Allen-Bradley 1756-L81EK ControlLogix 5580 Controller 3MB

Product Overview

The Allen-Bradley 1756-L81EK is a ControlLogix 5580 series controller. It offers 3 MB of user memory. This module handles up to 32 tasks. Each task can run 1000 programs. The controller supports 60 EtherNet/IP devices. It has a conformally coated design for harsh environments. The unit includes a USB 2.0 port and a 1 GB Ethernet port. It works with the Studio 5000 design environment. This processor is ideal for complex automation systems.

Application Scenarios

This controller fits many industrial applications. Use it in manufacturing plants. It works well for process control. The 1756-L81EK manages assembly lines. It controls packaging machinery. The module handles material handling systems. It also works in oil and gas facilities. The conformal coating protects against moisture. Use it in food processing areas. It suits automotive production lines too. The controller manages batch processes. It also runs discrete manufacturing operations.

Technical Specifications

The 1756-L81EK has 3 MB user memory. It supports 128,000 digital I/O points. The module handles 4,000 analog I/O points. It draws 5.0 mA at 1.2 Volts DC. The unit draws 1.20 mA at 5.1 Volts. Power dissipation is 6.2 Watts. Thermal dissipation is 21.2 BTU per hour. Isolation voltage is 50 Volts continuous. The enclosure is open-style. It supports Ethernet/IP, ControlNet, and DeviceNet networks. It also works with SynchLink and Data Highway Plus. Programming languages include Ladder Diagram and Structured Text.

Installation & Maintenance Guide

Install the controller in a ControlLogix chassis. Ensure proper power supply connection. Use the front OK LED for status checks. A solid green LED means normal operation. A red LED indicates a fault. The RUN LED shows the operating mode. Green means the controller is running. Use electronic keying for hardware verification. Keep the unit in a clean environment. Avoid exposure to extreme temperatures. Check firmware updates regularly. Use Studio 5000 for configuration. Follow Rockwell Automation guidelines for safe installation.

Packing List

Each order includes one 1756-L81EK controller. The package contains a quick start guide. It also includes a product documentation CD. The unit is packed in anti-static material. A shipping label with tracking is provided. We ship via FedEx, UPS, or DHL. The package weight is approximately 1.5 kg. The box dimensions are standard for ControlLogix modules. No additional accessories are included.