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- Allen Bradley
- 1756-L84ES
- ControlLogix ControlNet Communication Module
- USA
- 145 × 136 × 105 mm
- 0.5kg
- Xiamen, China
- New & In Stock
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Technical Profile Report – 1756-L84ES Controller Module
1. Product Overview
The 1756-L84ES is a high-end GuardLogix 5580 safety programmable automation controller (PAC) engineered for large-scale industrial automation systems that require integrated safety control, ultra-fast communication capability, and advanced motion coordination.
It belongs to the ControlLogix 5580 GuardLogix series, which combines standard automation control and certified safety functionality within a unified industrial platform. The controller is designed for applications where system reliability, high processing speed, and safety compliance are critical operational requirements.
The 1756-L84ES is commonly used in:
- High-speed manufacturing systems
- Robotics and motion-intensive applications
- Process industries with integrated safety requirements
- Large distributed EtherNet/IP architectures
- Complex automation systems requiring deterministic control
Its architecture supports modern industrial networking environments and large-scale automation infrastructures.
2. Product Introduction
The 1756-L84ES serves as the primary processing controller inside a modular ControlLogix chassis system. It executes both standard control logic and SIL-certified safety logic simultaneously while maintaining deterministic real-time communication across industrial Ethernet networks.
This controller integrates:
- Advanced processing capability
- High-capacity memory architecture
- Gigabit EtherNet/IP communication
- High-speed task execution
- Motion synchronization capability
- Distributed I/O management
The module is optimized for industrial systems that require seamless integration between automation, motion control, and functional safety.
3. Technical Parameters
Core Specifications Table
| Parameter | Value |
|---|---|
| Controller Type | GuardLogix Safety PAC |
| Platform Series | ControlLogix 5580 GuardLogix |
| Processor Family | Logix 5584 |
| Standard User Memory | 20 MB |
| Safety Memory | 10 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 Capacity | 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 |
| Safety Certification | SIL 3 / PLe capable |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5% – 95% non-condensing |
| Execution Type | Deterministic real-time processing |
| Dimensions (H×L×W) | ≈ 145 × 136 × 105 mm |
| Weight | ≈ 0.45 kg – 0.50 kg |
4. Product Application Areas
The 1756-L84ES is designed for advanced industrial systems requiring integrated safety, high-speed control, and coordinated motion execution.
Industrial Applications
- Automotive robotic welding systems
- Semiconductor manufacturing equipment
- Pharmaceutical production systems
- Food and beverage packaging lines
- Oil and gas process automation
- Heavy industrial machinery systems
Safety Applications
- Emergency shutdown systems
- Safety interlock management
- Machine guarding systems
- Light curtain integration
- Safety motion supervision
- High-risk industrial process protection
Motion Applications
- Multi-axis servo synchronization
- High-speed conveyor coordination
- Robotic motion control
- Precision packaging systems
- Coordinated production line automation
5. Product Advantages
1. Integrated Safety and Automation Control
Allows standard automation logic and safety processing within a single controller architecture.
2. Large Memory Capacity
Provides expanded memory resources for large industrial applications and extensive safety programming.
3. Gigabit EtherNet/IP Communication
Supports ultra-fast industrial Ethernet communication for distributed control systems.
4. Advanced Motion Capability
Supports large coordinated motion systems with deterministic synchronization.
5. SIL 3 Certified Safety Performance
Suitable for industrial applications requiring high-level functional safety compliance.
6. High-Speed Deterministic Processing
Maintains stable and predictable execution under demanding workloads.
7. Modular and Scalable Architecture
Supports future expansion through modular chassis integration.
8. Reduced System Complexity
Combines automation and safety within one engineering platform, simplifying system design.
9. Improved System Reliability
Designed for continuous industrial operation with high uptime requirements.
6. Brand Positioning
The product belongs to a globally recognized industrial automation ecosystem specializing in:
- Programmable automation controllers
- Industrial safety systems
- EtherNet/IP networking technology
- Distributed industrial automation
- Motion control platforms
The platform is widely adopted in industries requiring high-performance safety-integrated automation systems.
7. Product Series
Series Name: ControlLogix 5580 GuardLogix Series
The 1756-L84ES belongs to the advanced GuardLogix 5580 integrated safety controller family.
Series Features
- Integrated standard and safety control
- Gigabit Ethernet communication architecture
- High-speed deterministic processing
- Large-scale distributed control capability
- SIL 3 / PLe certified safety design
- Advanced coordinated motion support
8. Recommended Models – Same Series or Related
A. Same Series / Closely Related Models
| Model | Description | Key Parameters |
|---|---|---|
| 1756-L81ES | Entry GuardLogix CPU | 3 MB standard + 1.5 MB safety memory |
| 1756-L82ES | Mid-range safety controller | 5 MB standard + 3 MB safety memory |
| 1756-L83ES | Advanced safety PAC | 10 MB standard + 5 MB safety memory |
| 1756-L84ES | High-performance safety PAC | 20 MB standard + 10 MB safety memory |
| 1756-L85ES | Flagship GuardLogix controller | Maximum memory and processing capability |
9. Recommended Popular Models From the Same Brand
| Model | Product Type | Key Parameters |
|---|---|---|
| 1756-L84ES | GuardLogix Safety Controller | 20 MB standard + 10 MB safety memory |
| 1756-L85E | Advanced Ethernet PAC | Large distributed control capability |
| 1756-L83E | High-performance PAC | High-speed deterministic execution |
| 1756-L81E | Standard Ethernet Controller | Integrated Gigabit EtherNet/IP |
| 1756-L73S | Legacy Safety Controller | SIL 3 capable architecture |
10. Summary
The 1756-L84ES controller is a high-performance integrated safety automation processor developed for large-scale industrial automation systems requiring advanced control, high-speed communication, and certified functional safety.
With its 20 MB standard memory, 10 MB dedicated safety memory, Gigabit EtherNet/IP communication, deterministic execution architecture, and SIL 3 certification, it is highly suitable for robotics, automotive manufacturing, process industries, packaging systems, and complex motion applications.
Its ability to integrate safety, automation, networking, and motion coordination into one scalable platform makes it an important solution for next-generation industrial automation environments.