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Brand Overview & Product Positioning
What is Allen-Bradley?
Allen-Bradley is a brand of industrial automation equipment developed by Rockwell Automation. Known for its reliability, scalability, and integration with Rockwell's ecosystem, Allen-Bradley products are widely used across manufacturing, energy, and infrastructure sectors worldwide.
Is Allen-Bradley the Same as ABB?
No. Allen-Bradley is owned by Rockwell Automation, a U.S.-based industrial automation company, whereas ABB is a Swiss multinational. While both offer PLCs and automation systems, they differ significantly in system architecture, software platforms, and regional adoption.
Key Benefits of Allen-Bradley PLCs
Allen-Bradley PLCs are praised for their robust build, integration with Studio 5000 software, seamless compatibility with Rockwell drives and HMIs, and strong support ecosystem. Their modular design and wide I/O options make them ideal for scalable industrial applications.
Product Types, Applications & Lifecycle
Types of Allen-Bradley PLCs
The Allen-Bradley lineup includes Micro800 series for compact control, CompactLogix for mid-range applications, and ControlLogix for high-performance, large-scale systems. Each offers a balance between performance, size, and flexibility.
Where Allen-Bradley PLCs Are Used
Allen-Bradley PLCs are used in industries like automotive, food & beverage, oil & gas, and pharmaceuticals. They’re particularly effective in process automation, packaging lines, and robotics integration thanks to their precision and communication protocols.
Understanding Product Lifecycle
Rockwell Automation offers clear lifecycle statuses: Active, Active Mature, End of Life, and Discontinued. It's crucial to verify lifecycle status before purchasing or replacing units to ensure ongoing support and compatibility in your automation environment.
Programming, Software & Selection Tips
Allen-Bradley PLC Programming Language
Allen-Bradley PLCs primarily use Ladder Logic, but also support Structured Text, Function Block Diagram, and Sequential Function Chart under IEC 61131-3 standard. This flexibility makes them accessible to both traditional technicians and advanced programmers.
Software Used – Studio 5000
Studio 5000 is the main programming platform for Allen-Bradley ControlLogix and CompactLogix PLCs. It offers powerful design, simulation, and diagnostics tools and integrates tightly with FactoryTalk for SCADA/HMI applications.
Selection Tips & Compatibility Notes
When selecting an Allen-Bradley PLC, consider system size, I/O needs, communication protocol (EtherNet/IP vs. serial), and software license requirements. Also ensure compatibility with existing Rockwell components to avoid integration issues.