Product Details
Product Overview
The 1788-EN2DNR from Allen-Bradley connects EtherNet/IP networks directly to DeviceNet segments in industrial control systems. This linking device enables PLCs and controllers to access, monitor, and control up to 63 DeviceNet slave devices through standard Ethernet infrastructure.
This unit ships as 100% Brand New original hardware, ensuring full lifecycle reliability and compatibility with modern automation architectures. The integrated web server allows engineers to configure diagnostics, monitor network status, and manage DeviceNet nodes without additional software tools.
The dual Ethernet ports support flexible network topologies such as linear and ring configurations, while deterministic communication maintains real-time data exchange between control layers.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Product Type | EtherNet/IP to DeviceNet Linking Device |
| Series | 1788 Linking Devices |
| Part Number | 1788-EN2DNR |
| Ethernet Ports | 2 × RJ45 |
| DeviceNet Ports | 1 × Terminal |
| Max DeviceNet Nodes | 63 Slaves |
| Input Power | 24 V DC |
| DeviceNet Power | 24 V DC |
| Isolation Voltage | 30 V |
| Ethernet Connections | 32 Class 0, 21 Class 1, 16 Class 3 |
| Mounting | DIN Rail |
| Enclosure | Open Type |
| Operating Shock | 30G |
| Weight | 0.56 lbs (0.26 kg) |
| Power Wiring | 0.25–2.5 mm² |
| DeviceNet Wiring | 0.52 mm² |
| Integrated Web Server | Yes |
Engineering Advantages
The 1788-EN2DNR solves a common integration challenge: connecting legacy DeviceNet field devices to modern EtherNet/IP control systems without replacing installed infrastructure.
Engineers install the module directly on a DIN rail inside standard control cabinets. The compact open-type enclosure fits easily into space-constrained panels. Dual Ethernet ports allow daisy-chain wiring, reducing switch requirements and simplifying panel layout.
The device maintains stable communication under industrial electrical noise. It isolates DeviceNet and Ethernet segments, minimizing interference and improving signal integrity in high-EMI environments such as motor control centers and process plants.
The built-in web server accelerates commissioning. Engineers access diagnostics through a browser, identify node faults, and adjust parameters without dedicated configuration software. This reduces downtime during startup and maintenance.
The module supports multiple CIP connection classes, enabling real-time I/O control, monitoring, and explicit messaging simultaneously. This flexibility supports both high-speed automation tasks and supervisory data exchange.
FAQs
Q1: Can this module replace older DeviceNet scanners?
Yes. The 1788-EN2DNR replaces traditional DeviceNet scanner modules by providing Ethernet-based control access while maintaining compatibility with existing DeviceNet devices.
Q2: How many devices can I connect on the DeviceNet side?
You can connect up to 63 DeviceNet slave devices, depending on network power and topology constraints.
Q3: Does the device require special configuration software?
No. The integrated web server allows direct configuration, diagnostics, and monitoring through a standard web browser.
Q4: What should I consider during installation?
Ensure stable 24 V DC power supply, proper grounding, and correct DeviceNet termination. Maintain cable separation from high-power lines to reduce electromagnetic interference.
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
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.
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.