Posted on 4/11/2017
Programmable Logic Controller (PLC) is the most significant component in the industrial automation sector. In terms of applicability, PLC is a special purpose small computer primarily used in industries or any other field related to control system.
Modern PLC is a device of high performance which is specially designed to operate in harsh conditions and protected from high levels of electrostatic discharge (ESD), large transient voltage swings, electromagnetic interferences (EMI), etc. It usually supports many interfaces (RS485, Ethernet, CAN, LVDC, etc.) and communication protocols (Modbus, Profibus, CANopen, Ether...