How does plc work exactly?
Microprocessor is the heart of any computer,it is also called as processor, or CPU. After reading the input signal, the CPU follows the instructions, that a programmer or operator has stored in the PLC’s memory. When the PLC is running and following the programmer’s instructions, it is called as solving the program.
Is there a need for future growth?
A PLC can easily accept a new module in a slot or get an expansion base.