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Siemens AG, founded in Berlin in 1847 by Werner von Siemens, is one of the original German engineering houses and today the largest industrial automation company in Europe. The Digital Industries division, headquartered in Nuremberg, supplies the SIMATIC controller family that defines programmable logic control for modern factories. From the flagship S7-1500 to the compact LOGO! logic relay, SIMATIC controllers run an estimated 35% of the world's discrete automation lines.
For three decades, Siemens has held the dominant position in factory automation because of ecosystem depth: SIMATIC controllers integrate natively with Siemens HMI panels, SINAMICS drives, SIMOCODE motor management, SCALANCE networking, and SITRANS process instrumentation — all under the TIA Portal engineering framework. This vertical integration reduces commissioning time, simplifies spare-parts management, and enables predictive-maintenance analytics through the MindSphere industrial cloud.
SIMATIC S7-1500: The current-generation flagship PLC. Modular backplane architecture with display, CPU options from S7-1511 to S7-1518, integrated PROFINET and PROFIBUS interfaces, OPC UA server, and trace functionality. The S7-1500 is the reference controller for Tier-1 automotive plants, packaging machinery, and high-end material handling.
SIMATIC S7-1200: The compact controller for mid-size machines. Built-in PROFINET, integrated safety (S7-1200F variants), and web-server diagnostics. Standard choice for small to medium machinery OEMs.
SINAMICS Drive Family: The unified drive platform covering low-voltage V20 (basic), G120 (general-purpose modular), S120 (high-performance servo), and G150 / S150 (cabinet solutions). All share STARTER / Startdrive commissioning software and PROFINET / PROFIBUS connectivity.
SIRIUS Industrial Switching: 3RT contactors, 3RV motor protectors, 3RU thermal overload relays, and the 3RW soft-starter family. The SIRIUS modular system is the standard motor-starter combination in European panel building.
SITRANS Process Instrumentation: SITRANS P (pressure), SITRANS F (flow), SITRANS L (level), SITRANS T (temperature). Sells into chemical, oil & gas, water, and pharmaceutical projects worldwide.
Glorient stocks the most-sought Siemens automation parts for the European and US markets, including SIMATIC S7-1500 CPUs (6ES7511-1AK02-0AB0, 6ES7513-1AL02-0AB0), ET 200SP remote I/O modules, SINAMICS G120 control units, SIRIUS 3RT2026 / 3RT2036 contactors, and the SITRANS P DS III pressure transmitter family. We support both current and legacy Simatic families, including the S7-300 / S7-400 for installed-base projects.
Our technical team is experienced in cross-referencing Siemens part numbers to alternative manufacturers (Allen-Bradley, Schneider, Mitsubishi) for customers running mixed-vendor plants, and in assisting with TIA Portal project upgrades.
