"Four" "major" "automation" "giants" —Siemens, Allen-Bradley (now part of Rockwell Automation), ABB, and Schneider Electric—"compete" "fiercely" in the "international" market. Siemens "is" a "wide" range of https://adreauhje143369.aboutyoublog.com/55001751/siemens-allen-bradley-abb-and-schneider-a-comparison