1756-L71K Allen-Bradley ControlLogix Logix5571 Controller

Overview

The Allen-Bradley 1756-L71K is a conformally coated ControlLogix Logix5571 Processor Module, designed for demanding industrial automation tasks. With a compact design, high reliability, and advanced I/O capabilities, it ensures seamless system integration and optimal performance.

Features

• Conformally Coated: Enhanced durability in challenging environments.
• High I/O Capacity: Supports up to 128,000 digital I/O points and 4,000 analog I/O points.
• Advanced User Memory: Equipped with 2 MB of user memory for efficient data processing.
• Integrated USB 2.0 Port: Simplifies programming and downloading tasks.
• Robust Power Specifications: Operates at a current draw of 800 mA at 5.1 VDC and 5 mA at 1.2 VDC.
• Thermal Efficiency: Low power dissipation of 2.5 W with thermal dissipation at 8.5 BTU/hour.
• Open-Style Enclosure: Versatile for integration into various systems.

Applications

1. Large-scale industrial automation systems.
2. Advanced control and monitoring in manufacturing.
3. Distributed I/O systems for both digital and analog signals.
4. Robust performance in environments needing conformal coating.

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1756-L71K (K suffix denotes conformally coated variant).
• User Memory: 2 MB
• I/O Memory: 0.98 MB
• Maximum Digital I/O: 128,000 points
• Maximum Analog I/O: 4,000 points
• Current Draw: 800 mA at 5.1 VDC; 5 mA at 1.2 VDC
• Power Dissipation: 2.5 W
• Isolation Voltage: 30 V continuous
• Enclosure Type: Open-style
• Thermal Dissipation: 8.5 BTU/hour

FAQ

1. What does the ‘K’ suffix in 1756-L71K signify?
The ‘K’ suffix indicates the module has conformal coating for enhanced durability in corrosive or high-moisture environments.

2. Can the module handle both analog and digital I/O?
Yes, it supports up to 128,000 digital I/O and 4,000 analog I/O points.

3. Is the USB 2.0 port used for programming?
Yes, the built-in USB 2.0 port simplifies programming and data downloads.

4. What industries commonly use this module?
It is widely used in manufacturing, energy, water treatment, and large-scale industrial control systems.

5. Is the module compatible with other ControlLogix series products?
Yes, it is designed for seamless integration with ControlLogix hardware.

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