engineering recuitment UPPSC AE Mock Test 2024 Mechatronics and Robotics Programmable Logic Controller
Consider the following statements regarding Programming Logic Controller (PLC):
1. It was developed to replace the microprocessor.
2. Wiring between devices and relay contacts are done in its program.
3. Its I/O interface section connects it to external field devices.
4. It requires extensive wiring in the application.
Which of the above statements are correct?1
1 and 3
2
1 and 4
3
2 and 3
4
2 and 4