Serial IO series and Siemens PLC S7-200 smart Modbus RTU connection routine
- 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.
- Hardware preparation
One MA01-AACX2220 serial port IO device;
One Siemens PLC S7-200smart;
Two 24V power supplies;
Several communication cables;
One computer;
- 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.