Allen-Bradley | 1756-L73 | ControlLogix 5570

Product Description: Allen-Bradley 1756-L73

The Allen-Bradley 1756-L73 is a ControlLogix 5570 standard controller that provides 16 MB of user memory and high-speed processing capabilities for complex and data-intensive industrial automation systems. It is designed to manage large I/O counts, high-performance logic execution, and motion applications when used with suitable communication modules. This controller is ideal for scalable control systems requiring enhanced memory and connection capacity.

Key Features

• 16 MB user memory
• High-performance logic execution and data handling
• Supports up to 128 motion axes over EtherNet/IP
• Compatible with ControlLogix 1756 chassis and I/O modules
• Integrated USB 2.0 port for programming and diagnostics
• Requires communication modules (e.g., 1756-EN2T, 1756-CN2) for networking
• Battery-backed memory with energy storage module support
• Secure firmware and program access features
• Supported in Studio 5000 Logix Designer

Technical Specifications

• User Memory: 16 MB
• I/O Capacity: Over 100,000 digital/analog points (via distributed I/O)
• Max Communication Connections: Up to 250
• Max Motion Axes: 128 (via EtherNet/IP)
• Ports: 1 x USB 2.0 (type B, for programming and diagnostics)
• Ports: Optional network ports via add-on modules
• Battery: 1756-BA2 or 1756-ESMCAP/ESMCAPK (energy storage)
• Power Requirement: 1.1 A @ 5.1V DC
• Operating Temperature: 0°C to +60°C
• Enclosure Type: Open (IP20), for control cabinet mounting
• Mounting: ControlLogix 1756 chassis (rack-mounted)
• Certifications: UL, CE, cULus, RoHS, CSA

Application Areas

• Large machine and process automation
• Packaging and material handling systems
• Industrial manufacturing lines
• OEM and system integrator control platforms
• SCADA, HMI, and DCS-style supervisory systems

Advantages

• Large memory capacity suitable for complex applications
• Fast scan times and motion control capabilities
• Modular and scalable platform with wide network options
• Easy integration with Logix-based architecture
• Robust diagnostics and security features for critical operations