melrose.sean Posted March 25, 2014 Report Share Posted March 25, 2014 I am having problems connecting to the PLC (JZ20) using the USB. When plugging in the PLC I also get a USB unrecognized I am having problems connecting to the PLC (JZ20) using the USB. I have installed the drivers under the control tab under M90 OPLC Settings When trying to load the program I get this Quote Link to comment Share on other sites More sharing options...
AlexUT Posted March 31, 2014 Report Share Posted March 31, 2014 Hi, What is a U90Ladder version? What is your Windows OS and version? You have to install driver first, then connect Jazz to PC by USB cable. In Device Manager this driver should be listed as "STMicroelectronics Virtual COM Port (COMx). When Driver Update dialog pop-ups - cancel update. Where x (port number) should be between 1 to 16. You have to select this port number in U90Ladder PC Communication Port Settings. BR. Quote Link to comment Share on other sites More sharing options...
mejia4002 Posted November 1, 2019 Report Share Posted November 1, 2019 On 3/31/2014 at 2:20 AM, AlexUT said: Hi, im having the same issue trying to connect by usb port with a JZ20-R10 windows 10 OS i added a picture with the software version and devices management can you guide me on how to upload the program from a machine please. Quote Link to comment Share on other sites More sharing options...
MVP 2022 Joe Tauser Posted November 1, 2019 MVP 2022 Report Share Posted November 1, 2019 On 3/31/2014 at 3:20 AM, AlexUT said: STMicroelectronics Virtual COM Port (COMx) Does this device show up under "Puertos" when the Jazz is plugged in? This has to happen before you can do anything. Then go to Controller->Upload in the U90 software. Joe T. Quote Link to comment Share on other sites More sharing options...
shahar ben yossef Posted September 3, 2020 Report Share Posted September 3, 2020 On 11/1/2019 at 11:31 PM, Joe Tauser said: Puertos hey i recognized STMicroelectronics Virtual COM Port (COMx) in the ports checked every baud rate/parity and all these specs.. i understand you need aspecial cable to program the controller.. you can not do it eith the USB Quote Link to comment Share on other sites More sharing options...
AlexUT Posted July 23 Report Share Posted July 23 JZ20, USB or serial: *Check current COM port settings in INFO mode. 9600, E, 7, 1 Timeout 10 Sec, retry 3 If does not work - repeat in PLC STOP mode. Quote Link to comment Share on other sites More sharing options...
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