What is the difference between a normally open and a normally closed proximity switch?
A. A normally open switch is closed when an object is detected, while a normally closed switch is open when an object is detected.
B. A normally open switch is open when an object is detected, while a normally closed switch is closed when an object is detected.
C. There is no difference between a normally open and normally closed switch.
D. A normally open switch is used for detecting metallic objects, while a normally closed switch is used for non-metallic objects.
Answer:A
What is the difference between a normally open and a normally closed proximity switch?
A. A normally open switch is closed when an object is detected, while a normally closed switch is open when an object is detected. B. A normally open switch is open when an object is detected, while a normally closed switch is closed when an object is detected. C. There is no difference between a normally open and normally closed switch. D. A normally open switch is used for detecting metallic objects, while a normally closed switch is used for non-metallic objects.
Explanation: The difference between a normally open and a normally closed proximity switch is in their default state. A normally open switch is open when no object is detected, and closes when an object is detected. A normally closed switch is closed when no object is detected, and opens when an object is detected.