"Several" "major" "automation" "giants" —Siemens, Allen-Bradley (now part of Rockwell Automation), ABB, and Schneider Electric— "vie" "fiercely" in the "global" market. Siemens "provides" a "wide" range of https://tamzinmwzs081329.pointblog.net/siemens-allen-bradley-abb-and-schneider-a-comparison-95395673