Back to all tutorials
HMI tutorial
PLC-to-Command HMI Communication
Exchange data between a Command HMI and an Ace or Branch PLC through RS232.
Tutorial overview
PLC-to-Command HMI Communication
Exchange data between a Command HMI and an Ace or Branch PLC through RS232.
RS232 communication
Exchange values between the PLC and HMI.
These tutorials connect a Command HMI to an Ace or Branch PLC with RS232. The downloadable project is the 4.3-inch HMI example. Recreate the PLC portion for the specific PLC model used in your system.
Video walkthrough
Follow the complete series.
Watch the steps, then use the downloadable files when available to inspect the finished project.
Command HMI Two-Way Communication
Command HMI Communication Details
Project files
Download the example.
Use the original project files as a reference or starting point for your own application.
Keep building
Continue with another practical example.
Browse the full tutorial library or download vBuilder to put the example to work.