Posted 22 Mar 2016 FC1 Two hand anti tie down View File Logic takes two inputs (I0.0, I0.1), debounces each (T0, T1), looks for actuation during a timed period (T2), and provides validation (M20.0). This logic is not designed, nor intended, to replace the use of any OSHA required two-hand safety control relay. It is provided for the sole purpose of it's educational value. Submitter pop29684 Submitted 03/22/16 Category PLC Sample Code Share this post Link to post Share on other sites