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
Navigating Industrial Automation Failures: Types, Causes, and Mitigation Strategies
Modern manufacturing relies heavily on automated control systems to maximize throughput and maintain product quality. However, unplanned downtime in industrial automation can cost facility operators thousands of dollars per hour. Understanding how programmable logic controllers (PLCs), distributed control systems (DCS), and field instrumentation fail empowers engineering teams to implement robust preventive maintenance strategies.
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.
The Role of Intrinsic Safety Barriers in PLC and DCS Architectures
Implementing robust protection in hazardous industrial environments represents a fundamental safety requirement in factory automation. Process facilities often handle volatile gases, dusts, and chemical agents that pose significant combustion risks. Consequently, control system engineers must deploy energy-limiting interfaces to isolate safe-area control cabinets from hazardous-area field instrumentation. This article examines the function, selection, and electrical principles of intrinsic safety barriers within modern PLC and DCS networks.