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how to program FPGA for NI 9503 SMD module

I have to run a stepper motor using NI 9503 stepper drive module in cRIO-9063. I've tried in ON/OFF signal to the two phases (A,B). In this method I can run the motor in one direction but I can't able to change the direction of the motor. Please help me to sort out this problem.

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Have you installed NI softmotion?

You will require it for advanced motion control. You cannot entirely control with FPGA.

CLD Using LabVIEW since 2013
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