1756-L74 - Processor Module Allen-Bradley

1756-L74 ControlLogix processor Allen-Bradley 

Technical Specifications

• Brand: Allen-Bradley
• Model: 1756-L74
• Series: ControlLogix 5570
• Product Type: Programmable Automation Controller
• User Memory: 16 MB program storage
• I/O Memory: 0.98 MB dedicated capacity
• Non-Volatile Memory: 1 GB SD card included

Memory Configuration

• 16 MB user memory for data and program storage
• 0.98 MB high-speed I/O memory
• Pre-installed 1 GB 1784-SD1 Secure Digital card
• Expandable to 2 GB using 1784-SD2 memory card
• 32 task capacity with 100 programs per task
• All event triggers supported for maximum flexibility

Communication Interfaces

• Integrated USB 2.0 programming port
• EtherNet/IP network communication support
• ControlNet and DeviceNet adapter compatibility
• Data Highway Plus protocol support
• Remote I/O and SynchLink capabilities
• Third-party network integration

I/O Capacity & Motion Features

• Maximum Digital I/O: 128,000 points
• Maximum Analog I/O: 4,000 points
• SERCOS interface for precision motion control
• Integrated motion over EtherNet/IP
• Encoder input and SSI input options
• Full controller redundancy support

Power Requirements

• Current Consumption: 800 mA at 5.1V DC
• Power Dissipation: 2.5 Watts maximum
• Thermal Output: 8.5 BTU per hour
• Isolation Rating: 30 Volts continuous
• Compatible with standard 1756 power supplies
• Power supply redundancy support available

Physical Specifications

• Single-slot module design
• Compatible with all ControlLogix chassis
• 1756-ESMCAP energy storage module pre-installed
• Operating temperature: 0°C to 60°C
• Storage temperature: -40°C to 85°C
• Vibration resistant: 2g at 10-500 Hz

Installation Guide

• Install in any slot of 1756 chassis
• Use compatible energy storage modules
• Ensure proper power supply capacity
• Follow ESD protection procedures
• Maintain adequate ventilation
• Verify chassis grounding

Packaging & Shipping

• Factory new original equipment
• Includes 1 GB SD memory card
• Anti-static protective packaging
• Complete documentation included
• FedEx, UPS, DHL shipping options
• 5 business day processing time

Frequently Asked Questions

Is the 1756-L74 brand new and available?
Yes, we supply only new original equipment with current stock availability.

What memory capacity does it include?
The controller ships with 1 GB non-volatile memory via 1784-SD1 card.

How soon do you ship orders?
We process and ship within 5 business days using major carriers.

Does it support motion control applications?
Yes, featuring SERCOS interface and EtherNet/IP motion control.

What is your return policy?
30-day return period for unused products in original packaging.

What power supplies are compatible?
Works with 1756-PA50, PA72 and redundancy power supplies.

Contact our sales team for technical specifications or purchasing:

sales@nex-auto.com