Excellent PLC
| Company Information | ||||||||
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| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Introduction
The Allen Bradley 1769-L33ER is a high-performance controller from the CompactLogix 5370 L3 family, designed for medium-scale automation and control systems. Featuring 2 MB of user memory, dual Ethernet ports with DLR (Device Level Ring) capability, and a USB configuration interface, this controller offers the ideal balance between power, connectivity, and scalability. Its modular structure supports local and distributed I/O configurations, making it suitable for machine builders, OEMs, and process automation environments that require reliable and efficient control.
Technical Specifications
| Parameter | Specification | Notes / Comments |
|---|---|---|
| Processor Type | CompactLogix 5370 L3 | High-performance integrated processor. |
| User Memory | 2 MB | Sufficient for mid-sized control systems. |
| Local I/O Expansion | Up to 16 modules | Modular I/O support for flexible design. |
| EtherNet/IP Nodes | Up to 32 | For distributed control and communication. |
| Communication Ports | 2 × Ethernet, 1 × USB | Dual Ethernet supports DLR topology. |
| Ethernet Speed | 10/100 Mbps | Automatic speed detection. |
| Non-Volatile Memory | SD Card (2 GB standard) | Stores configuration and firmware. |
| Power Supply Voltage | 24 V DC | Typical operating voltage. |
| Current Draw (5.1 V) | 1.0 A (approx.) | Power consumption from backplane. |
| Isolation Voltage | 30 V continuous, basic isolation | Between ports and system. |
| Operating Temperature | 0°C to +60°C | Industrial temperature range. |
| Storage Temperature | -40°C to +85°C | For non-operational storage. |
| Relative Humidity | 5% to 95% non-condensing | Environmental endurance. |
| Shock Rating | 30 g operational, 50 g non-op | Complies with industrial standards. |
| Vibration | 5–2000 Hz @ 1 g | Ensures durability in harsh conditions. |
| Dimensions (H × W × D) | 132 mm × 55 mm × 105 mm | Approx. 5.2″ × 2.2″ × 4.1″. |
| Weight | 0.50 kg (1.10 lbs) | Compact and lightweight design. |
Applications
The 1769-L33ER is used in a wide range of industrial automation and process control systems where performance, scalability, and reliability are critical:
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Machine Control – Ideal for packaging, assembly, and material handling systems.
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Process Automation – Chemical, pharmaceutical, and food industries requiring accurate control.
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Factory Automation – Integration of multiple machines over EtherNet/IP networks.
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Energy & Utilities – Managing distributed control systems and data logging.
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OEM Systems – Compact and modular design simplifies system integration.
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Safety and Redundant Systems – Supports ring network topologies to improve uptime.
Advantages
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Dual Ethernet Ports with DLR: Provides redundant network connectivity, reducing downtime in case of network failure.
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Compact and Modular Design: Saves panel space while maintaining system scalability.
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High-Speed Communication: Dual 10/100 Mbps ports ensure fast data exchange between controllers and I/O modules.
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Efficient Memory Management: 2 MB of memory supports mid-size applications with ease.
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Flexible Integration: Compatible with both Compact I/O and distributed EtherNet/IP nodes.
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Rugged Industrial Build: Designed to operate reliably under vibration, temperature, and electrical noise.
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Simplified Programming: Fully supported by Studio 5000 Logix Designer, enabling seamless programming and diagnostics.
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No Battery Maintenance: Uses an SD card for non-volatile data storage, eliminating battery dependency.
