input
A signal that comes into the PLC from a device, such as a button, a switch or a sensor. The logic reads it; it never writes it.
Learn it in a lesson
- The PLC scan cycleBeginner · 20 min
- OR: either switch will doBeginner · 15 min
A signal that comes into the PLC from a device, such as a button, a switch or a sensor. The logic reads it; it never writes it.