Product Details
Product Overview
The Allen Bradley 20-750-ENETR provides high-performance networking capabilities for PowerFlex 750-Series Variable Frequency Drives (VFDs). This dual-port EtherNet/IP option module facilitates seamless integration between the drive and Logix-based control systems. It enables real-time data exchange, drive configuration, and advanced diagnostics over a standard industrial Ethernet backbone. We supply this module as 100% Brand New original equipment, ensuring full firmware compatibility and high-speed synchronization for your motion control applications.
Technical Specifications
The 20-750-ENETR utilizes the DPI protocol to interface with the drive while providing high-speed Ethernet connectivity to the plant network.
| Feature | Specification |
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Module Type | EtherNet/IP Option Module |
| Drive Compatibility | PowerFlex 753 and PowerFlex 755 |
| Number of Ports | 2 (RJ45) |
| Ethernet Data Rates | 10/100 Mbps (Full or Half-Duplex) |
| Drive Protocol | DPI (Drive Peripheral Interface) |
| DPI Data Rate | 500 Kbps |
| DPI Current Draw | 250 mA at 14V DC |
| Operating Temp | 0 to 40°C (32 to 104°F) |
| Network Topology | Star, Linear, or Device Level Ring (DLR) |
Engineering Advantages
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DLR Topology Support: The dual-port design allows the implementation of a Device Level Ring (DLR) topology. This enhances network resiliency by providing a redundant communication path; the network continues to operate without interruption even if a single cable segment fails.
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Simplified Drive Commissioning: This module eliminates the need for complex serial adapters. Engineers configure the drive directly through Studio 5000 Logix Designer or Connected Components Workbench software via the Ethernet port, significantly reducing startup time.
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Advanced Internal Diagnostics: The module monitors drive status and internal parameters in real-time. It pushes critical fault data and energy consumption metrics directly to the HMI or controller, allowing for proactive maintenance and reduced unscheduled downtime.
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High-Speed Synchronization: The 10/100 Mbps data rate ensures low-latency command execution. The module handles high-bandwidth traffic effectively, preventing network bottlenecks during large-scale data transfers or high-axis count coordination.
FAQs
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Does the 20-750-ENETR require an external power supply?
No. The module draws its required 250 mA operating current directly from the drive's internal DPI bus. This eliminates additional wiring and simplifies the physical installation within the drive's option slot.
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Can I use this module to connect two different drives together?
The dual ports function as an embedded switch. You use the ports to "daisy-chain" multiple drives in a linear or ring topology, which reduces the number of ports required on your primary industrial Ethernet switch.
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How do I set the IP address for the module?
You can set the IP address using the BOOTP/DHCP utility, through the drive’s Human Interface Module (HIM), or via software tools like Studio 5000. The module stores the address in non-volatile memory to ensure it persists after a power cycle.
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Is this module compatible with PowerFlex 753 drives?
Yes. While the PowerFlex 755 features a built-in Ethernet port, the 20-750-ENETR serves as the primary Ethernet interface for the PowerFlex 753. In PowerFlex 755 applications, engineers often add this module to provide a second, isolated network path or to enable DLR functionality.
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
Mastering PLC Programming: Best Practices for Robust Industrial Automation
Writing clean PLC code requires discipline, especially regarding memory management. Avoid overusing SET and RESET instructions, as they often complicate debugging. If multiple rungs control the same bit, troubleshooting becomes a nightmare. Instead, focus on energizing a bit in only one location. If your logic requires complex conditions, use branches within a single rung. This approach keeps your code readable, maintainable, and significantly easier to audit during downtime.
PLC vs. HMI: Distinguishing the Brain from the Interface in Industrial Automation
In the realm of industrial automation, distinguishing between a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) is fundamental. While both devices work in tandem, they serve distinct purposes. The PLC acts as the "brain" of the operation, executing logic, whereas the HMI serves as the "eyes," allowing operators to monitor and interact with the system. Understanding this synergy is essential for any professional designing robust factory automation solutions.
Selecting the Right Industrial Automation Solution for Modern Manufacturing
Choosing an effective industrial automation system starts with a thorough process audit. You must identify tasks that are repetitive, labor-intensive, or prone to human error. Not every process requires high-level automation; therefore, prioritize operations that directly impact throughput and quality. By scoping your needs accurately, you avoid over-investing in unnecessary technology. A balanced approach ensures that your capital expenditure aligns with measurable gains in operational efficiency.