Siemens Simatic S7-1200
Siemens S7-1200 Series is a compact DIN-rail PLC you stock for small machines: click in a CPU 121x, add up to eight I/O or communication modules, plug signal boards for high-speed counting or analog trim; built-in PROFINET, web server and motion axes let you program, diagnose and control drives with one cable, while the SD card slot and panel LEDs give you firmware backup and status at a glance.