Isolated modbus

[m.kaviani]

dear friends,
this circuit is a part of my new PLC project, work under 115200 baud rate with 24fj64ga002 with 64 MHz PLL.
you need to provide 2 isolated power. it is better to use tme-0505 dip power isolator.
work very smooth .
this code work with function 06 to write a single word on W40002 inside delta HMI internal memory,
in delta HMI no need for delay between transferred data.
remove the ".jpg" from end of the video.mp4.jpg to see the video.