1. 서론
The Waveshare RS485 to Ethernet Converter (Model: RS485 TO ETH) is a device designed to facilitate communication between RS485 serial devices and an Ethernet network. It enables seamless data exchange, allowing RS485 devices to be integrated into modern IP-based systems. This manual provides essential information for the proper setup, operation, and maintenance of the converter.
Figure 1: Waveshare RS485 to Ethernet Converter with included power adapter. This image displays the Waveshare RS485 to Ethernet Converter unit alongside its power adapter. The converter features a black casing with green labels indicating DC 5V power input, Ethernet port, and RS485 screw terminals (A+, B-, GND). The power adapter is a standard wall plug type.
2. 제품 오버view 및 기능
The Waveshare RS485 to Ethernet Converter is built with a focus on performance and reliability. Key features include:
- M0 series 32-bit ARM processor for fast and efficient operation.
- 10/100M 자동 MDI/MDIX 이더넷 인터페이스는 크로스오버 케이블과 스트레이트 케이블 모두와 호환됩니다.
- Configurable RS485 baud rate from 600bps to 230.4Kbps, supporting None, Odd, Even, Mark, and Space parity options.
- Multiple working modes: TCP Server, TCP Client, UDP Server, UDP Client, and HTTPD Client (supports GET and POST).
- Flexible configuration options via web페이지, AT 명령어, 직렬 프로토콜 및 네트워크 프로토콜.
- Support for customized heartbeat and registration packets for connection verification and device identification.
- 사용자 정의 가능 web모듈 설정 페이지입니다.
- RFC2217-like protocol support for devices with changing serial settings.
- KeepAlive mechanism for detecting broken connections and automatic re-connection.
- Time-out reboot (no-data reboot) for long-term stable connections, with configurable reboot time.
- DNS domain name resolution and configurable DNS server.
- DHCP를 통해 IP 주소를 자동 할당받거나 고정 IP 주소를 설정할 수 있습니다.
- 네트워크를 통해 펌웨어 업그레이드가 가능합니다.
- Hardware and software options for restoring to factory settings.
- Customizable MAC address.
3. 설정
Follow these steps to set up your Waveshare RS485 to Ethernet Converter:
- 전원 연결: Connect a DC 5V power supply to the DC 5V input jack on the converter. The recommended input voltage는 5.0~7.0V입니다.
- 이더넷 연결: Connect an Ethernet cable from the converter's RJ45 port to your network switch or router. The converter supports 10/100M Auto-MDI/MDIX.
- RS485 연결: Connect your RS485 device to the green screw terminal block. Ensure correct polarity for A+ (positive), B- (negative), and GND (ground).
- 초기 구성: The device comes with default network settings. These are typically printed on a label on the bottom of the unit.
Figure 2: Bottom label of Waveshare RS485 to Ethernet Converter showing default network settings. The bottom of the converter unit displays a label with essential network configuration details: Model: RS485 TO ETH, Username: admin, Default IP: 192.168.0.7, Password: admin, MAC address, and Input power requirements (DC5-7V/500mA). The manufacturer's website, www.waveshare.net, is also listed.
For detailed setup instructions and advanced configurations, refer to the official Waveshare product wiki at www.waveshare.net.
4. 작동 모드
The converter supports various operating modes to suit different application requirements:
- TCP 서버: 변환기는 클라이언트로부터 들어오는 TCP 연결을 수신 대기합니다.
- TCP 클라이언트: The converter initiates a TCP connection to a specified server.
- UDP 서버: 변환기는 수신되는 UDP 패킷을 수신 대기합니다.
- UDP 클라이언트: The converter sends UDP packets to a specified destination.
- HTTPD 클라이언트: The converter can act as an HTTP client, supporting GET and POST requests.
5. 구성
The Waveshare RS485 to Ethernet Converter offers multiple methods for configuration:
- Webpage Configuration: Access the converter's built-in web interface using its IP address (default: 192.168.0.7) in a web browser. Use the default username 'admin' and password 'admin' for login.
- AT 명령: Configure the device using AT commands sent via the serial port.
- 직렬 프로토콜: Utilize a dedicated serial protocol for configuration.
- 네트워크 프로토콜: Configuration can also be performed over the network using specific protocols.
펌웨어 업그레이드: The device's firmware can be updated over the network, ensuring access to the latest features and improvements.
공장 초기화 : The converter can be restored to its factory default settings via both software commands and a hardware reset button (Reload button).
6. 소프트웨어
Waveshare provides supporting software to assist with the use and configuration of the converter:
- Module Configuration Software: A dedicated application for configuring the converter's parameters.
- TCP/UDP Testing Tool: Software for testing TCP and UDP communication.
- VCOM Virtual Serial Port Software: Allows the Ethernet port to be mapped as a virtual serial port on a computer.
Example code for various platforms (e.g., host computer socket, VB, C++, Delphi, Android, iOS) is also available from the manufacturer.
7. 사양
Figure 3: Technical specifications and dimension diagram for Waveshare RS485 to Ethernet Converter. A detailed diagram presenting the technical specifications for Ethernet, RS485, Power, and Environment, along with precise dimensions of the converter unit in millimeters. Key measurements like length, width, and height are indicated.
| 범주 | 매개변수 | 값 |
|---|---|---|
| 이더넷 | 커넥터 | RJ45 |
| 통신 속도 | 10/100Mbps | |
| 인터페이스 보호 | 1.5KV electromagnetic isolation | |
| 프로토콜 | IP, TCP, UDP, ARP, ICMP, DHCP, DNS, HTTPD Client | |
| TX/RX Cache | 6Kbyte / 4Kbyte | |
| RS485 | 커넥터 | Screw terminal (A+, B-, GND) |
| 데이터 비트 | 5비트, 6비트, 7비트, 8비트 | |
| 정지 비트 | 1, 2 | |
| 패리티 검사 | 없음, 홀수, 짝수, 마크, 스페이스 | |
| 전송 속도 | 600bps-230.4Kbps | |
| 인터페이스 보호 | 2KV ESD protection, RS485 pull up/down resistors: 2.2KΩ | |
| 힘 | 전원 공급 장치 | 5.0-7.0V (5V recommended) |
| 작동 전류 | 150mA(@5V) | |
| 전력 소비 | <1W | |
| 인터페이스 보호 | Reverse-proof, ESD protection, anti-surge | |
| 환경 | 작동 온도 | -25~75도 |
| 보관 온도 | -40~105도 | |
| 치수 | Unit (L x W x H) | 63.59mm x 41.13mm x 25.47mm (approximate, excluding mounting tabs) |
8. 문제 해결
If you encounter issues with your Waveshare RS485 to Ethernet Converter, consider the following:
- 네트워크 연결 없음: Verify that the Ethernet cable is securely connected and that your network infrastructure (router/switch) is functioning correctly. Check the converter's network indicator lights.
- 접근할 수 없습니다 Web 인터페이스: Ensure your computer's IP address is in the same subnet as the converter's default IP (192.168.0.7). If the IP has been changed, try to recall the new IP or perform a factory reset.
- RS485 통신 오류: Double-check the RS485 wiring for correct A+ and B- polarity. Ensure the baud rate, data bits, stop bits, and parity settings on the converter match those of your RS485 device.
- 전원 문제: Confirm that the power adapter is correctly connected and providing the specified DC 5V (5.0-7.0V) power.
- 모드버스 프로토콜: Please note that this converter does ~ 아니다 natively support Modbus protocol. If your application requires Modbus, additional software or gateway solutions may be necessary.
- 전반적인 불안정성: If the device experiences intermittent issues, consider performing a factory reset and reconfiguring it. Ensure the operating environment is within specified temperature ranges.
For more in-depth troubleshooting guides and technical support, visit the official Waveshare web대지.
9. 유지관리
To ensure the longevity and reliable operation of your converter:
- 기기를 깨끗하고 먼지가 없는 상태로 유지하세요. 청소 시에는 부드럽고 마른 천을 사용하세요.
- Operate the device within the specified environmental conditions (temperature and humidity).
- 장치를 과도한 습기나 극한 온도에 노출시키지 마십시오.
- 과열을 방지하려면 장치 주변에 적절한 환기가 이루어지도록 하십시오.
10. 보증 및 지원
제품 보증, 기술 지원 및 추가 자료에 대한 정보는 Waveshare 공식 웹사이트를 참조하십시오. web대지:
그만큼 website provides comprehensive documentation, software downloads, and contact information for customer assistance.
