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RS-232⇔422/485 Converter ULI-224TC

2kV insulation + DIN rail compatible! Industrial converter for control panels

The ULI-224TC is an industrial converter that converts RS-232 signals to RS-422/485, enabling long-distance communication of up to 1.2 km. With 2 kV optical isolation, it protects the data lines and safeguards equipment from voltage surges and ground loops. Its compact design is compatible with DIN rail mounting, making it ideal for control panels and factory networks. It supports industrial protocols such as Modbus RTU and offers a communication speed of up to 19.2 kbps. An external power supply (10-30 VDC) is required to ensure stable operation.

Product page

basic information

- Conversion: RS-232 ⇔ RS-422/485 (bidirectional) - Communication distance: Up to 1.2km - Data rate: Up to 19.2kbps - Isolation protection: 2kV optical isolation (data line) - Power supply method: External power supply (10-30VDC) - RS-232 connector: DB9 female or terminal block - RS-422/485 connection: Terminal block - Operating temperature: -40 to +80°C - Size/Weight: 25×79×95mm, approximately 249g - Certification: CE, FCC, RoHS

Price information

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Delivery Time

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Model number/Brand name

ULI-224TC

Applications/Examples of results

- RS-232 to RS-485 conversion within the control panel - Connection to Modbus RTU compatible devices - Long-distance communication within the factory network - Signal isolation measures for industrial control systems

Line up(1)

Model number overview
ULI-224TC(BB-485LDRC9) RS-232 DB9/TB⇔RS-422/485 TB, 2kV isolation, DIN rail compatible

Data Sheet: ULI-224 Series

DOCUMENT

[Case Studies Included] Serial/USB Communication Devices Product Guide

PRODUCT

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CATALOG

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Distributors

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.