1756-L81EK Controller Module | ControlLogix 5580

Allen-Bradley 1756-L81EK ControlLogix 5580 Controller

Core Specifications

Memory: 3MB user memory

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

Industrial Use Cases

High-speed bottling lines

Pharmaceutical batch control

Oil & gas SCADA systems

Robotic cell coordination

HVAC monitoring in large facilities

Problem Solving

Reduces communication latency in multi-vendor setups

Eliminates data bottlenecks in high-I/O count systems

Simplifies migration from older PLC-5/SLC platforms

Prevents corrosion in humid environments (conformal coating)

LED Status Indicators

OK LED (Green = Normal, Red = Fault)

RUN LED (Green = Active, Off = Program Mode)

NET LED (Blinking = Network activity)

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

Shipping & Support

FedEx International Priority (1-3 days)

UPS Ground (3-5 business days)

DHL Express Worldwide (2-4 days)

24/7 technical support via phone/email

Package Contents

1756-L81EK controller unit

Quick start guide

Mounting screws

Regulatory documentation

Warranty

12-month manufacturer warranty

Does not include certificates

Free firmware updates