Quote Originally Posted by MartinS View Post
Hi Frank,
Done. PLC reacts. In the "State" colum the percentage repeats running from 1% to 19% and down. The filter isn't impressed...
you should consider that the filter is only able to change the speed in steps - a change between 1 ... 19% may just not be recognized

for testing: just change the range to 1% ... 100%, 1 minute, and watch what happens