Product Details
Product Description
The 1756-L55 is a high-performance ControlLogix 5555 controller from Allen-Bradley, designed to provide reliable and precise control for complex automation systems. This open-style module delivers efficient power management, flexible connectivity, and robust thermal performance for industrial applications.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model / Part Number: 1756-L55
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Product Line: ControlLogix 5555
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Module Type: PLC Controller
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Weight: 0.34 kg (0.75 lbs)
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User Memory: None
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Backplane Current: 1.23–1.25 A at 5.1 V DC; 0.014 A at 24 V DC
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Power Dissipation: 5.6–5.7 W
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Thermal Dissipation: 19.1–19.4 BTU/hr
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Isolation Voltage: 30 V continuous
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Enclosure Type: Open-style (no enclosure)
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Battery Included: 1756-BA1
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Operating Temperature: 0–60 °C (32–140 °F)
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Storage Temperature: -40–85 °C (-40–185 °F)
Key Features
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Compact and lightweight open-style controller
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Integrated battery support (1756-BA1) for memory retention
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Efficient thermal and power management for continuous operation
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Compatible with ControlLogix 5555 series chassis
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High reliability with industrial-grade isolation voltage
Applications
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Central controller for ControlLogix automation systems
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Process control, machine automation, and high-speed logic applications
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Suitable for applications requiring precise I/O coordination
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
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.