The Allen Bradley 1783-NATR is a configurable industrial NAT (Network Address Translation) router designed for EtherNet/IP-based automation systems. It enables secure communication between machine-level networks and plant-wide control networks by translating IP addresses without modifying the underlying machine configuration.
This device is widely used in industrial automation architectures where multiple machines share identical IP structures but must still communicate seamlessly within a larger Ethernet infrastructure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Catalog Number | 1783-NATR |
| Product Type | Configurable NAT Router |
| Network Function | Network Address Translation (1:1 NAT) |
| Ethernet Ports | 3 × RJ45 copper ports |
| Port Speed | 10/100 Mbps |
| Network Topology Support | Linear and Device Level Ring (DLR) |
| IP Translation Capacity | Up to 32 mapping rules |
| Configuration Method | Web interface / EDS Add-On Profile |
| Power Supply | 24V DC (20.4–27.6V DC) |
| Power Consumption | ~5 W |
| Mounting Method | DIN rail mounting |
| Enclosure Rating | IP20 industrial enclosure |
| Isolation Voltage | Industrial-grade electrical isolation |
| Operating Temperature | -40°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5–95% non-condensing |
| Weight | ~0.38 kg |
| Dimensions (L×W×H) | 140 mm × 156 mm × 114 mm |
System Role Overview
The 1783-NATR acts as an industrial communication bridge between two Ethernet domains: a private machine network and a public plant network. It allows engineers to reuse identical IP addressing schemes across multiple machines without network conflicts.
Core functions include:
- 1:1 Network Address Translation (NAT)
- Separation of machine and plant Ethernet networks
- Support for EtherNet/IP communication traffic
- Simplified integration of multiple identical machine networks
- Web-based configuration and diagnostics
- SD-card based backup and restore of settings
- Support for linear and DLR topologies
Unlike traditional routers, it is optimized for deterministic industrial communication rather than general IT networking.
Recommended Related Models
| Model | Function |
|---|---|
| 1783-ETAP | EtherNet/IP tap module for DLR integration |
| 1783-US8T | Unmanaged industrial Ethernet switch |
| 1783-BMS10CGN | Managed Stratix 5700 switch |
| 1783-BMS06TL | Compact managed switch |
| 1756-EN2TR | ControlLogix Ethernet communication module |
| 1734-AENTR | POINT I/O Ethernet adapter |
Popular Allen Bradley Network Infrastructure Devices
| Model | Function |
|---|---|
| 1783-CMS series | Managed Stratix Ethernet switches |
| 1783-EMS series | Compact Stratix switches |
| 5069-AEN2TR | Compact I/O Ethernet adapter |
| 1734-AENT | POINT I/O Ethernet adapter |
| 1756-ENBT | EtherNet/IP bridge module |
