2/15/2021 3:42 PM | |
Posts: 2 Rating: (0) |
I have attached the Diagnostic buffer test file from the main CPU. I still have to look at the online diagnostics of the couplers. As far as OB82 and 86, they are blank when I go look at them. I am not sure if that is job specific or something from Siemens. The PNPN Coupler part number is 6ES7158-3AD01-0XA0 and the DPDP Coupler part number is 6ES7158-0AD01-0XA0. Edit: I checked the diagnostics status of the PNPN and DPDP Coupler. The DP didnt really say anything but the PNPN Coupler diagnostics merely said "Projection Fault: Other subnet not projected." AttachmentDiagnose.txt (212 Downloads) |
Last edited by: Jeffers2003 at: 02/15/2021 16:09:16 |
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2/16/2021 2:21 AM | |
Joined: 9/1/2017 Last visit: 7/9/2024 Posts: 156 Rating: (19) |
Hi At first please refer to pn/pn coupleler in siemens industry online support specially sections "parameters" and "Interrupts, error messages and diagnostics and system alarms". Ob82 is called when there is a incoming / outgoing event :(problem or/and a componenent require maintenance) Dealing with profinet this problem can be: communication interrupt(profinet interface or port) Loss of synchronization Manufacturer specific diagnostic interrupts of mofules involved. For pn/pn coupler these interrupts can be effect of: power supply, data validity, error on other net work side ( its not configured or has failed or is in stop mode) , mmc issues and some other. Ob 86 , dealing with disributed i/o(profibus dp and profinet) is called when : Failure of dp master system Failure of station when using distributed i/o Disable/ enable a station when using distributed i/o by means of sfc12 Failure of profinet i/o system or station or submodule of profinet i device. In your case with pn coupler diagnostic buffer"projection fault.." Please check the other side of the coupler. What's the status of its io controller(diagnostic), what's the status of coupler led belonging to the other side? Do you access to relevant i/os? I guess the problem is other side.also check the coupler mmc. Hope this helps Hosein P.s: cpu will goes to stop when calling ob 82 and 86 which not exist in load memory.then they must be exist if you dont want cpu goes to stop mode.(even they are empty) |
Last edited by: hosein8419 at: 02/16/2021 02:25:38Last edited by: hosein8419 at: 02/16/2021 02:29:20Last edited by: Jen_Moderator at: 02/16/2021 09:44:26Optimized links. |
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