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Old April 7th, 2007, 08:07 AM   #1
ahmed yousri

ahmed yousri is offline
Join Date: May 2006
Location: egypt
Posts: 41
siemens communication failier

hi, i have a problem to communication with siemens plc s7 200 to my personal computer, i have usb/ppi multi-master cable ,my problem when i use cable RS232 i can communicate with plc ,but when i use usb it can not communicate ,my cable no, 6es7 901-3db30-0xa0
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Old April 12th, 2007, 06:06 AM   #2

suganya is offline
Join Date: Apr 2007
Location: coimbatore
Posts: 10
your cable is ofcourse the right one.. Have you selected communications via USB port?if not,double click Set PG/PC interface(under communications bar in ur instruction tree) ---->properties---->Local connection--->Set this to USB..
If its stil not working.. then the prob mite b wit ur
* cable or
* USB port in ur system..
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Old April 12th, 2007, 11:08 AM   #3

pa_1784 is offline
Join Date: Apr 2007
Location: PUNE
Posts: 17
Sometimes version of software may also give problem. cheeck you are using version STEP7 Microwin 4.0. Then it has USB selection.
Hope this will help
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