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3/8/2009 11:36 AM | |
Posts: 433 Rating: (48) |
Hi sandy77, which entries are shown in the diagnostic buffer as reason of the LED? Tomcat |
3/8/2009 5:25 PM | |
Posts: 557 Rating: (64) |
FollowingOB's are required forFault tolerant redundent system : 1) OB70 2) OB72 3) OB80 (Timing error call scf 43 retrigger) 4) OB81 5) OB82 6) OB83 7) OB84 8) OB85 9) OB86 10) OB87 11) OB121 12) OB122 you can go to diagnostic buffer & see the resign, or send the diagnostic buffer information. find the link this will help you to know the basic idea about CPU 417-4H https://support.automation.siemens.com/WW/llisapi.dll?query=fault+tolerant&func=cslib.cssearch&content=skm%2Fmain.asp%3Ftab%3D2&lang=en&siteid=csius&objaction=cssearch&searchinprim=_searchinprim_&nodeid=99&x=16&y=8 |
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