Matt Top Posted December 16, 2015 Report Share Posted December 16, 2015 I have downloaded several V570's via USB to Unitronic's mini USB. Using same PC and cable the next two 570's we had no communication, USB cable was unrecognized in device manager. I was able to use port 1 and USB to RS 232 to program unit, but still need to know what is going on. (usb to usb is so much easier) Is the USB port bad out of the box?, Did I somehow kill it? or is there some sort of workaround. Any help would be appreciated. Matt Top. Quote Link to comment Share on other sites More sharing options...
Alexander Posted December 16, 2015 Report Share Posted December 16, 2015 Do you have any other Unitronics USB-mini cables to test with? Does the same cable work with previous V570's? By testing with a secondary cable and other V570's you should be able to determine if it is the cable that is the issue. Quote Link to comment Share on other sites More sharing options...
Matt Top Posted December 16, 2015 Author Report Share Posted December 16, 2015 Do you have any other Unitronics USB-mini cables to test with? Does the same cable work with previous V570's? By testing with a secondary cable and other V570's you should be able to determine if it is the cable that is the issue. Have used other cables and other PC's units previously downloaded have shipped out so retest isn't an option at this point. Tomorrow I will get a new unit from stock and test. Thanks for the reply. Quote Link to comment Share on other sites More sharing options...
Matt Top Posted December 17, 2015 Author Report Share Posted December 17, 2015 This morning got a new unit from stock and USB to Mini worked. So I think the unit in question probably has a bad / broken mini USB. We will call Tech support next for RMA or such. Thanks for your assistance ! Matt Top Quote Link to comment Share on other sites More sharing options...
MVP 2021 Flex727 Posted December 17, 2015 MVP 2021 Report Share Posted December 17, 2015 Did you re-test the bad PLC immediately after you successfully connected with a new one? Quote Link to comment Share on other sites More sharing options...
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