Serial IO series and Siemens PLC S7-200 smart Modbus RTU connection routine

  1. Case Introduction

This case mainly explains the Modbus RTU parameter configuration connection routine of the serial IO series device (this time as a slave device) and the Siemens PLC S7-200smart (hereinafter referred to as Siemens PLC, this time as the host device). This case takes the MA01-AACX2220 as an example of the serial IO series.

  1. Hardware preparation

One MA01-AACX2220 serial port IO device;

One Siemens PLC S7-200smart;

Two 24V power supplies;

Several communication cables;

One computer;

  1. Software Preparation

STEP 7-MicroWIN SMART software, which can be downloaded from the Siemens official website;

Ebyte IO module configuration test tool, which can be downloaded from the corresponding location of the Ebyte official website.

EBYTE-LoRa/WiFi/Bluetooth/ZigBee wireless modules Manufacturers, industrial IoT terminals suppliers (cdebyte.com)