![]() ![]() This project, as well as other NI SoftMotion sample projects, can be accessed by creating a new project from the LabVIEW splash screen when the NI SoftMotion module is installed and activated*. The screenshot below shows the encoder loop from the top-level FPGA VI in the NI 9502 Brushless Servo Position Setpoint sample project. Using hardware such as the NI 950x C Series Drive Modules which allow for direct connection to a compatible motor, the FPGA bitfile can be customized to accept absolute encoder feedback by changing the feedback loop, which is a quadrature encoder decoder in the examples. NI SoftMotion UDV axes allow the implementation of control loops, feedback, and I/O to be customized on the FPGA. Using Absolute Encoders with a SoftMotion User Defined Variable (UDV) Axis While NI SoftMotion's examples and the NI 951x C Series Drive Interface Modules only natively support incremental quadrature encoders, there are two methods of using an absolute encoder with your NI SoftMotion application.
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