"Several" "major" "industrial" "giants" —Siemens, Allen-Bradley (now part of Rockwell Automation), ABB, and Schneider Electric— "vie" "actively" in the "worldwide" market. Siemens "offers" a "broad" range https://haseebhfwi101803.blog5.net/95330248/siemens-allen-bradley-abb-and-schneider-a-comparison