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1756-L81E high-performance programmable automation controller

1756-L81E high-performance programmable automation controller

  • 1756-L81E  high-performance programmable automation controller
1756-L81E  high-performance programmable automation controller
Product Details:
Place of Origin: US
Brand Name: Allen Bradley
Model Number: 1756-L81E
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: $99
Packaging Details: New sealed
Delivery Time: In stock/1-3days
Payment Terms: T/T
Supply Ability: 5000
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Detailed Product Description
Applicantions: Industrial Automation Brand: Allen Bradley
Rated Voltage: 220V Protection Level: IP65
Product Certification: CCC, UL

1756-L81E ALLEN BRADLEY  Relay Module

1756-L81E is a high-performance programmable automation controller (PAC) in the Allen Bradley ControlLogix series, designed specifically for complex industrial automation systems, combining powerful computing power, flexible scalability, and industrial grade reliability. Its core is equipped with Intel Core i5-8365UE or Atom E3950 processor, which supports multitasking (up to 32 tasks) and can efficiently execute logic control, motion control, and complex data processing algorithms. The controller comes pre installed with the Windows 10 IoT Enterprise operating system and integrates EtherCAT master station functionality, enabling the construction of high-speed distributed I/O systems suitable for high-precision synchronous control scenarios.

The 1756-L81E offers a wide range of interface configurations, including dual gigabit Ethernet ports, VGA, HDMI, USB, RS-232, and RS-485 interfaces, supporting multiple industrial protocols such as EtherNet/IP, ControlNet, and DeviceNet, and seamlessly integrating HMI, SCADA, and third-party devices. Its local I/O slots are compatible with I-9K, I-97K, and e-9K series modules, and remote I/O can be expanded through Ethernet or RS-485 to meet large-scale system integration requirements.

This controller is widely used in fields such as CNC machinery, metallurgy, oil and gas, paper and printing, textile printing and dyeing, mechanical manufacturing, electronic manufacturing, automobile manufacturing, tobacco, plastic machinery, power plants, water treatment/environmental protection, municipal engineering, steel mills, cement plants, robots, and rail transit. In CNC machinery, it achieves high-precision synchronous control and path planning; In the oil and gas industry, it monitors pipeline pressure and flow to ensure process safety; In rail transit, it manages signal systems and train control to improve operational efficiency.

The 1756-L81E has excellent environmental adaptability, with a working temperature range covering 0 ° C to 60 ° C. Through vibration (2G, 10-500Hz) and impact testing (30G operation, 50G non operation), it ensures stable operation in extreme industrial environments. Its IP20 protection level and redundant design further enhance system availability and ensure the continuity of critical applications.

In addition, the 1756-L81E supports programming and debugging through Studio 5000 Logix Designer software, compatible with multiple programming languages such as ladder diagrams, functional block diagrams, structured text, and can work in conjunction with other Rockwell products such as frequency converters and touch screens to reduce system complexity. The built-in LCD display supports real-time monitoring and diagnosis, while the low-power design and passive cooling scheme meet the requirements of energy conservation and environmental protection.

1756-L81E, with its high performance, flexible scalability, industrial grade reliability, and rich communication interfaces, has become a core component of complex control systems in the field of industrial automation, helping enterprises improve production efficiency and intelligence.


Technical specifcations for 1756-L81E

Hardware configuration and performance

Processor and Memory: Equipped with Intel Core i5-8365UE or Atom E3950 CPU, equipped with 0-2 I/O expansion slots, supporting dual Gigabit Ethernet ports, VGA, HDMI, USB, RS-232/RS-485 interfaces, meeting communication needs in multiple scenarios.
Operating System: Pre installed with Windows 10 IoT Enterprise, compatible with general and industrial applications, supports EtherCAT master station function, and achieves high-speed distributed I/O control.
Scalability: The local I/O slot supports I-9K, I-97K, and e-9K series modules, while remote I/O can be expanded through Ethernet or RS-485, making it suitable for large-scale system integration.
function and application

Control function: Integrated logic control, motion control, and data processing capabilities, supporting multitasking (up to 32 tasks), suitable for high-precision synchronous control and complex algorithm execution.
Communication protocol: Compatible with industrial protocols such as EtherNet/IP, ControlNet, DeviceNet, etc., achieving seamless integration with HMI, SCADA, and third-party devices.
Application scenarios: Widely used in CNC machinery, metallurgy, oil and gas, paper printing, textile printing and dyeing, mechanical manufacturing, electronic manufacturing, automobile manufacturing, tobacco, plastic machinery, power plants, water treatment/environmental protection, municipal engineering, steel mills, cement plants, robots, rail transit and other fields, meeting the needs of process control, motion control and data acquisition.
Environmental adaptability and reliability

Working temperature: 0 ° C to 60 ° C, suitable for extreme industrial environments.
Protection level: IP20, ensuring mechanical stability through vibration (2G, 10-500Hz) and impact testing (30G operation, 50G non operation).
Redundancy design: Supports controller redundancy configuration, improves system availability, and ensures continuous operation of critical applications.
Software Development and Compatibility

Programming tool: Configure and debug through Studio 5000 Logix Designer software, supporting multiple programming languages such as ladder diagrams, functional block diagrams, structured text, etc.
Compatibility: Compatible with 1756 series I/O modules, communication modules, and functional modules, supporting collaboration with other Rockwell products such as frequency converters and touch screens to reduce system complexity.
other characteristics

Human computer interaction: Built in LCD display screen, supporting real-time monitoring and diagnosis, improving maintenance efficiency.
Security: Comply with relevant functional safety standards to ensure system security.
Low power design: adopting passive heat dissipation to reduce energy consumption and meet energy-saving and environmental protection requirements.


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Our Services:

1,All our products are new and orginal, and of good quality

2,Our prices are very competitive.

3, We have a large quantity in stock, so we could help the customers to get the components which are dificult to get.

4,All inquiries will be valued and will reply in 24.


Packing & Delivery:

1,100% brand New and Original Factory Seal!

2,Warranty:1 year

3,Package: Original packing with cartons.

4,Delivery time: Shipped in 3-7 days after payment

5,All the goods will be tested before shipment


1756-L81E  high-performance programmable automation controller  0

Contact Details
Xiamen Online Union Technology Co., Ltd

Contact Person: Mr. Jeff Wu

Tel: +86 18900209396

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Address: 103, No.26, Zhenhai Road, Siming District, Xiamen, China

Factory Address:103, No.26, Zhenhai Road, Siming District, Xiamen, China

  • Tel:86--18900209396
  • Email:sales@3wplc.com
  • Worktime:08:00-18:00
  • Contact Person: Mr. Jeff Wu