Overview of Allen Bradley 1788-EN2DNR
The Allen Bradley 1788-EN2DNR is a networking module designed to bridge EtherNet/IP and DeviceNet networks in industrial automation environments. This open-style device features two embedded Ethernet ports and one DeviceNet terminal port, supporting fast data transfer and reliable integration between different network types. The module supports CIP Safety, allowing for seamless bridging of safety I/O messages across networks. Rated for operation in temperatures from -25°C to +60°C, the 1788-EN2DNR is suitable for mounting on DIN rails or direct panel installation, making it a flexible solution for complex control systems. Its robust design, straightforward configuration, and support for online scanlist changes during operation help minimize downtime and simplify system maintenance.
Key Features of Allen Bradley 1788-EN2DNR
- Features two Ethernet ports and one DeviceNet terminal for flexible network bridging
- Supports up to 32 CIP Safety connections, with a maximum internal delay of 5 ms for safety-critical applications
- Allows up to 63 DeviceNet network nodes, supporting both master/scanner and slave/adapter functionality
- Beacon-based Device Level Ring increases network reliability with built-in redundancy
- Integrated web server for straightforward device configuration and monitoring
- Enables online scanlist changes (OSCAR), supporting run-mode configuration updates
- Supports Class 0, 1, and 3 connections for a wide range of communications
- Secure Digital (SD) card slot for firmware updates and data backup in industrial environments
- Mounting options include DIN rail or direct panel mounting with #8 (M4) screws
- IP20 rating is suitable for control cabinets and protected industrial environments
Technical Specs of Allen Bradley 1788-EN2DNR
| Attribute |
Specification |
| Power Supply |
24V DC (Logic: 150 mA; DeviceNet: 20 mA) |
| Operating Temperature |
-25°C to +60°C |
| Ethernet Ports |
2 (10/100 Mb, CAT5 STP/UTP) |
| DeviceNet Port |
1 (supports up to 63 nodes) |
| CIP Safety Connections |
32 (max internal delay 5 ms) |
| Mounting |
DIN rail or panel (M4 screws) |
| Enclosure |
Open-style, IP20 |
| Warranty |
1 year from date of billing |
Applications / Use Case
The Allen Bradley 1788-EN2DNR is ideal for industrial automation systems requiring reliable integration between Ethernet/IP and DeviceNet networks. Typical applications include factory automation, material handling, and safety-critical process control, where seamless communication between legacy DeviceNet devices and modern Ethernet-based controllers is needed. The module is widely used in environments with mixed network devices, helping to extend equipment lifecycle, maintain safety protocol integrity, and simplify system upgrades. Its ability to change scanlists online minimizes downtime during network reconfiguration, making it a practical choice for complex, evolving control architectures.
Related Resources
Verification Link: https://literature.rockwellautomation.com/idc/groups/literature/documents/um/1788-um059_-en-p.pdf
Meta Title: Allen Bradley 1788-EN2DNR EtherNet/IP to DeviceNet Linking Device | Industrial Automation Network Module
Meta Description: The Allen Bradley 1788-EN2DNR bridges EtherNet/IP and DeviceNet networks, supports CIP Safety, and features two Ethernet ports with 63 DeviceNet nodes—ideal for flexible, reliable industrial automation integration.
Tags: Allen Bradley, 1788-EN2DNR, EtherNet to DeviceNet, Network Linking Device, Industrial Automation, seodone
Image Alt Text: Allen Bradley 1788-EN2DNR EtherNet/IP to DeviceNet Linking Device networking module with two Ethernet ports and one DeviceNet terminal