1.

What Are The Advantages Of Plc Over Relays?

Answer»

1. They have to be hard-wired to perform a specific function
2. No hard-wire REQUIREMENT
3. When the SYSTEM requirement change, the RELAY wiring has to be changed or modified
4. Can be easily changed or EXPANDED through program
5. Higher power consumption
6. Lower power consumption

1. They have to be hard-wired to perform a specific function
2. No hard-wire requirement
3. When the system requirement change, the relay wiring has to be changed or modified
4. Can be easily changed or expanded through program
5. Higher power consumption
6. Lower power consumption


Discussion

No Comment Found

Related InterviewSolutions