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
Optimizing Power Supply Sizing for Industrial Automation Systems
The power supply is the silent heartbeat of any industrial automation system. While engineers often prioritize processors and communication protocols, a stable power architecture remains the most critical factor for long-term reliability. In my 15 years of experience, I have found that neglecting power supply sizing often leads to ghost errors, intermittent field device failures, and costly production downtime.
PLC vs. PAC: Navigating Selection in Modern Industrial Automation
Selecting the right controller is a fundamental decision in industrial automation. While the lines between Programmable Logic Controllers (PLC) and Programmable Automation Controllers (PAC) often blur, understanding their core architectural differences is essential for system reliability. Both controllers serve as the brain of control systems, yet their specific capabilities dictate their suitability for various factory automation tasks.
Transforming Textile Manufacturing: The Strategic Integration of Industrial Automation and AI
The textile industry stands at a critical technological crossroads. Legacy operations must now embrace digital transformation to remain competitive in a global market. By integrating advanced industrial automation—ranging from PLC-controlled machinery to sophisticated AI-driven analytics—manufacturers can significantly boost productivity, minimize material waste, and elevate overall product quality.