1756-L73XT | ControlLogix XT PAC | Allen-Bradley | 8MB Memory Module

Overview

The Allen-Bradley 1756-L73XT is a high-performance ControlLogix XT Programmable Automation Controller (PAC) designed for harsh industrial environments and demanding process control applications. This module provides 8 MB of user memory and supports deterministic I/O performance with advanced network connectivity options. Its compact XT form factor allows deployment in tight spaces while maintaining robust processing capabilities.

Technical Specifications

Processor & Memory

• Model: 1756-L73XT

• User Memory: 8 MB for program and data storage

• Processor Architecture: High-speed ControlLogix XT CPU for deterministic performance

• Non-volatile Storage: Supports program retention during power cycles

Communication & Networking

• EtherNet/IP Ports: Built-in for seamless integration into industrial networks

• Serial Ports: Optional RS-232/RS-485 interfaces for legacy device connectivity

• I/O Determinism: Supports precise timing for time-critical operations

Environmental & Physical

• Operating Temperature: -20°C to 60°C

• Storage Temperature: -40°C to 85°C

• Relative Humidity: 5–95% without condensation

• Mounting: Designed for XT-compatible racks

• Dimensions: Standard XT footprint for compact deployment

• Weight: Approximately 1.2 kg

Compatibility

• Compatible with XT I/O modules and ControlLogix system accessories

• Supports high-density distributed I/O configurations

• Ideal for industrial process control, machine automation, and critical system applications

Features

• High-speed ControlLogix XT CPU with 8 MB memory

• Deterministic performance for precise control

• Integrated EtherNet/IP for industrial networking

• Compact XT form factor for tight spaces

• Supports distributed I/O and advanced control strategies

Applications

The 1756-L73XT PAC is suitable for machine automation, process control, batch operations, and any application requiring high reliability and precise I/O control. It is particularly effective in environments where space is limited and performance is critical.

FAQ

Q: What is the user memory of 1756-L73XT?
A: The module provides 8 MB of user memory for programs and data.

Q: Which I/O modules are compatible?
A: It supports all XT I/O modules designed for ControlLogix systems.

Q: Can it operate in extreme temperatures?
A: Yes, it functions from -20°C to 60°C and can be stored between -40°C and 85°C.

Q: Does it support network connectivity?
A: Yes, it includes EtherNet/IP ports for seamless integration into industrial networks.