소개
This manual provides instructions for the safe and efficient use of the TRU Components TC-12358892 TC-KW-190 USB to RS485/RS422 Serial Converter. This device facilitates communication between a computer's USB port and RS485 or RS422 serial devices. It features an integrated FTDI FT232RL chip for reliable data transfer and 4 kV ESD protection.
안전 정보
- Always handle the converter with care to prevent physical damage.
- Ensure proper grounding when connecting to other devices to avoid electrical hazards.
- The device includes 4 kV ESD (Electrostatic Discharge) protection. However, it is recommended to take standard ESD precautions when handling the device, especially in dry environments.
- Do not expose the device to moisture, extreme temperatures, or corrosive substances.
- 장치를 열거나 개조하지 마십시오. 모든 정비는 자격을 갖춘 기술자에게 맡기십시오.
패키지 내용
패키지에는 다음 품목이 포함되어야 합니다.
- 1 x TRU Components TC-12358892 TC-KW-190 USB to RS485/RS422 Serial Converter
누락되거나 손상된 품목이 있는 경우 공급업체에 문의하십시오.
설정
Follow these steps to set up your USB to RS485/RS422 serial converter:
- 드라이버 설치: Before connecting the converter, ensure that the necessary drivers for the FTDI FT232RL chip are installed on your computer's operating system. These drivers are typically available from the FTDI website or your operating system's update service.
- 컴퓨터에 연결: Plug the USB Type-A connector of the converter into an available USB port on your computer. The operating system should detect the new hardware.
- 직렬 장치에 연결: Connect the RS485/RS422 side of the converter to your serial device using appropriate wiring. Refer to your serial device's manual for specific wiring diagrams for RS485 (2-wire or 4-wire) or RS422 connections.
- 연결 확인: After connecting, check your computer's Device Manager (Windows) or equivalent system information (Linux/macOS) to confirm that the converter is recognized and assigned a COM port (Windows) or a serial device identifier.

Image: TRU Components TC-12358892 TC-KW-190 USB to RS485/RS422 Serial Converter. This image shows the compact design of the converter with its USB connector on one end and the terminal block for RS485/RS422 connections on the other.
작동 지침
Once the converter is successfully installed and recognized by your system, you can use it with serial communication software.
- COM 포트를 선택하십시오. Open your preferred serial communication software (e.g., PuTTY, Tera Term, or custom application) and select the COM port assigned to the converter.
- Configure Serial Parameters: Set the serial communication parameters (baud rate, data bits, parity, stop bits, flow control) to match those of your RS485/RS422 device. Incorrect settings will prevent communication.
- 의사소통 시작: Begin sending and receiving data as required by your application. The converter will transparently handle the USB to RS485/RS422 conversion.
- RS485/RS422 Mode Selection: Some converters may have jumpers or software settings to select between RS485 (2-wire/4-wire) and RS422 modes. Consult the specific documentation for the converter if such options are present.
유지
The TRU Components TC-12358892 TC-KW-190 converter requires minimal maintenance.
- 기기를 깨끗하고 먼지가 없는 상태로 유지하세요. 청소 시에는 부드럽고 마른 천을 사용하세요.
- 변환기를 사용하지 않을 때는 서늘하고 건조한 곳에 보관하십시오.
- 케이블 연결부에 마모나 손상 흔적이 있는지 정기적으로 점검하십시오.
문제 해결
변환기 사용 중 문제가 발생하면 다음 사항을 고려하십시오.
- 인식되지 않는 장치:
- Ensure drivers are correctly installed. Reinstall them if necessary.
- 컴퓨터의 다른 USB 포트를 사용해 보십시오.
- USB 케이블에 손상이 있는지 확인하십시오.
- 통신 없음:
- Verify that the correct COM port is selected in your software.
- Double-check all serial communication parameters (baud rate, data bits, parity, stop bits, flow control) to ensure they match the connected device.
- Inspect the RS485/RS422 wiring for correct polarity and connections.
- Confirm the RS485/RS422 device is powered on and functioning correctly.
- 간헐적 의사소통:
- Check for electromagnetic interference (EMI) from other devices.
- Ensure cable lengths are within specifications for RS485/RS422.
- Verify proper termination resistors are used on the RS485/RS422 bus if required by your setup.
명세서
| 특징 | 세부 사항 |
|---|---|
| 모델 | TC-12358892 (TC-KW-190) |
| 인터페이스 | USB to RS485/RS422 |
| 칩셋 | FTDI FT232RL |
| ESD 보호 | 4kV(XNUMXkV) |
| 입력 수 | 1 x (USB) |
| 출력 수 | 1 x (RS485/RS422) |
| 무게 | 60그램 |
| 제조업체 | TRU 구성 요소 |
보증 및 지원
For warranty information and technical support, please refer to the documentation provided with your purchase or contact TRU Components directly through their official web사이트. 보증 청구를 위해 구매 증빙 자료를 보관하세요.