Digital Valve Controller DVC6200 Not Responding Correctly to Output


Thread Starter


DVC6200 positioner is only giving output to close and open valve no midrange control. eg. 50% input, it open 100%. it is a new positioner. at the end the positioner quit altogether, no output regardless of the input. I did not install it, I was just tasked to test it.

what could be the reason for this problem? pls help.
Is the positioner actually attached to a control valve? If you are testing a positioner without actual valve position feedback, like any PI controller, it will drive to full scale 100% output..