ORSO2001 Posted November 3, 2017 Report Share Posted November 3, 2017 Dears All, Small introduction...just few days ago I finished one project that include MODBUS communication using RS485 CPU COM port without any problem. I started with a new project; for the moment I don't included I/O modules; I created some STRUCT...I initialized TX/RX as "Physically-Serial COM" and with surprise two RS485 CPU COM, port and port 1, were added in the I/O !? If I "select" Modbus Panel the "port 1" disapear but the "port" still be present....just to test I created a new project and as first action I initialized as TX/RX and only 1 RS485 CPU COM port appears...what can be wrong in my project? I am using 1.21.51; Windows 10. thanks Quote Link to comment Share on other sites More sharing options...
Saragani Posted November 4, 2017 Report Share Posted November 4, 2017 Yes, there is an issue with 1.21.51, and it will be fixed in the next version. If you need a project to be fixed, then you can send it to our support. Quote Link to comment Share on other sites More sharing options...
ORSO2001 Posted November 4, 2017 Author Report Share Posted November 4, 2017 Dear Saragani, ok...for the moment is not a problem...the project is just at the begin...I try to start with a new one. thanks Quote Link to comment Share on other sites More sharing options...
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