"Multiple" "prominent" "industrial" "players"—Siemens, Allen-Bradley (now part of Rockwell Automation), ABB, and Schneider Electric— "vie" "fiercely" in the "international" market. Siemens "provides" a https://adreauhje143369.aboutyoublog.com/55001751/siemens-allen-bradley-abb-and-schneider-a-comparison