Product Details
Product Overview
The 1756-L85EK represents the pinnacle of the ControlLogix 5580 controller family, designed for large-scale, high-performance automation tasks. It provides a massive 40 MB of user memory and high-speed communication capabilities to manage complex motion control and intensive data processing. This specific "K" version features conformal coating, providing an extra layer of protection against harsh industrial environments. We supply this unit as 100% Brand New original hardware, ensuring your facility benefits from maximum processing power and long-term environmental resilience.
Technical Specifications
The 1756-L85EK utilizes the high-performance ControlLogix 5580 engine to deliver superior execution speeds:
| Parameter | Specification |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Controller Series | ControlLogix 5580 |
| User Memory | 40 MB |
| Built-in Communication | 1 Gbps EtherNet/IP Port; USB 2.0 |
| EtherNet/IP Devices | Supports up to 300 Nodes |
| Local Display | 4-Character Scrolling Alpha-numeric Display |
| Environmental Protection | Conformal Coated (K-Series) |
| Module Width | Single Slot |
| Weight | 1.19 lbs (0.54 kg) |
Engineering Advantages
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Ultra-High-Speed Processing: The 5580 architecture delivers up to 45% more capacity and significantly faster scan times than previous generations. This speed enables the 1756-L85EK to handle high-axis-count motion and complex safety instructions within a single task.
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Corrosion Resistance (Conformal Coating): The internal circuit boards feature a specialized conformal coating. This protective layer shields sensitive electronics from salt spray, humidity, chemical vapors, and dust, preventing premature hardware failure in wastewater, oil & gas, or mining applications.
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Integrated Gigabit Networking: The built-in 1 Gbps Ethernet port facilitates high-speed data exchange and supports up to 300 EtherNet/IP devices. This eliminates the need for separate communication modules in many configurations, saving valuable chassis space.
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Streamlined Diagnostics: The integrated 4-character display provides real-time status updates and error codes directly on the front panel. This allow maintenance teams to identify network faults or internal errors instantly without connecting a laptop.
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No Battery Required: This controller utilizes advanced energy storage technology to maintain the internal clock and volatile memory during power loss. This eliminates the maintenance burden of periodic battery replacements and the risk of data loss due to dead batteries.
FAQs
Q: What does the "K" suffix in 1756-L85EK signify?
A: The "K" designates that the controller is Conformal Coated. This makes the unit suitable for "Class G3" environments where corrosive gases or high humidity would otherwise damage standard electronic components.
Q: How many EtherNet/IP nodes can this controller manage?
A: The 1756-L85EK supports up to 300 EtherNet/IP nodes. This high node count makes it ideal for large-scale decentralized I/O systems and plant-wide integration.
Q: Can I use the USB port for permanent HMI communication?
A: No. The USB 2.0 port serves primarily as a local programming and diagnostic interface. For permanent communication with HMIs or SCADA systems, use the high-speed 1 Gbps Ethernet port.
Q: Is the 1756-L85EK compatible with older 1756-series chassis?
A: Yes. The 1756-L85EK installs into standard ControlLogix 1756 chassis. However, to achieve full gigabit performance across the backplane, we recommend using the Series C or later chassis and updated power supplies.
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
Demystifying Programmable Logic Controllers: Comprehensive Guide to PLC Classification and Selection in Industrial Automation
Modern industrial automation heavily relies on Programmable Logic Controllers (PLCs) to drive factory floor efficiency. Over my 15 years as an industrial automation expert working with DCS, TSI, and control systems, I have seen PLCs evolve into the central nervous system of modern manufacturing. Selecting the right controller requires a deep understanding of PLC types based on physical size, hardware architecture, and power supply configurations.
Comprehensive Guide to PLC Types in Modern Industrial Automation
Modern industrial automation relies on programmable logic controllers to govern critical factory operations. System integrators classify PLCs based on scale, hardware architecture, and power supply design. Understanding these core categories enables automation engineers to select the right control system architecture. Consequently, proper hardware selection optimizes performance while minimizing long-term operational costs.
Demystifying the DDE Protocol in Legacy Industrial Automation Systems
Modern control systems rely heavily on seamless interprocess communication to exchange operational data between software programs. Microsoft first introduced the Dynamic Data Exchange (DDE) protocol in 1987 to enable real-time data sharing. In factory automation, DDE served as an early bridge between control software and Windows desktop applications. Therefore, understanding DDE mechanics provides crucial insights into how legacy industrial networks established software-level connectivity.