PLC or Programble Logic controller

PLC or programmable logic controller is a kind of mastermind of industrial processes. In fact, PLC is an industrial computer that is designed according to the required inputs and outputs in the industry and is able to perform the usual tasks in industrial automation such as starting the engine, controlling temperature, pressure, etc. processes. In advanced examples, with the possibility of increasing the input and output channels in a modular way, in addition to the possibility of increasing the number of inputs and outputs, the possibility of communication between PLCs with the help of network cards that have their own industrial protocol such as Profibas, Modbas And .... is also. In choosing a PLC, the following should be considered

1. Number of inputs and outputs
2. Type of inputs and outputs
3. Network covered
4. Possibility to increase input and output cards
5. Suitable resources for controller software training