This article covers MOXA 1ポート RS-232.

Overview

The Moxa UPort 1150 is a single-port USB-to-serial converter that brings RS-232, RS-422, and RS-485 connectivity to modern computers via a USB 2.0 interface. Designed for industrial and commercial environments, it allows legacy serial devices—such as PLCs, CNC machines, barcode scanners, and measurement instruments—to communicate with PCs that lack native serial ports. The converter supports software-selectable serial protocols (RS-232, RS-422, 4-wire RS-485, 2-wire RS-485) and features 15KV ESD protection on all serial signal lines for reliable operation in electrically noisy settings. Drivers are available for Windows, Windows Embedded CE 5.0, and Linux, making it a versatile choice for various operating systems.

Connectivity & Compatibility

The UPort 1150 connects to a host PC via a USB 2.0 Type-A port, offering data transfer rates up to 480 Mbps on the USB side. The serial interface uses a D-Sub 9-pin male connector, and the protocol (RS-232, RS-422, or RS-485) is selected through software without needing hardware jumpers. This flexibility allows a single converter to work with different serial devices. The device is compatible with Windows 10/11, Windows Embedded CE 5.0, and Linux kernels 2.6 and later. Moxa provides dedicated drivers that enable COM port mapping and fixed COM number assignment, ensuring consistent device identification across reboots.

Product Info

The UPort 1150 is an entry-level model in Moxa's UPort series, positioned for users who need reliable single-port serial connectivity without advanced features like isolation or multiple ports. It has been on the market for several years but remains a current product due to sustained demand in industrial automation. Pricing is around ¥20,000, which is higher than consumer-grade USB-to-serial cables, but the industrial-grade build quality, ESD protection, and multi-protocol support justify the cost for professional use. The warranty is typically 5 years (confirm with Moxa). The package includes only the converter and a quick installation guide; a serial cable must be purchased separately.

Best Use Cases

Industrial automation engineers: Ideal for connecting PLCs, CNC controllers, and robotic systems to a PC for programming, monitoring, or data logging. The 15KV ESD protection is critical in factory floors with electrical noise. Laboratory and R&D technicians: Perfect for interfacing with serial-port measurement devices like oscilloscopes, data loggers, and environmental sensors. Linux driver support makes it suitable for embedded systems such as Raspberry Pi. Legacy system maintainers: For businesses that rely on older serial peripherals (barcode readers, receipt printers, industrial terminals) that must continue working with modern PCs. Fixed COM port assignment simplifies integration with existing software. Not recommended for casual home use: If you only need to connect a simple serial device occasionally, a cheaper USB-to-serial cable (under $20) will suffice. The UPort 1150 is overkill for non-critical applications.

Product Disclosure (Amazon)

  • Manufacturer: Moxa
  • Seller: (株)ファースト
  • Fulfilled by: (株)ファースト
  • ASIN: B07S3ZCTSC
  • Note: This article covers a manufacturer-made product based on Amazon listing details.