Why Use Normally-Closed Contact for Stop Buttons?
The main advantage of using normally-closed contact for stop buttons is to detect the wire breaks in the electrical circuits.
The main advantage of using normally-closed contact for stop buttons is to detect the wire breaks in the electrical circuits.
Perhaps the most confusing aspect of discrete sensors is the definition of a sensor’s normal status. Electrical switch contacts are
This article teach you how-to use normally-open and normally-closed for inputs in PLC program. Why PLC uses Normally-Closed contacts for Stop Buttons?