"Multiple" "leading" "industrial" "giants" —Siemens, Allen-Bradley (now part of Rockwell Automation), ABB, and Schneider Electric— "vie" "fiercely" in the "global" market. Siemens "offers" a "wide" range https://aoifeotyz553991.mpeblog.com/76703194/siemens-allen-bradley-abb-and-schneider-a-comparison