Find the right PLC controller for each specific application may seem complicated, but let's look at some tools to make the process easier.
The most important aspect is to focus your decisions on your real needs, but always taking into account possible future extensions. The first characteristics you should consider are the following:
Device type (PLC / Panel PC for industrial automation)
Number and type of I/Os
Basics about digital inputs of an industrial controller
Basics about digital outputs of an industrial PLC
First configuration with an industrial Panel PC
First, you have to click on Products > Configurator: