دليل مستخدم محول Waveshare RS485 إلى إيثرنت

1. المقدمة

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. انتهى المنتجview والميزات

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.
• واجهة إيثرنت 10/100M Auto-MDI/MDIX، متوافقة مع كل من الكابلات المتقاطعة والكابلات المباشرة.
• 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 webالصفحة، أوامر AT، البروتوكول التسلسلي، وبروتوكول الشبكة.
• Support for customized heartbeat and registration packets for connection verification and device identification.
• قابلة للتخصيص webصفحة إعدادات الوحدة.
• 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.
• دعم بروتوكول DHCP لتكوين عناوين IP التي يتم الحصول عليها تلقائيًا أو عناوين IP الثابتة.
• يمكن ترقية البرامج الثابتة عبر الشبكة.
• Hardware and software options for restoring to factory settings.
• Customizable MAC address.

3. الإعداد

Follow these steps to set up your Waveshare RS485 to Ethernet Converter:

1. توصيل الطاقة: Connect a DC 5V power supply to the DC 5V input jack on the converter. The recommended input voltagهـ هو 5.0-7.0 فولت.
2. اتصال إيثرنت: Connect an Ethernet cable from the converter's RJ45 port to your network switch or router. The converter supports 10/100M Auto-MDI/MDIX.
3. اتصال RS485: Connect your RS485 device to the green screw terminal block. Ensure correct polarity for A+ (positive), B- (negative), and GND (ground).
4. الترتيب الأولي: 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. أوضاع التشغيل

يدعم المحول أوضاع تشغيل متنوعة لتناسب متطلبات التطبيقات المختلفة:

• خادم TCP: The converter listens for incoming TCP connections from clients.
• عميل TCP: The converter initiates a TCP connection to a specified server.
• خادم UDP: The converter listens for incoming UDP packets.
• عميل UDP: The converter sends UDP packets to a specified destination.
• عميل HTTPD: The converter can act as an HTTP client, supporting GET and POST requests.

5. التكوين

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.
• أوامر AT: Configure the device using AT commands sent via the serial port.
• البروتوكول التسلسلي: Utilize a dedicated serial protocol for configuration.
• بروتوكول الشبكة: Configuration can also be performed over the network using specific protocols.

ترقية البرامج الثابتة: The device's firmware can be updated over the network, ensuring access to the latest features and improvements.

اعدادات المصنع: The converter can be restored to its factory default settings via both software commands and a hardware reset button (Reload button).

6. البرمجيات

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. المواصفات

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.

8. استكشاف الأخطاء وإصلاحها

If you encounter issues with your Waveshare RS485 to Ethernet Converter, consider the following:

• لا يوجد اتصال بالشبكة: 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.
• لا يمكن الوصول Web الواجهة: 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 Communication Failure: 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.
• قضايا الطاقة: Confirm that the power adapter is correctly connected and providing the specified DC 5V (5.0-7.0V) power.
• بروتوكول مودبوس: Please note that this converter does لا natively support Modbus protocol. If your application requires Modbus, additional software or gateway solutions may be necessary.
• عدم الاستقرار العام: 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 webموقع.

9. الصيانة

To ensure the longevity and reliable operation of your converter:

• حافظ على نظافة جهازك وخلوه من الغبار. استخدم قطعة قماش ناعمة وجافة للتنظيف.
• Operate the device within the specified environmental conditions (temperature and humidity).
• تجنب تعريض الجهاز للرطوبة الزائدة أو درجات الحرارة القصوى.
• تأكد من التهوية المناسبة حول الوحدة لمنع ارتفاع درجة الحرارة.

10. الضمان والدعم

For information regarding product warranty, technical support, and additional resources, please refer to the official Waveshare webموقع:

www.waveshare.net

ال website provides comprehensive documentation, software downloads, and contact information for customer assistance.