Product Overview

The Allen-Bradley 1756-L84E represents the pinnacle of the ControlLogix 5580 family. Designed for the era of the Industrial Internet of Things (IIoT), it delivers a massive 16 megabytes of user memory and features an integrated 1Gbps Ethernet port directly on the controller. This eliminate the need for additional communication bridge modules in many applications, significantly reducing rack space and system complexity.

At Xiongba Automation, we stay ahead of the curve. We know that sourcing a high-end CPU like the 1756-L84E requires more than just a part number—it requires a partner who understands the high-speed requirements of modern smart factories.

Technical Specifications:

• User Memory: 16 MB.

• Built-in Port: 1 x 1Gbps EtherNet/IP port (supports up to 250 nodes).

• Architecture: 5580 High-performance multitasking engine.

• Security: Integrated Controller-based Change Detection and Logging.

• Storage: Ships with industrial-grade SD card for non-volatile storage.

Verification & Risk Control

The 1756-L84E is an expensive investment. Xiongba Automation protects your purchase with a precision audit:

1. Gigabit Port Stress Test: We physically inspect the built-in Ethernet port to ensure no mechanical fatigue. A loose port on an L8 controller is a critical failure point.

2. Internal Energy Audit: Unlike older models, the L8 series has built-in energy storage. We power up the unit to ensure it passes the internal POST (Power-On Self-Test) without memory retention errors.

3. SD Card Verification: We ensure the original or a high-quality industrial SD card is seated properly, as it is vital for firmware storage and project backup.

4. 12-Month Hardware Warranty: 1-year B2B warranty is standard. Note: This does not cover damage from firmware "bricking" during an unauthorized or failed flash attempt.

5. Secure Global Logistics: Given the high value of the 1756-L84E, we use enhanced anti-static packaging and premium express carriers for all international shipments.

Project Lifecycle Support 

1. Tendering Stage (Bidding): For "Industry 4.0" or high-speed motion control bids, we provide formal quotes and technical compliance letters to help you secure the contract.

2. Procurement Stage (Real Order):

   • Share Your Target Price: As the flagship of the 5580 line, the L84E is a significant expense. Knowing your target price allows us to provide our most competitive global sourcing options.

   • Live Video Inspection: We prioritize L84E orders for live video verification, showing the unit's scrolling display and connectivity status.

RFQ Checklist 

1. Part number: 1756-L84E

2. Quantity: ___

3. Project Stage: Tendering or Procurement

4. Destination: ___ (e.g., Mexico, Germany, Thailand)

5. Target Price: ___ (Recommended for real orders)

6. Software Version: Which version of Studio 5000 are you using? (Helps us check firmware compatibility).

FAQ

Q: Do I still need a 1756-EN2T if I use the 1756-L84E? A: In many cases, No. The 1756-L84E has a 1Gbps port built-in that can handle up to 250 nodes. However, if you need network segregation or a DLR (Ring) topology, you might still add a 1756-EN2TR.

Q: Where is the battery/ESM? A: The L84E does not use external batteries or ESM modules. The energy storage is integrated into the controller's internal circuitry. This makes maintenance much easier.

Q: Is it compatible with older versions of RSLogix 5000? A: No. The 5580 series (L8) generally requires Studio 5000 Logix Designer Version 28 or higher. Please ensure your software environment is ready before purchasing this hardware.

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