Allen-Bradley 1769-L33ER CompactLogix PLC
The Allen-Bradley 1769-L33ER is a high-performance compact programmable logic controller from Rockwell Automation's CompactLogix 5370 series. Designed for medium-sized industrial automation applications, this PLC offers exceptional integration, scalability, and reliable network communication for complex machine control, process applications, and distributed systems.
Technical Specifications
Product Series
CompactLogix 5370 Series
Processor
1 GHz high-performance processor (32-bit PowerPC or ARM Cortex-M7)
User Memory
2 MB (program, data, and tag storage)
Communication
Dual-port EtherNet/IP (10/100 Mbps), USB interface
I/O Expansion
Up to 16 local 1769 series modules, expandable to 30 connections
Motion Control
Up to 8-axis servo control (expandable to 16 axes)
Operating Temperature
0°C to 60°C
Protection Rating
IP20 (requires control cabinet installation)
Core Features
- High Integration: Combines logic control, motion control, sequential control, and data acquisition in a single compact unit
- High-Performance Processing: 1 GHz processor with fast Boolean instruction execution (0.22 µs/instruction) for real-time control
- Flexible Expansion: Compatible with 1769 series I/O modules with automatic identification and plug-and-play functionality
- Reliable Networking: Dual-port EtherNet/IP with Device Level Ring (DLR) topology for network redundancy
- Advanced Motion Control: Supports CIP Motion with point-to-point positioning, electronic gearing, and cam profiling
- Industrial Durability: Wide temperature range, vibration resistance, and multiple protection features for harsh environments
Communication & Protocols
The 1769-L33ER features built-in dual-port EtherNet/IP interfaces supporting 10/100 Mbps communication. It supports Device Level Ring (DLR) topology for network redundancy and multiple industrial protocols including CIP Sync (IEEE 1588), CIP Motion, and CIP Safety. Optional RS-232/RS-485 expansion supports Modbus RTU, DF1, and other protocols.
Applications
Ideal for medium-sized automation applications including packaging machinery, material handling systems, assembly lines, robotic systems, CNC machine tools, and water treatment processes. Suitable for space-constrained environments requiring high-performance control and flexible expansion capabilities.
Certifications & Software
Certified to CE, UL, CSA, FCC, CCC, ATEX, and UKCA standards. Programmed using Studio 5000 Logix Designer software, compatible with IEC 61131-3 programming standards. Firmware compatible with CompactLogix 5370 v38.011 and above.
Lifecycle Status: Active Mature - This product is in active production with full manufacturer support, replacement services, and long-term maintenance availability.
