1. Увод
The Waveshare Industrial Serial Server RS485 to RJ45 Ethernet TCP/IP to Serial Module, Model RS485 TO ETH (B), is an industrial-grade device designed for data acquisition and IoT gateway applications. It integrates multiple functions including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON conversion.
This module features RS485 and Ethernet ports, utilizes screw terminals for power input, and supports a 9~24V wide range power supply. Its rail-mount, flame-retardant case design ensures compact size and ease of installation, making it suitable for various industrial environments such as data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring.

2. Производ је готовview
The RS485 TO ETH (B) module facilitates bi-directional transparent data transmission between RS485 and Ethernet. It supports various communication modes and protocols for flexible integration into existing systems.

2.1. Key Interfaces
- РС485 порт: For serial communication with RS485 devices.
- РЈ45 Етхернет порт: For network connectivity (TCP/IP).
- Улазна снага: Screw terminals for 9~24V DC power supply.
- ЛЕД индикатори: PWR (Power), LINK (Ethernet Link), ACT (Activity).

3. Подешавање
3.1. Повезивање хардвера
- Напајање: Connect a 9~24V DC power supply to the screw terminals (V+ and V-). Ensure correct polarity. A 12V industrial DIN-rail power supply is recommended.
- Етхернет веза: Connect the RJ45 Ethernet port to your network switch or router using a standard Ethernet cable.
- РС485 веза: Connect your RS485 device to the RS485 screw terminals (485A, 485B).

3.2. Rail-Mount Installation
The module is designed for easy installation on a DIN-rail. Simply clip the module onto a standard DIN-rail in your industrial cabinet.

3.3. Почетна конфигурација
The module can be configured via a host, web browser, or device management functions library. For initial setup, it is often easiest to use a web претраживач.
- Connect your computer to the same network as the module.
- Refer to the module's documentation for the default IP address and login credentials.
- Access the module's web interface through a browser to configure network settings (DHCP or static IP), serial port parameters (baud rate, parity, data bits, stop bits), and operating modes.
4. Радни режими
The module supports various communication modes to suit different application requirements:
- ТЦП сервер: Allows multiple TCP clients to connect to the module and receive data from the serial device.
- TCP клијент: The module actively connects to a remote TCP server, enabling bi-directional data transfer.
- UDP режим: Supports UDP server and UDP client for connectionless data transmission.
- Modbus Gateway: Converts Modbus RTU/ASCII data to Modbus TCP for seamless integration with Modbus TCP networks.
- MQTT Gateway: Enables serial data upload to MQTT servers for IoT applications.
- RS485 to JSON: Converts RS485 data into JSON format for web-базиране апликације.


5. Спецификације
The following table details the technical specifications of the Waveshare Industrial Serial Server RS485 TO ETH (B) module:
| Категорија | Параметар | Валуе |
|---|---|---|
| генерал | Врста производа | Serial server, Modbus Gateway, MQTT Gateway |
| Основна функција | Bi-directional transparent data transmission between RS485 and Ethernet | |
| Број модела артикла | RS485 TO ETH (B) | |
| Интерфејси | Комуникациони интерфејс | RS485 port x 1, Ethernet port x 1 |
| Интерфејс чврстог диска | Етхернет | |
| Повер | Напајање | 9 ~ 24V DC screw terminal |
| Тип главног конектора за напајање | Вијчани терминали | |
| Заштита | Заштита изолације | N/C (Not applicable for this version) |
| Етхернет | Етхернет | 10 / 100M auto-negotiation RJ45 connector |
| Сериал | Серијски порт | РС485 |
| Број бауда | 300 ~ 115200 бпс | |
| Паритет мало | none, odd, even, mark, space | |
| Дата бит | 5 ~ 9 bits | |
| софтвер | Протокол | ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS |
| Конфигурација | домаћин, web browser, device management functions library | |
| Метод комуникације | TCP/IP direct communication, VCOM | |
| Радни режим | TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast | |
| Животна средина | Радна температура | -40°Ц ~ 85°Ц |
| Температура складиштења | -40°Ц ~ 100°Ц | |
| Распон влажности | 5% ~ 95% релативне влажности | |
| Физички | Димензије (Д×Ш×В) | 87 × 36 × 59 мм |

6. Одржавање
- Чишћење: Користите меку, суву крпу за чишћење модула. Избегавајте употребу течних средстава за чишћење или растварача.
- Услови животне средине: Ensure the module operates within the specified temperature and humidity ranges to prevent damage and ensure optimal performance.
- Ажурирања фирмвера: Periodically check the Waveshare official website for firmware updates to enhance functionality and security.
КСНУМКС. Решавање проблема
- No Power (PWR LED off): Verify the power supply connection and ensure the voltage is within the 9~24V DC range.
- No Network Link (LINK LED off): Check the Ethernet cable connection to the router/switch. Ensure the network device is powered on and functioning correctly.
- Без преноса података:
- Confirm serial port parameters (baud rate, parity, data bits, stop bits) match the connected RS485 device.
- Verify network settings (IP address, gateway, DNS) are correctly configured.
- Check the operating mode (TCP Server/Client, UDP) and ensure it aligns with your application.
- Ensure the RS485 wiring (A/B) is correct.
- Модул не реагује: Try restarting the module by cycling its power. If the issue persists, perform a factory reset (refer to the full user manual for instructions on how to perform a factory reset).
8. Гаранција и подршка
Waveshare products typically come with a standard manufacturer's warranty. For specific warranty details, technical support, or further assistance, please refer to the official Waveshare webсајт или директно контактирајте њихову корисничку службу.
Additional resources, including detailed user manuals, software tools, and FAQs, can be found on the Waveshare product page for the RS485 TO ETH (B) module.