The main advantage of using normally-closed contact for stop buttons is to detect the wire breaks in the electrical circuits.
This article teach you how-to use normally-open and normally-closed for inputs in PLC program. Why PLC uses Normally-Closed contacts for…
We discuss concepts of Sink or Source used in electrical circuits or in PLC wiring. Also we deal with basics…
Overview Learn about switch basics, including the pole and throws naming convention, normally open (NO) and normally closed (NC) terminology,…
