Moxa UPort 1150 USB to 1-Port RS-232/422/485 Serial Converter Instruction Manual

1. Introduction and Overview

The Moxa UPort 1150 is a high-performance USB to 1-port RS-232/422/485 serial converter designed to seamlessly connect legacy serial devices to modern computers via a USB interface. This converter is ideal for industrial automation, POS systems, data acquisition, and other applications requiring reliable serial communication. It features high-speed data transmission, broad operating system compatibility, and robust protection features.

Figure 1: Moxa UPort 1150 USB to 1-Port RS-232/422/485 Serial Converter. This image displays the compact silver converter unit with a USB-A connector on one end and a DB9-female serial port on the other. Three small indicator LEDs are visible on the top surface.

2. Product Features

• High-Speed USB 2.0 Connectivity: Supports data transmission rates up to 480 Mbps for the USB interface.
• Fast Serial Data Transmission: Achieves a maximum baudrate of 921.6 kbps for efficient serial communication.
• Broad Operating System Support: Drivers are provided for Windows, Windows CE, and Linux operating systems, ensuring wide compatibility.
• Easy Wiring with Mini-DB9-to-Terminal-Block Adapter: Includes a mini-DB9-female-to-terminal-block adapter for convenient and flexible wiring of various serial devices.
• LED Indicators for Activity Monitoring: Equipped with LEDs to indicate USB activity (Active) and serial data transmission/reception (TxD/RxD), aiding in status monitoring and troubleshooting.
• Enhanced ESD Protection: Features 15KV ESD protection to safeguard the device and connected equipment from electrostatic discharge. Certain models (designated with "-I") offer 2 kV isolation protection for industrial environments.

3. Setup Guide

3.1. Package Contents

• Moxa UPort 1150 USB to 1-Port RS-232/422/485 Serial Converter
• Mini-DB9-female-to-terminal-block adapter
• Documentation (Quick Installation Guide, Driver CD/Download Information)

3.2. Driver Installation

1. Do NOT connect the UPort 1150 to your computer yet.
2. Insert the provided driver CD into your computer's CD-ROM drive, or download the latest drivers from the official Moxa website (www.moxa.com).
3. Follow the on-screen instructions to install the drivers for your specific operating system (Windows, Windows CE, or Linux).
4. Once the driver installation is complete, proceed to hardware connection.

3.3. Hardware Connection

1. Connect the USB-A connector of the UPort 1150 to an available USB port on your computer. The 'Active' LED on the converter should illuminate, indicating power.
2. Connect your RS-232/422/485 serial device to the DB9-female port on the UPort 1150. If your device uses a terminal block connection, first attach the mini-DB9-female-to-terminal-block adapter to the UPort 1150, then wire your serial device to the appropriate terminals on the adapter.
3. Your operating system should now recognize the UPort 1150 and assign a COM port number. You can verify this in your system's Device Manager (Windows) or by using relevant commands (Linux).

4. Operating Instructions

4.1. LED Indicators

The UPort 1150 features three LED indicators to provide real-time status information:

• Active LED: Illuminates when the UPort 1150 is powered on and successfully connected to the USB host.
• TxD LED (Transmit Data): Flashes when data is being transmitted from the computer through the serial port to the connected device.
• RxD LED (Receive Data): Flashes when data is being received by the serial port from the connected device to the computer.

4.2. Serial Port Configuration

To ensure proper communication, configure the serial port settings in your application or operating system to match those of your connected serial device. Key settings include:

• Baud Rate: Up to 921.6 kbps (e.g., 9600, 19200, 115200).
• Data Bits: 5, 6, 7, or 8.
• Stop Bits: 1, 1.5, or 2.
• Parity: None, Odd, Even, Mark, Space.
• Flow Control: None, Hardware (RTS/CTS), Software (XON/XOFF).

5. Specifications

6. Troubleshooting

• Device Not Recognized:
  • Ensure the USB cable is securely connected to both the UPort 1150 and the computer.
  • Verify that the drivers are correctly installed. Check Device Manager (Windows) for any yellow exclamation marks.
  • Try connecting to a different USB port on your computer.
• No Data Transmission/Reception:
  • Check the TxD and RxD LEDs on the UPort 1150. If they are not flashing during communication attempts, there might be an issue with the serial device or its settings.
  • Confirm that the serial port settings (baud rate, data bits, stop bits, parity, flow control) in your software application match those of the connected serial device.
  • Ensure the serial cable connecting the UPort 1150 to your device is correctly wired and securely attached.
• Compatibility Issues:
  • The UPort 1150 supports Windows, Windows CE, and Linux. Ensure your operating system is compatible.
  • Note that the product does not support Windows ARM systems.

7. Maintenance

To ensure the longevity and optimal performance of your Moxa UPort 1150, follow these maintenance guidelines:

• Keep the device clean and free from dust and debris. Use a soft, dry cloth for cleaning.
• Avoid exposing the converter to extreme temperatures, humidity, or direct sunlight.
• Handle the cables and connectors with care to prevent physical damage. Do not pull on the cables to disconnect the device.
• Store the device in a safe, dry place when not in use.

8. Related Product Videos

9. Warranty and Support

For specific warranty information and technical support regarding your Moxa UPort 1150, please refer to the documentation included with your product or visit the official Moxa website. Warranty terms and support options may vary by region and reseller.