11/26/2015 2:57 PM | |
Posts: 567 Rating: (107) |
Hi Harald, there is new FAQ available "How do you shorten any delays in the display of screens/faceplates in the PCS 7 OS?" Maybe you can find a solution to solve the Problem. |
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11/26/2015 3:13 PM | |
Joined: 1/20/2010 Last visit: 9/20/2024 Posts: 8 Rating: (0) |
This looks very interesting. I will have a closer look at this pdf. Thanks |
12/2/2015 11:26 AM | |
Joined: 6/14/2006 Last visit: 6/17/2024 Posts: 301 Rating: (60) |
Hi Harald, for sure there may be no increase/decrease of telegram count in wireshark. The number of telegrams stay the same. But a single CPU can handle these amount of telegrams better / faster than a redundant PLC. I have seen a plant where the number of telegrams increased in solo mode because the single CPU now was able to handle more telegrams. That means that you may have to much communication set up even for a single CPU... Inside PCS 7 compendium part A you can find a table for communication performance: http://support.automation.siemens.com/WW/view/en/107196780 If you have 416H V5 the limit is at 120 communication instances per second and a maximum total data transfer of 60 KB/s with 20 KB/s for cross-PLC communication. Regards
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