This video is on implementing MODBUS protocol on DWIN and the electrical physical media is RS485.
DWIN is configured as SLAVE in this first video of MODBUS.
5" DWIN industrial grade Buy link :
https://www.alselectro.in/product-page/5-touch-with-shell-dmg80480-t050-a5wtc-industrial-grade
OS file download :
https://www.dwin-global.com/kernel-upgrade/
Modbus Tools :
https://www.modbustools.com/download.html
Project files:
https://www.alselectro.in/product-page/5-touch-with-shell-dmg80480-t050-a5wtc-industrial-grade