Circuit Design, Inc. Official site

[For FA] MU-4 RS-232C Interface Board

Wireless conversion of existing PLCs and industrial PCs. Stable communication in the 429MHz band.

In the FA industry control systems, reliable data communication with PLCs and industrial PCs is essential. In particular, changes to the factory layout and wiring to movable parts can lead to increased costs and reduced maintainability. The MU-4 RS-232C interface board wireless enables existing PLCs and industrial PCs with RS232C interfaces, reducing wiring costs and allowing for flexible system construction. By adopting the 429MHz band, it achieves stable data transmission even in environments with many obstacles. 【Usage Scenarios】 - Communication between PLCs within the factory - Control of cranes - Alternative to long-distance wired connections 【Benefits of Implementation】 - Reduction of wiring costs - Flexible system construction - Reuse of existing protocols

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basic information

**Features** - RS232C (D-Sub 9-pin) interface - Stable data transmission in the 429MHz band - Direct transmission and reception of binary data - Equipped with an LED to check communication status - External power supply terminal **Our Strengths** As a pioneer in low-power wireless communication, we provide high-quality wireless devices that operate stably over long periods. We prioritize ensuring reliable wireless communication for our customers and our products are adopted in various fields, including factory automation, medical, security, and infrastructure monitoring.

Price information

Available for purchase from 1 unit. For price details, please visit our website.

Price range

P2

Delivery Time

P3

For more details, please contact us.

Model number/Brand name

MU4-RS2-429

Applications/Examples of results

【Applications】 Ideal for applications requiring reliability and distance, such as communication between PLCs within factories, crane control, monitoring water levels in manholes, and collecting environmental data in greenhouses. It is useful as an alternative to wired connections that are costly to install in outdoor facilities or mobile units, and are susceptible to noise over long distances. Additionally, it can monitor the radio wave environment using dedicated tools (Air Monitor), making it perfect for professional IoT and telemetry systems that require precise area design.

429MHz Band Specific Low Power Serial Data Transmission Wireless Modem MU-4-429

PRODUCT

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Distributors

We specialize in the design and manufacture of Specific Low-Power Radio (SLPR) equipment—a solution distinct from general wireless offerings. Our focus is on high-reliability wireless systems for industrial and professional applications that demand advanced stability and dependability, operable without complex licensing procedures. Our mission is to ensure unwavering wireless connectivity for your products. Our versatile radio modules and remote controls are widely adopted in fields where long-term stable operation and noise immunity are essential, including medical devices, security systems, and infrastructure monitoring. We apply strict quality control standards from the initial planning stages, providing highly durable wireless communication devices that comply fully with domestic radio regulations.