A programmable logic controller (PLC) is a small, sturdy industrial computer designed for the control of automated industrial processes and machines. PLC’s are used almost everywhere. They are most frequently used in factories and industrial plants to control pumps, motors, lights, circuit breakers, fans, and other machinery. In everyday life, these controllers are utilized in elevators, automatic car washes, traffic signals, amusement park rides, or any activity that requires high reliability, ease of programming, and process fault diagnosis.
PLCs can range from small modular devices with tens of inputs and outputs (I/O), in a housing integral with the processor, to large rack-mounted modular devices with thousands of I/O, which are often networked to other PLC and SCADA systems.
Siemens makes several PLC product lines in the SIMATIC S7 family. They are S7-200, S7-300, S7-1200, and S7-1500. Siemens Step 7 is a powerful integrated software solution for automation and includes the programming environment for Siemens programmable logic controllers (PLCs). For any kind of requirements feel free to contact us regarding the supply & programming of PLC.