1756-L81E-NSE Allen-Bradley ControlLogix 5580 Controller

Overview

The Allen-Bradley 1756-L81E-NSE is a high-performance controller from the ControlLogix 5580 series. It supports advanced communication protocols and offers robust task handling for industrial automation systems.

Features

• Embedded Ethernet Port: Provides Ethernet communication with speeds of 10, 100, and 1000 MB/s.
• USB Port: Supports configuration, programming, and online edits with a speed of 12 MB/s.
• Programming Versatility: Compatible with Relay Ladder Logic, Function Block Diagram, Structured Text, and Sequential Function Chart programming languages.
• Scalable I/O: Supports up to 128,000 digital I/O and 4,000 analog I/O points.
• Energy Efficient: Minimal residual stored energy and optimized power usage.
• Communication Options: EtherNet/IP, DeviceNet, ControlNet, Remote IO, Data Highway Plus (DH+), and more.
• Task Capacity: 32 controller tasks with up to 1000 programs per task.

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1756-L81E-NSE
  • Suffix Meaning: “NSE” indicates No Stored Energy, enhancing safety during handling.
• Controller Tasks: 32
• Programs Per Task: 1000
• Digital I/O Capacity: 128,000
• Analog I/O Capacity: 4,000
• Current Draw: 5 mA at 1.2V DC, 1.2 A at 5.1V DC
• Power Dissipation: 6.2 Watts
• Thermal Dissipation: 21.2 BTU/hour

FAQ

1. What does “NSE” in the part number signify?
NSE stands for “No Stored Energy,” indicating enhanced safety by eliminating residual energy storage.

2. What communication options are available?
This controller supports EtherNet/IP, DeviceNet, ControlNet, Remote IO, Data Highway Plus (DH+), Synch Link, and third-party networks.

3. What are the supported programming languages?
It supports Relay Ladder Logic, Function Block Diagram, Structured Text, and Sequential Function Chart.

4. How many I/O points can the controller handle?
It supports up to 128,000 digital and 4,000 analog I/O points.

Check official datasheet for more detailed information: ControlLogix and GuardLogix Controllers