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USR-WIFI232-630 Modbus RTU transfer to Modbus TCP Function
2020-05-19

 Overview

 

This manual is to introduce USR-WIFI232-630(Serial to WiFi Converter) Modbus RTU transfer to Modbus TCP function.

 

 

1.Function introduction

Modbus protocol is application layer message transport protocol. Modbus protocol has following two communication method:

l  Modbus TCP: Based on Ethernet and TCP/IP protocol.

l  Modbus RTU/Modbus ASCII: Based on asynchronous serial transmission(Such as RS232/RS422/RS485). 

 

USR-WIFI232-630(Serial to WiFi Converter supports Modbus RTU format data transfer to Modbus TCP format data.(Don’t support Modbus ASCII format data)

 

 

2.Configuration

User can configure 630 to Modbus RTU<=> Modbus TCP mode by Web Server as follow:

 

configure 630 to Modbus RTU, working mode configuration

Figure 1 Configuration

 

 

 

 

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