Product Details
Product Description
The Allen-Bradley 1756-L85E is a high-performance controller from the ControlLogix 5580 series. Designed for demanding automation tasks, it offers advanced communication capabilities, large memory capacity, and full redundancy support. This processor module integrates seamlessly into ControlLogix systems, providing reliable control for large-scale industrial applications.
Technical Specifications
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Manufacturer Allen-Bradley
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Product Line ControlLogix 5580
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Category PLCs
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Part Number 1756-L85E
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Weight 0.44 lbs (0.20 kg)
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Module Type Processor Module
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Tasks Supported 32 tasks
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User Memory 4 MB
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Nonvolatile Memory 2 GB (1784-SD2 card included)
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Discrete I/O Capacity 128,000 points
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Analog I/O Capacity 4,000 points
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Communications USB and Ethernet ports
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USB Port Functions Programming, configuration, and online edits
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USB Communication Speed 12 Mbps
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Ethernet Communication Speed 10/100/1000 Mbps
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Ethernet Nodes Supported Up to 300
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Communication Speed 12 MB/s
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Current Draw (1.2 V DC) 5 mA
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Current Draw (5.1 V DC) 1.2 A
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Backplane Current (1.2 V DC) 5 mA
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Backplane Current (5.1 V DC) 1.2 mA
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Power Dissipation 6.2 W
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Thermal Dissipation 21.2 BTU/hr
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Isolation Voltage 50 V continuous
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Relative Humidity 5–95% non-condensing
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Redundancy Full support
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Programming Languages Relay Ladder, Structured Text, Function Block, Sequential Function Chart (SFC)
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Enclosure None (rack-mounted installation required)
Application Scenarios
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Large-scale industrial automation requiring high-speed communication
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Systems with extensive I/O demands and redundancy requirements
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Applications needing multiple programming languages for flexibility
FAQ
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Q: How much nonvolatile memory does the controller include? A: 2 GB, with an SD card (1784-SD2) shipped with the unit.
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Q: What communication speeds are supported? A: USB at 12 Mbps and Ethernet at 10/100/1000 Mbps.
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Q: Does the controller support redundancy? A: Yes, full redundancy is supported.
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.