Product Details
Overview
The Allen-Bradley 1756-L84E is a high-performance ControlLogix 5580 controller module designed for advanced industrial automation systems. It delivers extensive digital and analog I/O capacity, reliable communication interfaces, and robust operation for open-style rack installations.
Technical Specifications
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Model / Part Number: 1756-L84E
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Brand: Allen-Bradley
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Product Type: ControlLogix 5580 Controller Module
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Module Type: Controller
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User Memory: 20 MB
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Maximum Digital I/O: 128,000 points
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Maximum Analog I/O: 4,000 points
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Maximum I/O: 128,000 points
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Communication Interfaces: 1× Ethernet, 1× USB
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Power Supply Current Draw: 5.1 V DC: 1.20 mA, 1.2 V DC: 5.0 mA
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Power Dissipation: 6.2 Watts
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Thermal Dissipation: 21.2 BTU/hour
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Isolation Voltage: 50 Volts continuous
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Enclosure Type: None (open-style module)
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Compatible Chassis: 1756-A4, A4K, A7, A7K, A10, A10K, A13, A13K, A17, A17K Series B/C
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Weight: 0.94 lbs (0.43 kg)
Application Scenarios
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Mid-to-large scale PLC control systems requiring high-density digital and analog I/O
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Integration with ControlLogix 5580 I/O networks for process automation
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Open-style rack configurations in industrial control cabinets
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Expansion of existing ControlLogix systems for additional I/O capacity
Comparison with Similar Models
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1756-L84E vs 1756-L83E: L84E offers higher memory and enhanced I/O handling, suitable for more demanding applications.
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ControlLogix 5580 Series: L84E is ideal for systems that require compact modules with high digital and analog I/O density.
FAQs
Q1: What communication options are available on the 1756-L84E?
It includes one Ethernet port for network communication and one USB port for programming and configuration.
Q2: Which chassis are compatible with this controller?
It is compatible with 1756-A4, A4K, A7, A7K, A10, A10K, A13, A13K, A17, and A17K Series B/C chassis.
Q3: How much I/O can this module manage?
The controller supports up to 128,000 digital points and 4,000 analog points.
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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
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.