The WIZnet 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 CE and FCC, and offering multiple configuration options, the W232N is an ideal solution for seamless Ethernet integration in existing serial devices.

Key Features

• Serial to Ethernet – UART x1, up to 230 kbps
• 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 hardware design – supports wide 5-36VDC input power. -40 to 85 operation temperature. Supports DIN rail mounting
• Easy config – 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 viathis 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 -25~80C
• Supports DIN rail (DIN 46277) mounting
• Protected against ESD

Resources

• Documentation
• Software resources
• Hardware resources
• Test & certification

User Guide

• Factory Reset Guide
• MQTT Connection Guide
• SSL Connection Guide
• Modbus Connection Guide

Setup & Configuration

• Command manual
• Configuration tool manual
• Web server configuration guide
• Pinout

Package contents

• 1x WIZnet W232N Ethernet to RS232 Converter