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1756-L81EK

1756-L81EK Allen-Bradley Controller ControlLogix 5580

In stock (18 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1756-L81EK

  • Product Type: Controller Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 544g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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Description

Allen-Bradley ControlLogix 5580 1756-L81EK Controller

The 1756-L81EK is a ControlLogix 5580 controller from Allen-Bradley with 3MB user memory and 1Gbps Ethernet connectivity. Rockwell Automation designed this controller for high-speed industrial applications requiring 100 EtherNet/IP nodes. It features conformal coating for corrosion protection in humid environments.

Core Specifications

  • Brand: Allen-Bradley / Rockwell Automation
  • Series: ControlLogix 5580
  • Model: 1756-L81EK
  • Type: Programmable Logic Controller
  • User Memory: 3MB
  • EtherNet/IP Nodes: 100 supported
  • Display: 4-character alpha-numeric
  • Isolation Voltage: 50V continuous
  • USB Speed: 12 Mbps (USB 2.0)
  • Ethernet Speed: 1Gbps
  • Weight: 0.544kg

Key Features

  • 32 parallel tasks with 1,000 programs each
  • Studio 5000 & RSLogix 5000 compatible
  • Electronic keying for hardware validation
  • No battery required for memory backup
  • Conformal coating prevents corrosion in humid environments

LED Status Indicators

  • OK LED: Green = Normal, Red = Fault
  • RUN LED: Green = Active, Off = Program Mode
  • NET LED: Blinking = Network activity

Technical Documentation

📥 Download Product Datasheet PDF

FAQ

1. How much user memory does the 1756-L81EK have?

The 1756-L81EK features 3MB user memory for control applications.

2. How many EtherNet/IP nodes does it support?

It supports up to 100 EtherNet/IP nodes at 1Gbps speed.

3. Does this controller require a battery for memory backup?

No, the 1756-L81EK has battery-free memory backup for maintenance-free operation.

🏷️ Tags: Controller Module
  • Black

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AC-powered
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  • Ensure compatibility with your current machinery or control systems.
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  • Follow manufacturer instructions and best practices during installation.

In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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