How does a PLC differ from a traditional hardwired control system?
A. PLCs use software programming instead of physical wiring.
B. PLCs can only be used in industrial applications.
C. PLCs are more expensive than traditional hardwired control systems.
D. PLCs are less reliable than traditional hardwired control systems.
Answer:A
How does a PLC differ from a traditional hardwired control system?
A. PLCs use software programming instead of physical wiring. B. PLCs can only be used in industrial applications. C. PLCs are more expensive than traditional hardwired control systems. D. PLCs are less reliable than traditional hardwired control systems.
Explanation: One of the main differences between a PLC and a traditional hardwired control system is that PLCs use software programming instead of physical wiring to control the system. This allows for greater flexibility and ease of modification.