ALLEN BRADLEY PLC
Allen-Bradley is a brand of Programmable Logic Controllers (PLCs) made by Rockwell Automation (USA).
They are one of the most widely used PLCs in North America and globally, especially in heavy industries, oil & gas, power, and manufacturing.
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Major Allen-Bradley PLC Families
MicroLogix Series (Compact / Small applications)
Cost-effective, small size.
Suitable for packaging machines, small automation tasks.
Example: MicroLogix 1000, 1100, 1200, 1400, 1500.
CompactLogix Series (Medium applications)
Modular design, scalable.
Integrated motion and networking.
Often used in manufacturing, material handling, mid-sized process control.
ControlLogix Series (Large applications – Flagship PLC)
High-end PLC, modular with multi-CPU support.
Very fast scan time, redundancy, and high data handling.
Used in oil & gas, power plants, automotive, and large factories.
Micro800 Series (Latest small PLCs)
Designed as an alternative to MicroLogix.
Programmable with Connected Components Workbench (CCW).
🔹 Programming Software
RSLogix 500 → For MicroLogix & SLC PLCs.
RSLogix 5000 / Studio 5000 Logix Designer → For ControlLogix & CompactLogix.
Connected Components Workbench (CCW) → For Micro800 Series.
🔹 Features of Allen-Bradley PLC
High-performance processors with fast scan times.
Modular & scalable architecture.
Multiple programming languages (Ladder Logic, Function Block, Structured Text, SFC).
Wide communication support: EtherNet/IP, DeviceNet, ControlNet, Profibus, Modbus, OPC.
Integration with SCADA, HMI (PanelView), VFD, Servo drives, and Industrial IoT.
Supports redundancy for critical industries.
🔹 Applications
Automotive industry (assembly lines, painting, robotics).
Oil & Gas plants (pipeline control, drilling).
Power generation & water treatment.
Material handling & conveyors.
Food & Beverage production automation.
Pharmaceutical industry for process safety.