"Four" "prominent" "automation" "players"—Siemens, Allen-Bradley (now part of Rockwell Automation), ABB, and Schneider Electric—"compete" "fiercely" in the "global" market. Siemens "provides" a "broad" https://iwansucj749028.activoblog.com/54631808/siemens-allen-bradley-abb-and-schneider-a-comparison