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- Allen Bradley
- 1756-L85E
- ControlLogix ControlNet Communication Module
- USA
- 145 × 136 × 105 mm
- 0.5kg
- Xiamen, China
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Technical Profile Report – 1756-L85E Controller Module
1. Product Overview
The 1756-L85E is a flagship ControlLogix 5580 programmable automation controller (PAC) designed for large-scale industrial automation systems requiring maximum processing capability, ultra-fast communication performance, and advanced motion coordination.
It belongs to the ControlLogix 5580 series, a next-generation industrial control platform developed for modern Ethernet-based manufacturing and process automation systems.
The 1756-L85E is widely used in environments requiring:
- Large distributed control systems
- High-speed deterministic processing
- Advanced coordinated motion control
- Large EtherNet/IP device networks
- Complex automation architectures
This controller is designed for industrial facilities where performance, scalability, and system reliability are critical.
2. Product Introduction
The 1756-L85E serves as the main processor within a modular ControlLogix chassis. It executes automation logic, manages distributed I/O systems, coordinates motion applications, and handles high-speed industrial Ethernet communication.
Key features include:
- 40 MB user memory
- Integrated Gigabit EtherNet/IP communication
- High-speed task execution architecture
- USB programming interface
- Large distributed network capability
- Support for extensive motion control systems
The controller is optimized for complex industrial systems requiring high computing performance and stable real-time operation.
3. Technical Parameters
Core Specifications Table
| Parameter | Value |
|---|---|
| Controller Type | Programmable Automation Controller (PAC) |
| Platform Series | ControlLogix 5580 |
| Processor Family | Logix 5585 |
| User Memory | 40 MB |
| Non-volatile Storage | 2 GB SD card support |
| Maximum Digital I/O | 128,000 points |
| Maximum Analog I/O | 4,000 channels |
| EtherNet/IP Device Support | Up to 250 devices |
| Motion Axis Support | Up to 256 axes |
| Task Capacity | 32 tasks |
| Programs per Task | Up to 1000 programs |
| Communication Port | Integrated Gigabit EtherNet/IP |
| Ethernet Speed | 10/100/1000 Mbps |
| Programming Interface | USB 2.0 |
| Display | 4-character alphanumeric display |
| Power Consumption | Approx. 6.2 W |
| Backplane Current (5.1V DC) | Approx. 1.2 A |
| Backplane Current (1.2V DC) | 5 mA |
| Thermal Dissipation | Approx. 21 BTU/hr |
| Isolation Voltage | 50 V continuous |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5% – 95% non-condensing |
| Scan Type | Deterministic real-time execution |
| Security Features | Controller security and access protection |
| Dimensions (H×L×W) | ≈ 145 × 136 × 105 mm |
| Weight | ≈ 0.45 kg – 0.50 kg |
4. Product Application Areas
The 1756-L85E is designed for advanced industrial automation systems requiring high-speed processing, large memory capacity, and large-scale network integration.
Industrial Applications
- Automotive manufacturing systems
- Robotics and automated assembly lines
- Semiconductor production equipment
- Oil and gas processing facilities
- Pharmaceutical manufacturing systems
- Large packaging and material handling systems
- Steel and heavy industrial production lines
Process Automation Applications
- Continuous process control
- Distributed plant automation
- Energy management systems
- Water and wastewater treatment plants
- Chemical processing systems
Motion Control Applications
- Coordinated multi-axis servo systems
- High-speed packaging machinery
- Conveyor synchronization systems
- Precision robotic motion control
- Automated warehouse systems
5. Product Advantages
1. Very Large Memory Capacity
The 40 MB user memory allows execution of complex automation projects with large datasets and extensive program structures.
2. High-Speed Gigabit Ethernet Communication
Integrated Gigabit EtherNet/IP enables fast data transfer and stable industrial communication.
3. Strong Motion Coordination Capability
Supports up to 256 coordinated motion axes for advanced automation systems.
4. Deterministic Real-Time Processing
Provides predictable execution timing for high-speed industrial operations.
5. Large Distributed System Support
Capable of managing extensive distributed I/O and EtherNet/IP architectures.
6. Modular Expansion Flexibility
Works within scalable ControlLogix chassis systems for future expansion.
7. Enhanced Industrial Security
Supports controller-level access protection and system security functions.
8. Reduced Downtime
Designed for continuous industrial operation with high reliability.
9. Simplified Network Integration
Allows seamless integration with modern industrial Ethernet infrastructure.
6. Brand Positioning
The product belongs to a globally recognized industrial automation ecosystem specializing in:
- Programmable automation controllers
- Industrial Ethernet communication systems
- Motion control platforms
- Distributed process automation
- High-performance industrial networking
It is widely used in industries requiring high-speed and large-scale industrial automation systems.
7. Product Series
Series Name: ControlLogix 5580 Series
The 1756-L85E belongs to the advanced ControlLogix 5580 controller family, designed for high-performance industrial automation.
Series Features
- Gigabit EtherNet/IP communication
- High-speed deterministic processing
- Large memory architecture
- Modular chassis-based design
- Advanced motion coordination
- Large distributed control capability
8. Recommended Models – Same Series or Related
A. Same Series / Closely Related Models
| Model | Description | Key Parameters |
|---|---|---|
| 1756-L81E | Entry-level 5580 CPU | 3 MB memory, Gigabit Ethernet |
| 1756-L82E | Mid-range controller | 5 MB memory, high-speed processing |
| 1756-L83E | Advanced PAC | 10 MB memory, large distributed systems |
| 1756-L84E | High-performance controller | 20 MB memory, advanced motion |
| 1756-L85E | Flagship PAC | 40 MB memory, maximum system capability |
9. Recommended Popular Models From the Same Brand
| Model | Product Type | Key Parameters |
|---|---|---|
| 1756-L85E | High-performance PAC | 40 MB memory, Gigabit EtherNet/IP |
| 1756-L84ES | GuardLogix Safety Controller | 20 MB standard + 10 MB safety memory |
| 1756-L83E | Advanced Ethernet Controller | Large distributed system support |
| 1756-L81EP | Process Controller | Process-oriented Ethernet architecture |
| 1756-L73 | Legacy ControlLogix CPU | 8 MB memory, mature platform |
10. Summary
The 1756-L85E controller is one of the most powerful processors within the ControlLogix 5580 platform. Designed for large-scale industrial automation environments, it combines high-speed deterministic processing, 40 MB memory capacity, Gigabit EtherNet/IP communication, and advanced motion coordination into a single scalable industrial controller.
It is especially suitable for modern manufacturing plants, process industries, robotics systems, and distributed industrial architectures that require high computational performance and reliable continuous operation.
Its scalability, processing capability, and Ethernet-based architecture make it an important solution for next-generation industrial automation systems.