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- SKU: 23626
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This is an RS232/485/422 device data acquisitor/IoT gateway designed for an industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. Adopting RS232/485/422 and Ethernet interface with PoE function, it can be connected with screw terminals for power input by the power port (outer diameter: 5.5mm, inner diameter: 21mm). The rail-type case design, is small in size, easy to install, and cost-effective. It is very suitable for collecting the data of RS232/485/422 and sensors in the industrial field, including local network collection or uploading to the data that the cloud server autonomously collects and sends.
| Model | RS232/485/422 TO POE ETH (B) |
|---|---|
| Product type | Serial server, Modbus gateway, MQTT gateway |
| Primary function | Realize the bidirectional transparent transmission function of RS232/485/422 to Ethernet |
| Communication interface | RS232/485/422 × 1, Ethernet port × 1 |
| Power supply | Screw terminal DC 6~36V or PoE network port |
| Isolation protection | Power isolation, signal isolation protection |
| Communication interface | |
| Ethernet | PoE Ethernet port, support IEEE 802.3af standard |
| 10 / 100M self-adaptive RJ45 interface, 2KV surge protection | |
| Serial port | Isolated RS232/485/422 |
| Serial parameters | |
| Baud rate | 300 ~ 115200 bps |
| Parity bit | none, odd parity, even parity, mark, space |
| Data bits | 5 ~ 9 bits |
| Flow Control | no flow control |
| Software | |
| Protocol | ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS |
| Configuration method | PC configuration, WEB browser, device management function library |
| Communication method | TCP/IP direct communication, virtual serial port mode |
| Operating mode | TCP server, TCP client (TCP server also coexist), UDP, UDP multicast |
| Other | |
| Operating temperature | -40℃ ~ 85℃ |
| Humidity range | 5% ~ 95% relative humidity |
| Dimensions | L × W × H: 88.7 × 64.5 × 24.2 mm |
Software Features
- Support TCP server, TCP client, UDP mode, and UDP multicast. When used as a TCP client, it also supports TCP server functions. It supports 30 TCP connections as a TCP server and 7 destination IPs as a TCP client.
- The baud rate supports 1200~115200bps, the data bit supports 5~9 bits, and the parity bit can be in five ways: no parity, odd parity, even parity, mark, and space.
- Supports the function of sending MAC address on device connection, which is convenient for cloud management of devices.
- Provides a secondary development kit DLL development library for searching and configuring devices on the computer side.
- Support Web browser configuration, support DHCP to obtain IP dynamically, and DNS protocol to connect domain name server address.
- Support cloud remote search for devices, configure device parameters, and upgrade device programs.
- Support viewing the TCP connection status, and the data sending and receiving of the serial port. The virtual serial port also supports the monitoring function.
Advanced Software Features
- Support Modbus gateway function, support Modbus RTU to Modbus TCP. It can support storage-type Modbus, which can automatically collect and store device data; it also supports non-storage-mode Modbus gateways.
- Support multi-host function: In the query mode of one question and one answer, it supports the network port to allow multiple computers to access the same serial port device at the same time.
- Support MQTT gateway function.
- Support JSON to Modbus RTU and 645-meter protocol, support upload data in HTTP POST, HTTP GET format.
- Support NTP protocol to obtain network time, which is used for serial port output, and the latter is used for protocol content upload.
- Supports custom heartbeat package and registration package functions: it can facilitate communication with the cloud and device identification.
- Supports the function that TCP requires password authentication to establish a connection to ensure connection security.
- Support the data transmission and delivery function with http, and the cloud can directly use the GET command of http to communicate with the serial port of the device.
Applications
- For connecting the device and the cloud terminal as the IoT gateway
- Electricity, smart instruments, and energy consumption monitor
- Remote monitoring and program download for various automation PLCs
- Various configuration software and equipment communication interface
- Networking of equipment in the field of access control and security
How to use?





Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)





