The Allen Bradley 1756‑L83EK is a high-performance ControlLogix 5580 controller with conformal coating.
Technical Specifications
- Model: 1756‑L83EK
- User Memory: 10 MB
- Ethernet: Embedded 1 Gb Ethernet
- USB Port: USB 2.0 (programming only)
- EtherNet/IP Nodes: Supports up to 100 devices
- I/O Capacity: Up to 128,000 digital and 4,000 analog points
- Power Consumption: ~5 mA @ 1.2 V; 1.20 A @ 5.1 V
- Power Dissipation: 6.2 W
- Dimensions: 5.46 × 18.29 × 23.75 cm; Weight ~0.39 kg
- Temperature: 0–60 °C operating; –40–85 °C storage
- Certifications: UL, CSA, CE, IECEx, ATEX, FM, KC, RCM, TÜV
- Conformal Coating: Yes
- Lifecycle Status: Discontinued (end-of-life announced for Dec 2026)
Key Features
- High memory and fast processing tailored for advanced automation
- Embedded 1 Gb Ethernet and USB programming interface
- Handles up to 100 EtherNet/IP nodes natively
- Protected by conformal coating and sealed ports for durability
- Supports integrated motion, redundancy, and safety architecture
Compatible Components & Accessories
- ControlLogix 5580 chassis and compatible power supplies
- EtherNet/IP, ControlNet, DeviceNet communication modules
- Studio 5000 Logix Designer and PanelView Plus HMIs
- Secure Digital cards for program and data storage
Industry Applications
- Large-scale machine and process automation systems
- Batch systems, oil & gas, and water treatment controls
- Pharmaceutical and food-grade manufacturing lines
- Advanced motion, safety, and redundancy configurations
Installation & Maintenance Notes
- Install only in ControlLogix 5580 chassis
- Seal unused Ethernet/USB ports to maintain protection
- Use USB only for programming—remove afterward
- Power down before inserting or removing SD cards
- Follow grounding and cable-shielding best practices
Request a Quote
For pricing and availability, please Contact Us or call 1‑800‑755‑2883.
Disclaimer: TCI Supply is not an authorized Allen Bradley Distributor.
Frequently Asked Questions
How many EtherNet/IP devices can this controller support?
It supports up to 100 EtherNet/IP nodes, making it suitable for mid-to-large automation systems.
How does conformal coating enhance durability?
The coating and sealed ports protect against moisture, dust, and corrosive elements for reliable operation.
Is it safe to swap the SD card while powered?
No—always power down the controller before changing SD cards to avoid file or firmware issues.