (See attached for measurement vi).

Thanks for the help.

Hi V_Jain,

A good place to start is to use an example of delivery in help > find examples.  Once you open, make sure that you select the Browse in the upper left corner tab, and then double-click the hardware input and output > DAQmx > Counter measures > Position > measurement Position.vi.  These examples are proven examples that are usually a good starting point for any program.  This code will give you a good idea if your hardware is working properly.  In addition, the gear ratio can be incorporated after reading (change your data in a multiple).

Tags: NI Hardware

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