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| 9/13/2008 4:52 PM | |
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Posts: 24 Rating:
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Thank Daniel for your useful info. [snip] ... Thanks |
Last edited by: CS Moderator at: 9/14/2008 11:03 PMnew question split to a new thread /tf/WW/en/Posts/21672 |
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| 9/13/2008 7:29 PM | |
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Posts: 75 Rating:
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PPI = Point-Point-Interface MPI = Multi-Point-Interface |
| 9/14/2008 3:57 PM | |
Joined: 5/28/2008 Last visit: 11/6/2024 Posts: 4516 Rating:
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You Can usea USB PC adapter With MLFB: 6ES7972-0CB20-0XA0 for connecting your PC through USB into the PLC S7-200/300/400. Here's under the product description: SIMATIC S7, PC ADAPTER USB F. CONNECTION OF S7-200/300/400 C7; WITH USB-CABLE (5M) CAN BE USED UNDER WIN 2000/XP Regards, |
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Ayman Elotaify |
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| 4/20/2018 3:52 PM | |
Joined: 3/9/2018 Last visit: 11/8/2024 Posts: 192 Rating:
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Small kick :) Can some one explain the difference on the adapters hardware side? Both they are RS485 and use the same pin-out so what makes it PPI or MPI? |
| 4/20/2018 5:38 PM | |
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Posts: 2826 Rating:
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The only difference between the two is the protocol. The hardware looks the same. BUT the adapters are different. There the processing of RS232 / USB / Ethernet /... from the PC is converted to RS485 but also some data processing and packaging occurs. I doubt someone would be forthcoming with the detail of that. There are adapters that can handle both. But I have had issues that the PPI side got "damaged" but the PPI was still working correctly on "Adapter #1" but its twin "Adapter #2" did not have a problem. That shows there are electronics / processors that are dedicated for PPI and MPI. Why the question? |
| 4/23/2018 2:11 PM | |
Joined: 8/3/2009 Last visit: 11/12/2024 Posts: 14153 Rating:
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Hi there are also a lot of other Topics in the Forum: for exampe: Bye Murof |
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