



The Allen Bradley 1783-LMS5 is a Stratix 2500 series lightly managed industrial Ethernet switch designed for compact automation systems requiring reliable, deterministic communication. It provides essential Layer 2 switching functions, basic management features, and industrial-grade durability for machine-level EtherNet/IP networks.
Engineered for small industrial control architectures, the 1783-LMS5 is widely used to connect PLCs, HMIs, drives, and distributed I/O in compact panels where simplicity, stability, and integration with Rockwell Automation systems are key priorities.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Catalog Number | 1783-LMS5 |
| Product Series | Stratix 2500 |
| Switch Type | Lightly Managed Industrial Ethernet Switch |
| Total Ports | 5 × RJ45 Ethernet ports |
| Port Speed | 10/100 Mbps |
| Network Protocol | EtherNet/IP, TCP/IP |
| Switching Features | VLAN support, IGMP snooping, port security |
| Management | Web-based configuration |
| Input Voltage | 12–24V DC |
| Power Consumption | ~4.2 W |
| Mounting Method | DIN rail mounting |
| Protection Rating | IP30 |
| Housing Material | Industrial open-style enclosure |
| Operating Temperature | -20°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5–95% non-condensing |
| Weight | ~0.5–1.35 kg (depending on configuration) |
| Dimensions (L×W×H) | 115 mm × 38.1 mm × 127 mm |
System Role Overview
The 1783-LMS5 is designed as a compact industrial Ethernet aggregation point for small automation systems. It provides stable communication between control devices while offering basic network segmentation and diagnostics.
Core functions include:
- Machine-level Ethernet switching
- EtherNet/IP device communication support
- Basic VLAN and traffic segmentation
- IGMP snooping for multicast optimization
- Simple industrial network diagnostics
- Integration with Stratix/Logix ecosystems
Its lightweight management features make it ideal for users who need more control than unmanaged switches but without full enterprise complexity.
Recommended Related Models
| Model | Function |
|---|---|
| 1783-EMS04T | Stratix 6000 unmanaged switch |
| 1783-BMS06TL | Stratix 5700 managed switch |
| 1783-US8T | Unmanaged industrial Ethernet switch |
| 1783-ETAP | EtherNet/IP tap module |
| 1756-ENBT | ControlLogix Ethernet module |
| 1734-AENTR | POINT I/O Ethernet adapter |
Popular Allen Bradley Networking Solutions
| Model | Function |
|---|---|
| 1783-CMS series | Advanced managed Stratix switches |
| 1783-NATR | Industrial NAT router |
| 1756-EN2TR | EtherNet/IP communication bridge |
| 5069-AEN2TR | Compact I/O Ethernet adapter |
| 1769-L36ERM | CompactLogix controller |