1756-L71 Allen-Bradley Processor Module

Allen-Bradley 1756-L71 ControlLogix Logix5571 Processor

Key Technical Specifications

• The 1756-L71 features 2 MB user memory
• I/O memory capacity of 0.98 MB
• Supports up to 128,000 digital I/O points
• Handles 4,000 analog I/O points
• Power consumption: 800 mA at 5.1V DC
• Maximum power dissipation: 2.5 Watts
• Brand: Allen-Bradley, Model: 1756-L71

Memory and Storage Features

• Includes 1 GB non-volatile memory card
• Upgradeable to 2 GB with 1784-SD2 card
• Supports 32 tasks with 100 programs each
• Capacitor-based energy storage modules
• No battery required for memory retention
• Removable energy storage modules

Communication Capabilities

• Built-in USB 2.0 programming port
• Supports EtherNet/IP, ControlNet, and DeviceNet
• Compatible with Data Highway Plus and Remote I/O
• Integrated motion control with SERCOS interface
• Full redundancy support for critical applications
• Four-character display for status monitoring

System Configuration

• Installs in any compatible ControlLogix chassis
• Supports 1756-A4, A7, A10, A13, A17 chassis
• Open-style enclosure for standard installation
• Operating temperature: 0 to 60°C (32 to 140°F)
• Vibration resistance: 2G at 10-500 Hz
• Operating shock rating: 30G

Frequently Asked Questions

Is the 1756-L71 controller genuine Allen-Bradley?

• Yes, we supply only authentic Allen-Bradley products

What memory capacity does this processor have?

• The 1756-L71 has 2 MB user memory and 0.98 MB I/O memory

How many I/O points can it handle?

• It supports 128,000 digital and 4,000 analog I/O points

Does it require a battery for memory backup?

• No, it uses capacitor-based energy storage modules instead

What is your shipping policy?

• We ship within 5 business days with 30-day returns

For technical specifications or purchasing assistance, contact us at sales@nex-auto.com.