Beckify Electrical Engineering Toolbox
PLC Timer Preset
TON/TOF/RTO preset counts from a desired time at 1 ms, 10 ms, 100 ms, 1 s, custom, or scan-time timebases — and the reverse. Visible math. Not a timing-chart IDE.
About this calculator
Use this free browser-based calculator to work through the relevant electrical inputs, review the result, and compare it with field conditions.
For design, installation, or safety decisions, verify assumptions against the applicable code edition, equipment documentation, and site requirements.
Open the interactive tool