How Can I Make My PLC Perform Like A Modbus ASCII Slave? - CX-Programmer

Modified on Mon, 6 Oct, 2025 at 9:19 AM

This is CX-Programmer example code to let a PLC perform like Modbus ASCII slave.

There are several implementations of Modbus protocol. But many of them are Modbus RTU and the PLC functions as Master. There is code for different types of PLC like CJ1, CS1, C200, CQM1 and CPM2.



 

 

Was this article helpful?

That’s Great!

Thank you for your feedback

Sorry! We couldn't be helpful

Thank you for your feedback

Let us know how can we improve this article!

Select at least one of the reasons
CAPTCHA verification is required.

Feedback sent

We appreciate your effort and will try to fix the article