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
-
Manufacturer: Allen-Bradley
-
Product Line: ControlLogix
-
Part Number: 1756-L71
-
Product Type: Programmable Automation Controller (PAC)
-
Weight: 1.00 lbs (0.45 kg)
-
Maximum Analog I/O: 4,000 points
-
Maximum Digital I/O: 128,000 points
-
Module Type: Processor Module
-
User Memory: 2 MB
-
Non-Volatile Memory: 1 GB (included)
-
Number of Tasks: 32
-
Programs per Task: 100
-
Event Task Triggering: All triggers supported
-
Built-in Communication: 1 USB port
-
Optional Communication Adapters: EtherNet/IP, ControlNet, DeviceNet, DH+, Remote I/O, SynchLink, third-party networks
-
Redundancy: Full support
-
Integrated Motion Options: SERCOS interface, analog encoder input, LDT input, SSI input, motion on EtherNet/IP network
-
I/O Memory: 0.98 MB
-
Current Draw: 5 mA at 1.2 VDC; 800 mA at 5.1 V
-
Power Dissipation: 2.5 W
-
Thermal Dissipation: 8.5 BTU/hr
-
Isolation Voltage: 30 V continuous
-
Enclosure: Open
-
Supported Communication: DeviceNet, ControlNet, EtherNet/IP, Remote I/O
Key Features
-
High Performance: Supports up to 128,000 digital I/O points and 4,000 analog I/O points
-
Advanced Memory: 2 MB user memory with 1 GB non-volatile memory
-
Integrated Motion Control: SERCOS, encoder, SSI, and LDT inputs with EtherNet/IP motion integration
-
Flexible Networking: Built-in USB and optional adapters for multiple industrial networks
-
Redundancy Support: Full redundancy capabilities for mission-critical applications
-
Efficient Thermal Management: Low power consumption with minimal heat generation
Applications
-
Complex process control and automation
-
High-speed data acquisition and processing
-
Integrated motion control in manufacturing systems
-
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
Strategic Selection: Choosing the Right SCADA Software for Your PLC Project
In industrial automation, the SCADA (Supervisory Control and Data Acquisition) system acts as the bridge between raw machine data and actionable human intelligence. Selecting the incorrect software platform can lead to integration bottlenecks, scalability issues, and excessive long-term maintenance costs. As an automation consultant with 15 years of experience, I have guided many projects through the selection process. Below are the essential criteria for choosing a platform that ensures both performance and longevity.
Ensuring Operational Continuity: The Strategic Value of Redundant Automation Systems
In modern industrial landscapes, unplanned downtime is the ultimate adversary. For sectors relying on complex PLC and DCS architectures, a single hardware failure can trigger catastrophic production losses. Therefore, implementing redundant automation systems is no longer a luxury; it is a fundamental requirement for mission-critical operations. In this article, I analyze why redundancy remains the backbone of reliable industrial infrastructure.
Selecting the Right Cables for Industrial Automation: A Comprehensive Guide
Selecting the appropriate cabling infrastructure is critical for the success of any industrial automation project. Improper cable selection often leads to signal degradation, system instability, and costly downtime. As an automation engineer, I frequently see projects compromised by poor cabling choices in harsh industrial environments. This guide simplifies the complex landscape of cabling to help you make informed decisions for your PLC, DCS, and control systems.