SPS Magazin  - Ausgabe 4, April 2019 

2.5.2019 - Bericht über das SPS Schulungssystem Lab4PLC im  SPS Magazin 
Rubrik "Aus- und Weiterbildung"

Link zum online Artikel:

17.02.2018 - All Controllino freely programmable PLCs are also supported by our Lab4PLC Trainer.

CONTROLLINO is an industry ready, freely programmable PLC. It is based on Arduino Open Source Software Technology. It can virtually serve any controlling, automation and data-logging purpose for you. In recent years, CONTROLLINO became the preferred Arduino-PLC choice not just for Makers, but also for Professionals!
Details about Controllino can be found here:

Lab4PLC Mini mit Controllino