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Allen-Bradley 1756-L61B ControlLogix Controller - High-Performance PAC

Brand/Manufacturer: Allen-Bradley

Order Number: 1756-L61B

Type: Controller Module

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

The Allen-Bradley 1756-L61B ControlLogix Controller is a high-performance, scalable, and versatile programmable automation controller (PAC) designed for complex industrial automation systems. Part of the ControlLogix 5000 series, this controller provides robust processing power, extensive I/O compatibility, and seamless communication across multiple networks. Ideal for industries requiring advanced control, monitoring, and data processing, the 1756-L61B ensures optimal performance in manufacturing, process control, and energy management applications.

With its intuitive integration capabilities, the 1756-L61B streamlines the development and deployment of control systems. It offers a powerful combination of performance, flexibility, and reliability, making it a preferred choice for automation engineers seeking efficiency and precision in their operations.

Key Benefits & Features:

  • High Processing Power: The 1756-L61B is equipped with an integrated processor that delivers fast and efficient control, allowing for complex operations and high-speed processing across multiple I/O devices.

  • Expandable Architecture: Designed to integrate seamlessly with the ControlLogix I/O modules, this controller supports up to 8,000 I/O points, offering flexible expansion options to meet the growing demands of your automation systems.

  • Advanced Communication Protocols: The 1756-L61B supports Ethernet/IP, ControlNet, and DeviceNet communication protocols, ensuring easy integration with various networked devices and other Allen-Bradley controllers. This feature enhances system flexibility and connectivity in complex industrial environments.

  • Scalable System: With its modular architecture, the 1756-L61B can be easily expanded to accommodate additional I/O modules and devices, making it a scalable solution for growing industrial systems.

  • Integrated Motion Control: The controller features integrated motion control capabilities, ideal for systems requiring precise movement and positioning, such as conveyor belts, robotic arms, and other automated machinery.

  • Reliability & Durability: Built with industrial-grade components, the 1756-L61B is designed to operate in harsh conditions, offering high reliability and long-lasting performance. It is ideal for continuous operations in industrial environments.

Technical Specifications:

  • Model: Allen-Bradley 1756-L61B

  • Series: ControlLogix 5000

  • Processor Type: 860 MHz Dual-core Processor

  • I/O Points: Supports up to 8,000 I/O points, scalable to meet system requirements.

  • Communication Protocols: Ethernet/IP, ControlNet, DeviceNet

  • Memory: 256MB RAM, 512MB Non-volatile memory

  • Power Supply Requirements: 24V DC

  • Input/Output: Supports digital, analog, and motion control I/O modules

  • Operating Temperature: 0°C to 60°C (32°F to 140°F)

  • Storage Temperature: -40°C to 85°C (-40°F to 185°F)

  • Mounting: Designed for 1756 backplane mount (ControlLogix chassis)

  • Weight: 1.2 kg (2.6 lbs)

  • Dimensions: 5.4 x 6.0 x 3.5 inches (137 x 152 x 89 mm)

  • Certifications: UL, CE, CSA, C-Tick

Typical Applications & Use Cases:

The 1756-L61B is a powerful controller for diverse industrial applications, from manufacturing to energy management. Its modular design and wide compatibility make it suitable for use in:

  • Manufacturing Automation: Ideal for controlling large, complex production lines, providing precise control over machines, conveyors, and robots in industries like automotive, food & beverage, and packaging.

  • Process Control Systems: In industries such as oil and gas, chemical processing, and water treatment, the 1756-L61B handles high-speed control and monitoring, integrating sensors, pumps, and valves into a cohesive control system.

  • Energy Management: The controller is highly effective in managing power distribution systems, optimizing energy usage, and integrating renewable energy sources into the grid for utilities and energy distribution companies.

  • Building Automation: In HVAC, lighting control, and security systems, the 1756-L61B offers advanced data handling and seamless integration with other control devices, making buildings smarter and more energy-efficient.

Support & Maintenance:

Allen-Bradley’s ControlLogix 1756-L61B controller comes with robust technical support and documentation from Rockwell Automation. It offers comprehensive troubleshooting resources and software tools to help engineers optimize the controller’s performance.

For routine maintenance, it is recommended to check the system’s diagnostics and update software as necessary. The controller's modular design ensures easy replacement of components without disrupting the overall system. Allen-Bradley provides access to a network of authorized service providers for installation, support, and system upgrades to ensure the system remains operational over time.

FAQ:

Q: What types of I/O can the 1756-L61B control?
A: The 1756-L61B can control digital, analog, and motion control I/O modules, making it versatile for various automation applications.

Q: How much I/O can the 1756-L61B support?
A: The controller can support up to 8,000 I/O points, offering scalability for larger or more complex systems.

Q: Is the 1756-L61B compatible with other Allen-Bradley controllers?
A: Yes, the 1756-L61B is fully compatible with other ControlLogix and CompactLogix controllers, providing flexible integration across systems.

Q: What communication protocols does the 1756-L61B support?
A: The 1756-L61B supports Ethernet/IP, ControlNet, and DeviceNet protocols for seamless communication and integration with various devices and networks.

Q: What is the operating temperature range of the 1756-L61B?
A: The 1756-L61B operates within a temperature range of 0°C to 60°C (32°F to 140°F), suitable for most industrial environments.

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Testimonials

Fast Delivery, Excellent Quality


We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

- Sarah Johnson

Reliable Partner for Original Parts


Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

Professional Service with After-Sales Support

"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

- Emily Brown

Trusted Source for Industrial Automation Spares


We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

- Michael Anderson