USB to RS-232/422/485 Converter ULI-314DC
![ULI-314DC_02--20231107164649[1].jpg](https://image.mono.ipros.com/public/product/image/245492/IPROS10805935763549237895.jpg?w=280&h=280)
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4-port + 2kV insulation! High-reliability model for industrial USB ⇔ serial conversion.
The ULI-314DC is an industrial USB-to-serial converter that can add four RS-232/422/485 ports to a PC's USB port. It supports USB 2.0 (up to 480Mbps) and serial communication at speeds of up to 921.6kbps. With 2kV port-to-port isolation, it provides electrical separation between the upstream PC and downstream devices, as well as between each port, protecting equipment from voltage surges and ground loops. It features a robust metal housing, is compatible with DIN rail and panel mounting, and operates in a wide temperature range of -40 to +85°C. It has obtained UL Class 1/Division 2 certification, making it ideal for harsh industrial environments. It also supports industrial protocols such as Modbus RTU, providing reliable communication for control panels and field services.
basic information
- Conversion: USB⇔RS-232/422/485 (4 ports) - Communication distance: Up to 1.2km (RS-485) - Data rate: Up to 921.6kbps - USB specification: USB 2.0 (up to 480Mbps), Type B high retention connector - Isolation protection: 2kV inter-port isolation - ESD protection: 15kV (air), 8kV (contact) - Surge protection: ±0.5kV (DC port), ±1kV (signal port) - Power supply method: External power supply (10-48VDC), power consumption 4.5W - RS-232/422/485 connectors: DB9 male x4 - Operating temperature: -40 to +85°C - Enclosure/Mounting: Metal enclosure, DIN rail/panel mount compatible - Size/Weight: 203×35×120mm, approximately 748g - Certification: UL C1/D2, CE, FCC, RoHS
Price information
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Model number/Brand name
ULI-314DC
Applications/Examples of results
- Connection of industrial PCs and multiple serial devices (PLC, measuring instruments) - Data collection via USB connection of Modbus RTU compatible devices - Sites requiring voltage surge and ground loop countermeasures - High-reliability serial communication within control panels - Simultaneous connection of multiple ports in field service
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Line up（1）
| Model number | overview |
|---|---|
| ULI-314DC（BB-USR604） | USB⇔RS-232/422/485 (4 ports), 2kV isolation, UL certified |
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In 1983, Advantech (Advantech Co., Ltd.) was founded in Taiwan. For over 40 years, we have been developing high-quality and high-performance computers for industrial applications. As of 2024, we offer a lineup of over 3,000 various IoT devices. As the world's No. 1 manufacturer in the industrial computer market, with a presence in 95 cities across 26 countries, we aim to cultivate a prosperous future by solving social issues through AI × IoT platform services. *Source: OMDIA - No. 1 in global market share for industrial PCs, 42.5% (2023 edition)* In Japan, we established Advantech Co., Ltd. in 1997. In 2018, we formed a capital and business alliance with Omron Nogata Co., Ltd. to further expand sales and to quickly respond to market demands by offering design to production (DMS/ODM) services. By merging Taiwan's speed with the technological expertise we have cultivated over the years, we will establish a brand that meets the needs of our partners.