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Dear sir/Madam,

 

Have good day.

I brought new  JAZZ , JZ20_J_R16, After programming I tried to load the program to JAZZ. but it is not downloading. I am using USB, in my computer it is connected to STM electronics Virtual COM port (COM17) found in system device.. In Jazz it is COM 1,  Am I doing anything wrong. please Help. How can I load program to JAZZ.

 

Need an urgent help.

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To be able to establish connection, you need to install USB driver.

There is a button to do this within U90 ladder software as shown in the photo below (Controller / M90 OPLC SETTINGS).

Make sure you use the same COM port number in U90 PC communication settings.

2096439316_installdriver.PNG.e05e7532386801679c747ea3959b478c.PNG

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Hi Meetto

If the port is COM17 in device manager then you must select COM17 in the unitronics program communication settings.

However I think that the program only accepts COM ports up to 16.

Try changing the COM port in device manager to an unused port below 16 and match the settings in the Unitronics program

 

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