1. はじめに
The Qiilu Industrial Grade Isolated USB to 4-Channel RS232 Converter provides a robust solution for connecting multiple RS232 serial devices to a computer via a single USB port. Designed for industrial environments, it features advanced isolation and protection mechanisms to ensure stable and reliable data communication. This manual provides detailed instructions for the proper setup, operation, and maintenance of your device.
図1: トップダウン view of the Qiilu USB to 4-Channel RS232 Converter, showing USB, power, and RS232 ports with LED indicators.
2 製品の特徴
- 高速パフォーマンス: Utilizes the original FT4232HL chip for stable and high-speed telecommunication, ensuring compatibility with various RS232 industrial devices.
- Advanced Isolation: Incorporates digital and power isolation mechanisms, offering low power consumption and strong anti-interference capabilities.
- サージVoltag保護: Equipped with Transient Voltage Suppression (TVS) design to effectively mitigate surge and transient spike voltages, providing superior thunder and static protection.
- 現在および巻tage Guard: Features a self-resetting fuse and diode to maintain stable output current and voltage, safeguarding the device from overcurrent and overvoltag条件。
- ユーザーフレンドリーなインジケーター: Includes external LED indicators for power supply and data transmission statuses (TXD/RXD), simplifying operation and monitoring.
3. パッケージ内容
パッケージには以下のアイテムが含まれています:
- 1 x USB to RS232 Converter
- 1 x Power Adapter (for DC 5-36V input)
- USBケーブル1本
Figure 2: The converter unit shown with its accompanying power adapter and USB cable.
4. 仕様
| 特徴 | 説明 |
|---|---|
| アイテムタイプ | Industrial Grade Isolated USB to RS232 Converter |
| 材料 | アルミニウム合金 |
| ホストインターフェース | USB |
| デバイスインターフェース | RS232 (4-channel) |
| Telecommunication Range | 300bps ~ 921600bps |
| USB Interface Working Level | 5V |
| USBコネクタタイプ | USB Bポート |
| USB Interface Guard | 200mA Self-Restoring Fuse, Isolated Output |
| USB Output Distance | 約5メートル（16.4フィート） |
| 電源Vol。tage | 5～36V DC |
| Power Supply Terminals Interface Guard | 逆接続保護 |
| RS232 Interface Form | DB9 Female Head |
| RS232 Interface Guard | TVS Tube Guard, Static Protection |
| RS232 Distance | 約15メートル（49.2フィート） |
| 動作温度範囲 | -40℃ ～ 85℃ |
| 動作湿度範囲 | 5% ~ 95%RH |
| オペレーティングシステムの互換性 | For OS X, for Linux, for Android |
| ブランド | チールー |
| モデル番号 | Qiilu4a27tudq0n |
| アイテム重量 | 293グラム |
5. セットアップ手順
- 接続電源： Connect the provided power adapter to the DC 5-36V power input terminal on the converter. Ensure the power source matches the specified voltage範囲。
- Connect USB Host: Connect one end of the USB cable to the USB B port on the converter and the other end to an available USB port on your computer (host device).
- ドライバーのインストール： Your operating system may automatically install necessary drivers. If not, please refer to the manufacturer's website for driver downloads specific to the FT4232HL chip.
- Connect RS232 Devices: Connect your RS232 serial devices to the DB9 female head ports (PORT1, PORT2, PORT3, PORT4) on the converter.
図3: 角度付き view highlighting the USB, power input, and RS232 ports for connection.
6. 操作手順
Once connected and powered, the converter will begin operation. Monitor the LED indicators for status:
- PWR（電源インジケーター）： This LED turns red when the USB is connected and voltage is detected, indicating the device is powered on.
- TXD (Send Indicator): This LED turns green when data is being sent from the RS232 interface.
- RXD (Receiving Indicator): This LED turns blue when data is being received by the RS232 interface.
図 4: 拡大図 view of the PWR, TXD, and RXD LED indicators on the converter.
7. メンテナンス
- Keep the converter in a clean, dry environment.
- Avoid exposing the device to extreme temperatures or humidity outside the specified operating range.
- cを開こうとしないでくださいasing or modify the internal components, as this will void the warranty and may damage the device.
- 外側は柔らかく乾いた布で拭いてください。液体クリーナーは使用しないでください。
8。 トラブルシューティング
- 電源なし（PWR LED オフ）:
- Check if the USB cable is securely connected to both the converter and the host device.
- Verify that the host device's USB port is functional.
- Ensure the power adapter is correctly connected and providing power within the 5-36V range.
- No Data Transmission (TXD/RXD LEDs off during communication):
- Confirm that the RS232 devices are properly connected to the converter's DB9 ports.
- Verify that the RS232 devices are powered on and configured correctly.
- Check your software settings on the host computer to ensure the correct COM port is selected and communication parameters (baud rate, data bits, parity, stop bits) match those of the RS232 device.
- Ensure the drivers for the FT4232HL chip are correctly installed.
- 断続的な接続:
- すべてのケーブル接続に緩みがないか確認してください。
- Ensure the USB and RS232 cable lengths do not exceed the recommended distances (5m for USB, 15m for RS232).
- 他の電子機器からの電磁干渉を最小限に抑えます。
9. 保証情報
This product comes with a manufacturer's warranty for 90 days from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accident, unauthorized modification, or improper installation.
10. サポート
For further assistance or technical support, please contact Qiilu customer service. When seeking support, please refer to the product model number Qiilu4a27tudq0n.