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Unlock Industrial IoT Potential
The Waveshare RS485 to Ethernet Converter acts as an industrial serial device server, facilitating seamless bi-directional data transmission between RS485 and Ethernet networks. It is designed for demanding industrial environments, featuring a rail-mount, flame-retardant case and supporting a wide 9-24V DC power supply. This module is crucial for applications requiring robust data acquisition, IoT gateway functionality, and intelligent instrument monitoring, bridging legacy serial devices with modern network infrastructure.
This converter supports multiple communication protocols, including Modbus Gateway, MQTT/JSON to Modbus, and various TCP/IP modes like TCP Server, TCP Client, UDP, and UDP Multicast. It offers 10/100M auto-negotiation Ethernet with 2 KV surge protection and a standard RS485 interface. Configuration is flexible, accessible via web browser or host software, making it adaptable to diverse industrial setups. It can handle up to 32 slave devices on the RS485 side and supports multi-host roll-polling without crosstalk.
For Indian industries, this device offers a reliable way to integrate existing RS485 equipment into modern networks, enhancing automation and data collection capabilities. It supports baud rates from 300 to 115200 bps and is compatible with various data bit and parity settings. The device is powered via screw terminals, ensuring secure connections. All customs duties and GST are included in the price, with delivery via ExpressBox tracked shipping to your pincode.
Bridging Legacy to Modern Networks
This industrial serial server is engineered to bridge the gap between older RS485 equipment and modern Ethernet networks. Its robust design, wide power input range (9-24V DC), and comprehensive protocol support make it ideal for integrating existing industrial machinery into IoT ecosystems. The rail-mount, flame-retardant case ensures safety and easy installation in control cabinets. Unlike basic converters, it offers advanced features like Modbus gateway functionality and MQTT support, allowing for sophisticated data aggregation and cloud connectivity. This ensures your industrial assets remain relevant and connected in the evolving digital landscape.
Who It's For vs. Who Should Skip It
This converter is perfect for industrial automation engineers, IoT developers, and system integrators needing to connect RS485 devices (like PLCs, sensors, or industrial instruments) to an Ethernet network. It's ideal for applications requiring Modbus TCP/IP communication, data logging, or remote monitoring. Skip this if you only need a simple USB-to-serial adapter for a single PC connection, as its advanced networking features would be overkill. Also, ensure your RS485 devices are compatible with standard serial communication parameters (baud rate, parity, data bits) and that you have the necessary network infrastructure.
Typical situations where Waveshare RS485 to Ethernet Converter Industrial Serial Device Server TCP/IP to Serial Module with 9-24V Wide Power Supply | Supports Modbus Gateway helps — illustrative scenarios, not customer reviews.
An Indian manufacturing plant needs to integrate legacy RS485 sensors into a new IoT monitoring system for real-time data collection.
This converter connects the RS485 sensors to the plant's Ethernet network. It supports Modbus and MQTT, allowing data to be sent to a cloud platform for analysis and alerts, improving operational efficiency.
A system integrator in India is setting up a smart building automation system that requires serial communication between devices and a central server.
The converter acts as a serial device server, enabling communication between RS485-based building management systems (like HVAC controllers) and the central Ethernet network, facilitating remote control and monitoring.
| Baud Rate | 300 ~ 115200 bps |
| Parity Bit | None, Odd, Even, Mark, Space |
| Data Bit | 5 ~ 9 bits |
| Flow Control | N/A |
| Package Content | 1 x RS485 to ETH (B) module |
| Cost per unit | 1 unit at ₹6,065 — ₹6,065 per unit |
| Feature | Waveshare RS485 to | Others |
|---|---|---|
| Functionality | Industrial Serial Server, Modbus Gateway, MQTT/JSON to Modbus, TCP/UDP modes, 32 slave devices, 2KV surge protection. | Basic RS485 to Ethernet adapters often lack Modbus/MQTT support, have fewer slave device limits, and may lack surge protection. Prices vary widely. |
| Power Supply | Wide range 9-24V DC input via screw terminal. | May require specific 5V or 12V adapters, sometimes sold separately. Input range can be narrower. |
| Build & Environment | Rail-mount, flame-retardant case. Wide operating temp: -40℃ to 85℃. | Often plastic casing, may not be rail-mount or flame-retardant. Operating temperature range can be more limited. |
| Configuration & Protocols | Web browser, host software. Supports TCP Server/Client, UDP, MQTT, Modbus, DHCP, DNS. | Configuration might be command-line based or limited. Protocol support can be basic TCP/UDP only. |
| Cost per unit | 1 unit at ₹6,065 — ₹6,065 per unit | Basic adapters may start around ₹2,000-₹4,000, while advanced Modbus gateways can range from ₹5,000-₹15,000+ depending on features and brand. |
| SKU | aga1198 |
| GTIN | 0755291678611 |
| Brand | Waveshare |
| Model Number | AUB09MQTP16W |
| Color | Transparent |
| Material | Flame-retardant ABS |
| Dimensions (L×W×H) | 87 × 36 × 59 mm (3.43 × 1.42 × 2.32 inches) |
| Weight | 120 g (0.26 lb) |
| Power Supply | 9 ~ 24V DC, screw terminal |
| Ethernet Interface | 10/100M auto-negotiation RJ45 connector, 2 KV surge protection |
| Serial Port | RS485 × 1 (RXD, TXD, GND) |
| Supported Slave Devices | 32 |
| Operating Temperature | -40℃ ~ 85℃ (-40℉ ~ 185℉) |
| Storage Temperature | -45℃ ~ 165℃ (-49℉ ~ 329℉) |
| Humidity Range | 5% ~ 95% RH (non-condensing) |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
About waveshare
Waveshare specializes in industrial electronics, offering a wide range of development boards, converters, and IoT solutions designed for professional and industrial applications.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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This item:
Waveshare RS485 to Ethernet Converter Industrial Serial Device Server TCP/IP to Serial Module with 9-24V Wide Power Supply | Supports Modbus Gateway, MQTT/JSON, TCP/UDP Modes
6,065
This item
Waveshare RS485 to Ethernet Converter Industrial Serial Device Server TCP/IP to Serial Module with 9-24V Wide Power Supply | Supports Modbus Gateway, MQTT/JSON, TCP/UDP Modes
6,065
Total price:
10,580
You save 4,631 (30%) Extra3 items selected
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10,580You save 4,631 (30%) Extra
| Attributes | Current |  |  |  |  |  | |
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 6,065 8,997 | 2,579 3,570 | 1,936 2,644 | 1,936 2,831 | 1,936 3,893 | 1,936 3,084 | 2,711 4,255 |
| Rating | 3.80(8) | 4.80(900) | 4.50(114) | 5.00(7) | 5.00(2) | 5.00(5) | 4.60(13) |
| Brand Name | waveshare | DSD TECH | ANMBEST | ANMBEST | ANMBEST | ANMBEST | ANMBEST |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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