PLC INFORMATION
Plc is Programmable and logical control. It is basically an electrical device which will control the whole process from its begining to end of the process.
Before PLC's relay circuits were used to automatic the system but there are some kind of drawbacks.
Plc is Programmable and logical control. It is basically an electrical device which will control the whole process from its begining to end of the process.
Before PLC's relay circuits were used to automatic the system but there are some kind of drawbacks.
- Complex wiring
- Hundreds of relay are use to automate a single process
- Error detection was very difficult.
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