Labview velocity PID

[mhsrobotics3616]

Originally Posted by Ether

You can use the output of the joystick as the setpoint, and the encoder signal as your process variable (feedback).

that's what confuses me. because joystick output would give me a setpoint between +- 100, how does the encoder correspond to that. because if i gave it encoder value as the feedback wouldn't that make it think that the motors power was what ever the encoder value was which could be 0-infinity.