1. From the perspective of program editing: Use polling to trigger the ModbusRTU communication read and write instructions. For read and write instructions, use the rising edge trigger (↑) to avoid continuous reading and writing occupying the channel.
2. From the perspective of communication settings: Change the communication timeout of the PLC (the default communication timeout for some models is 1000ms) to avoid cumulative delays in communication information transmission due to multiple communication timeouts.
Please see attached for more details.
Change the setting: 'keep the original format of photo' in third option in 'HMI parameters settings'.
Please check the attached for reference.
Please check the attached for reference.
Please check the attached for reference.
When install VT Designer, we should do:
1, try to close the anti-virus software, and restart the PC;
2, try to install VT Designer via administritor permission.
Check the download interface to see whether some parameters are saved. Probably it keeps the previous communication settings so it cannot communicate.
Check the developer password in the new program which might be modified.
Our site uses cookies to provide you with a better onsite experience. By continuing to browse the site you are agreeing to our use of cookies in accordance with our Cookie Policy.
