W232N

The W232N is an industrial-grade Ethernet to RS232 converter, designed to provide reliable and efficient protocol conversion, including Modbus TCP to RTU/ASCII. With support for 10/100Mbps Ethernet, up to 230kbps serial speed, and a wide input voltage range of 5V to 36V, it ensures stable performance in industrial environments. Certified by KC and FCC, and offering multiple configuration options, the W232N is an ideal solution for seamless Ethernet integration in existing serial devices.

Serial to Ethernet

UART x1, up to 230 kbps

Industrial-grade hardware reliability

Wide input powerSupport DIN RAIL

Certifiation

CE/FCC/KC

Easy Config

Support Config Tool and Web Config

Key Features

Various Network Modes

Supports TCP server, TCP client, and UDP mode

Advanced Protocol & Security

Supports MQTT(S) for IoT, SSL/TLS for secure communication, and ModbusTCP/RTU for industrial use

Robust and stable hardware design

Supports 5 - 36VDC input power.-40℃ to 85℃ Operation temperatureSupport DIN Rail MountStill CaseOEM customization available

Flexible Configuration Options

Configured via Command, Configuration Tool, and Web Server Config

Features

RS232 to Ethernet protocol conversion device
Support multiple protocols
- TCP Server
- TCP Client
- SSL TCP Client
- TCP Mixed
- Modbus RTU/ASCII (available only in TCP Server mode)
- UDP
- MQTT Client
- MQTTS Client
Support custom protocols (Please submit custom protocol requests via this link.)
- HTTP
- HTTPS
- CoAP
- External device OTA
Enables easy implementation of Ethernet into existing serial devices
KC,FCC certified to ensure high system stability and reliability
Supports 10/100Mbps Ethernet and up to 230kbps serial speeds
Supports RS232C standard with D-SUB9 port
Supports password setting for device discovery
Supports AT command via D-SUB9 port
Configurable with Config-tool
Supports Web Config
Wide input voltage 5~36V
Industrial-standard operating temperature -25~80°C
Supports DIN rail (DIN 46277) mounting
Protected against ESD

Documentation

This section provides key documentation, including user manuals and datasheets, to help you understand product features, specifications, and usage.

Name	Description	Notes
User's Manual	Product usage instructions	-
Datasheet	Technical specifications	EN 한국어	EN 한국어

Setup & Configuration

This section provides essential guides and manuals for setting up and configuring your device.Learn how to use various tools and interfaces—including command manuals, configuration utilities, web-based setup, and CLI tutorials—to efficiently manage and customize your product.

Name	Description	Notes
Command Manual	Guide to main commands and usage	EN	EN
Configuration Tool Manual	How to use the configuration tool	EN	EN
Web Server Configuration Guide	Web-based configuration guide	EN	EN

User Guide

This section offers essential guides to help you get started, troubleshoot issues, and make the most of your device. Find setup instructions, developer resources, and support materials below.

Name	Description	Notes
Getting Started	Quick setup instructions for using your WIZ750SR device	TBD
Trouble Shooting Guide	Solutions to common issues and troubleshooting steps	TBD
Developer's Guide	Setup, customization, and advanced usage for developers	TBD
Factory Reset Guide	A factory reset will return the settings on the W232N to their factory state	-	EN
MQTT Connection Guide	How to set up and use MQTT communication	-	EN
SSL Connection Guide	How to configure secure SSL connections	-	EN
Modbus Connection Guide	How to connect and use Modbus protocol	-	EN

Software Resources

This section provides essential software resources, including configuration tools, firmware, and source code for your device.

Hardware Resources

This section provides essential hardware resources, including schematics, 3D models, and part lists for your reference.

Test & Certification

This section provides official test results and certification documents for product compliance and safety standards.

Name	Description	Notes
KC	Korea safety certification	-	Download
FCC	U.S. EMI certification	-	Download
CE	EU safety certification	-	Download