Tag Archives: electronics

Textual Ladder Logic Notation with Unicode Box-Drawing Characters

I recently completed a simple PLC project and wanted a way to document the ladder program only using text. Here’s what I came up with for a simple PLC where each program element can be represented with 3 characters: ┌001─002─003─004─005─006┐ ┌NOTES───────────────────────────────────────────┐ 001├─I1─────────────────∫Q1┤ │Button pushes at I1 toggles light at Q1 │ 002├─I2─────────────────∫Q2┤ │Button pushes at… Read More »