Product Details
Overview
The 1756-L71 from Allen-Bradley is a high-performance ControlLogix programmable automation controller (PAC) designed for advanced industrial applications. It provides 2 MB of user memory and supports full redundancy and integrated motion control. This module is ideal for complex control, data acquisition, and motion integration tasks.
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Line: ControlLogix
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Part Number: 1756-L71
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Product Type: Programmable Automation Controller (PAC)
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Weight: 1.00 lbs (0.45 kg)
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Maximum Analog I/O: 4,000 points
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Maximum Digital I/O: 128,000 points
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Module Type: Processor Module
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User Memory: 2 MB
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Non-Volatile Memory: 1 GB (included)
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Number of Tasks: 32
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Programs per Task: 100
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Event Task Triggering: All triggers supported
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Built-in Communication: 1 USB port
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Optional Communication Adapters: EtherNet/IP, ControlNet, DeviceNet, DH+, Remote I/O, SynchLink, third-party networks
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Redundancy: Full support
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Integrated Motion Options: SERCOS interface, analog encoder input, LDT input, SSI input, motion on EtherNet/IP network
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I/O Memory: 0.98 MB
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Current Draw: 5 mA at 1.2 VDC; 800 mA at 5.1 V
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Power Dissipation: 2.5 W
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Thermal Dissipation: 8.5 BTU/hr
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Isolation Voltage: 30 V continuous
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Enclosure: Open
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Supported Communication: DeviceNet, ControlNet, EtherNet/IP, Remote I/O
Key Features
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High Performance: Supports up to 128,000 digital I/O points and 4,000 analog I/O points
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Advanced Memory: 2 MB user memory with 1 GB non-volatile memory
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Integrated Motion Control: SERCOS, encoder, SSI, and LDT inputs with EtherNet/IP motion integration
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Flexible Networking: Built-in USB and optional adapters for multiple industrial networks
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Redundancy Support: Full redundancy capabilities for mission-critical applications
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Efficient Thermal Management: Low power consumption with minimal heat generation
Applications
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Complex process control and automation
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High-speed data acquisition and processing
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Integrated motion control in manufacturing systems
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Redundant industrial control environments
FAQs
Q: What networking protocols are supported by this controller?
A: 1756-L71 supports EtherNet/IP, ControlNet, DeviceNet, DH+, Remote I/O, SynchLink, and select third-party networks.
Q: How much memory does it offer for user applications?
A: It provides 2 MB of user memory and 1 GB of non-volatile memory.
Q: Does it support integrated motion control?
A: Yes, it supports SERCOS interfaces, analog encoder inputs, LDT inputs, SSI inputs, and motion control via EtherNet/IP.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
Mastering Modern Industrial Joystick Controls in Heavy Automation
Industrial joysticks play a pivotal role in human-machine interaction across heavy material handling and mobile hydraulics. These tactile controllers translate complex operator movements into precise electrical signals for PLCs, motion controllers, and DCS networks. Consequently, selecting and installing the right joystick architecture ensures operator safety, reduces fatigue, and optimizes equipment performance.