Description
The Allen‑Bradley 1783‑US05T is a 5‑port unmanaged industrial Ethernet switch from the Stratix 2000™ family, designed to provide reliable, plug‑and‑play network connectivity for small industrial control networks. Manufactured by Rockwell Automation, this entry‑level switch requires zero software configuration, making it ideal for connecting PLCs, HMIs, drives, and I/O devices in machine‑level applications.
With five 10/100Base‑TX RJ45 ports, the 1783‑US05T offers auto‑negotiation for speed and duplex, automatic cable crossover detection, and broadcast storm protection—all within a compact, DIN‑rail mountable enclosure that fits easily into space‑constrained control cabinets.
Application Scenarios
In a packaging machinery OEM facility, engineers needed a cost‑effective, reliable solution to connect a CompactLogix controller, an HMI panel, and three servo drives within a single machine cell. The Allen‑Bradley 1783‑US05T was deployed as the central network hub, providing immediate connectivity upon power‑up without any IP configuration or IT intervention. The switch’s broadcast storm protection prevented network flooding from occasional device resets, ensuring uninterrupted machine operation. The OEM reduced panel wiring complexity by 40% and cut commissioning time significantly compared to using managed switches.
The 1783‑US05T excels in applications where simplicity and reliability are paramount—from standalone machine control networks and material handling equipment to local I/O racks and diagnostic tool connections. Its flexible power input (10‑30V AC/DC) allows integration with existing control transformers without additional power supplies.
Parameters
| Main Parameters | Value/Description |
|---|---|
| Product Model | 1783‑US05T |
| Manufacturer | Allen‑Bradley / Rockwell Automation |
| Product Category | Unmanaged Industrial Ethernet Switch |
| Number of Ports | 5 x 10/100Base‑TX RJ45 copper ports |
| Network Speed | 10/100 Mbps auto‑sensing per port |
| Duplex Mode | Full or half‑duplex, auto‑negotiated |
| Power Input | 10‑24V AC (50/60 Hz) or 10‑35V DC |
| Power Consumption | 4.0 W maximum; 400 mA max @ 10V DC |
| Operating Temperature | 0°C to 60°C (standard) |
| Mounting Type | 35mm DIN rail (top‑hat rail) |
| Enclosure Rating | IP20 (open‑style) |
| Dimensions (H×W×D) | 114.5 × 29.6 × 68 mm (approx.) |
| Protection Features | Broadcast storm protection, automatic cable crossover detection |
Technical Principles and Innovative Values
Innovation Point 1: True Plug‑and‑Play Operation
The 1783‑US05T requires no IP address assignment, software configuration, or network management. It operates immediately upon power‑up, automatically negotiating speed and duplex settings with connected devices. This eliminates the need for specialized IT skills on the plant floor, reducing deployment time by up to 80% compared to managed switches.
Innovation Point 2: Broadcast Storm Protection for Industrial Reliability
Unlike commercial‑grade switches, the 1783‑US05T includes integrated broadcast storm protection with configurable thresholds (20 packets/sec for 10 Mbps ports, 200 packets/sec for 100 Mbps ports). This prevents network‑wide disruptions caused by malfunctioning devices—a critical feature in industrial environments where network stability directly impacts production uptime.
Innovation Point 3: Flexible Dual‑Power Input with Industrial Certifications
The 1783‑US05T accepts both AC and DC power across a wide range (10‑30V AC/DC), allowing direct connection to existing control transformers. The module carries UL, cULus, CE, and Class I Division 2 hazardous location certifications, ensuring compliance with global industrial safety standards.
Innovation Point 4: Fanless, Rugged Design for Industrial Environments
The 1783‑US05T features passive, fanless cooling and a metal housing that withstands industrial vibration (2g @ 10‑150 Hz) and shock (15g operating). This design eliminates mechanical failure points common in fan‑cooled equipment, extending service life in dusty, high‑temperature environments.
