Product Overview
The Allen-Bradley 1756-L82EK is a ControlLogix5580 controller engineered for demanding industrial automation applications. This processor delivers a robust combination of memory, connectivity, and processing speed, making it a reliable backbone for modern control systems. With 5MB of user memory and a 1GB Ethernet port, the 1756-L82EK handles complex programs and high-speed communication with ease. Its conformally coated design provides added protection against moisture and contaminants, extending service life in harsh environments.
Part of the ControlLogix family, the 1756-L82EK supports up to 80 EtherNet/IP devices, enabling seamless integration with a wide range of I/O and smart devices. It is fully supported in the Studio 5000 Automation Engineering & Design Environment, simplifying configuration and programming. Whether upgrading an existing line or building a new system, this controller offers the performance and flexibility required for today's smart factories.
Technical Specifications
| Specification |
Value |
| Manufacturer |
Rockwell Automation |
| Brand |
Allen-Bradley |
| Part Number/Catalog No. |
1756-L82EK |
| Series |
ControlLogix |
| Module Type |
ControlLogix Controller |
| I-O Memory |
N/A |
| User Memory |
10 MB |
| Maximum I-O |
128,000 |
| Maximum Analog I-O |
4,000 |
| Maximum Digital I-O |
128,000 |
| Current Draw (1.2 Volts DC) |
5.0 Miliamperes |
| Current Draw (5.1 Volts) |
1.20 Miliamperes |
| Power Dissipation |
6.2 Watts |
| Thermal Dissipation |
21.2 BTU per hour |
| Isolation Voltage |
50 Volts Continuous |
| Enclosure |
None (Open-Style) |
The 1756-L82EK offers 10 MB of user memory, providing ample space for large control programs and data logging. It supports up to 128,000 digital I/O points and 4,000 analog I/O points, making it suitable for medium-to-large scale applications. The controller's low power dissipation of 6.2 Watts ensures efficient operation, while its open-style enclosure allows flexible mounting in standard control cabinets.
Key Features & Benefits
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High-Speed Ethernet: 1GB Ethernet port for fast communication with HMIs, drives, and other controllers.
-
Integrated Motion: Supports Integrated Motion on the Ethernet network, enabling precise motion control without additional hardware.
-
Conformal Coating: Protects the board from dust, moisture, and corrosive gases, enhancing reliability in challenging environments.
-
Alpha/Numeric Display: 4-character display provides quick status and diagnostic information.
-
Studio 5000 Support: Fully compatible with Studio 5000, streamlining programming and maintenance.
Industry Applications
The Allen-Bradley 1756-L82EK is ideal for a wide range of industries, including automotive manufacturing, food and beverage processing, and material handling. In automotive plants, it coordinates high-speed assembly lines with precise motion control and real-time data exchange. For food and beverage operations, its conformal coating resists washdown chemicals and humidity, ensuring consistent performance. In material handling systems, the controller manages conveyor networks and robotic interfaces, optimizing throughput and reducing downtime.
Installation & Setup
Mount the 1756-L82EK in a suitable ControlLogix chassis, ensuring proper airflow and clearance. Connect the Ethernet cable to the dedicated port and configure the IP address via Studio 5000. For motion applications, set up the integrated motion parameters in the software. Always follow the manufacturer's guidelines for power and grounding to avoid electrical noise. The open-style enclosure requires installation in a protective cabinet to meet safety standards.
Maintenance & Reliability
To maximize reliability, periodically inspect the controller for dust accumulation and ensure the conformal coating remains intact. Check the Ethernet cable connections for wear or loose fittings. The low power dissipation reduces heat stress, contributing to a longer service life. Regular firmware updates and preventive maintenance help avoid unexpected failures and extend the controller's operational lifespan.
Compatibility & Integration
The 1756-L82EK integrates seamlessly with other ControlLogix components and supports EtherNet/IP, a widely adopted industrial protocol. It communicates with Allen-Bradley I/O modules, drives, and smart devices, as well as third-party EtherNet/IP devices. The controller can also exchange data with higher-level systems via standard Ethernet, enabling SCADA and MES integration.
Buying Guide
Before purchasing, verify that the 1756-L82EK meets your application's I/O count, memory, and communication requirements. Confirm compatibility with your existing chassis and power supply. For assistance in selecting the right controller, contact PLC Source PRO, a trusted supplier of industrial automation parts. We offer genuine products and reliable support to keep your operations running smoothly.