Looking for Siemens PLCs? At RS, we offer a wide range of top industry PLCs from Siemens. PLCs, which you may know as Programmable Logic Controllers, are industrial digital computers that have been designed for the control and automation of manufacturing processes or robotic devices.

Siemens PLC's are used where reliability control, simple programming and fault diagnosis are needed. A CPU (Central Processing Unit) forms part of the PLC system. PLC CPUs are a microprocessor-based control system that act as the electronic circuitry within an industrial computer. They are usually built-in carry out instructions from the computer program via programming languages, performing basic mathematical, logical, control, input and output operations.

You'll need a PLC for applications such as traffic light controls, packaging machines, lifts and escalators, heating control systems and pretty much any kind of automating system that has been installed within an industrial or commercial environment.

Choose from our range of Siemens PLC's, Siemens is a global leading brand that is a focused technology company, they create technology that empowers customers to positively transform industries. From more resource-efficient factories, resilient supply chains, and smarter buildings and grids, to cleaner and more comfortable transportation as well as advanced healthcare, Siemens creates technology with purpose, adding real value for customers. You can find out more about Siemens SIMATIC PLCs and accessories in our helpful guide here.