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Which connection is used to download program to Siemens HMI

7/14/2008 7:59 AM	Rate (0)
Reymond Posts: 112 Rating: (0)	Hi, I just wonder why it is only serial or usb/ppi cable that apears on my download settings. Is it already set to rs232ppi when i choose this serial? Thank you for the help. I will purchase now an s7-200 cpu for my op73 micro and then network this s7-200 with my existing s7-300. Do you think this is possible? Thanks and warm regards,
Reymond Posts: 112 Rating: (0)
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7/15/2008 9:03 AM	Rate (1)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 1/23/2026 Posts: 9107 Rating: (1204)	Hi Begginer, Begginer I just wonder why it is only serial or usb/ppi cable that apears on my download settings. Is it already set to rs232ppi when i choose this serial? Yes, when you choose RS232, it mean you'll have to use RS232 PC/PPI cable. Begginer I will purchase now an s7-200 cpu for my op73 micro and then network this s7-200 with my existing s7-300. Do you think this is possible? Yes, you can for example communicate using MPI network. Have a look at this link: http://support.automation.siemens.com/WW/view/en/747743 Best regards, Wizard

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7/18/2008 9:41 AM	Rate (0)
Reymond Posts: 112 Rating: (0)	Hi Wizard, I tried to set to serial the download settings and use rs232pc/ppi. I haven't downloaded my project yet maybe because the baud rate that I can select on transfer settings on wincc flex is only 57600 or 115200 only, and on my set pg/pc interface on pc/ppi I can only set the baud rate to 9.6kbps,19.2kbps, and 187.5kbps. Do you think this could be a problem? Thanks, Begginer
Reymond Posts: 112 Rating: (0)
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7/18/2008 2:00 PM	Rate (0)
ZAK Gold Member Joined: 5/8/2006 Last visit: 10/23/2025 Posts: 1085 Rating: (78)	Hi, if you use the RS232/PPI cable for WinCC flexible project transfer then the PG/PC settings are irrelevant. Maybe this FAQ will help you: http://support.automation.siemens.com/WW/view/de/23787153 Bye

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