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I have problemas with CPUs not linked up and one of them not backed up

Created by: PedroPPZ at: 5/3/2011 5:12 PM (2 Replies)

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5/3/2011 5:12 PM

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PedroPPZ

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Hello, excuse me for my english.
I have two problems with my redundant system S7-400H, I explain you:
I had two CPUs 6ES7414-4HJ04-0AB0 v4.0.7working for 4 years, recently, one of them pass to state "defective" two times. Then I change the CPU "defective" for one 6ES7414-4HJ04-0AB0 v4.0.8. These CPUs not sinchronized, then I updated the other CPU from version v4.0.7 to v4.0.8.
Now the problem is that both CPUs not link up, the buffer shows:

Evento 5 de 120: ID de evento 16# 73C1
Igualación de datos cancelada
CPU maestra del bastidor 0
Evento causante: Función ACOPLAR rechazada debido a cambios en la configuración
en: CPU maestra del bastidor 0
OB solicitado: OB para errores de redundancia en las CPU (OB 72)
Prioridad: 28
Evento entrante
10:46:29.889 29/04/2011

I tested lots of times, I did memory overall reset.
Both CPUs have memory FLASH 2MB.
I don't understand why the CPUs don't linked up.

One more thing:
The two CPUs that worked for 4 years not were backed up for the battery backups although a year ago I changed them for new batteries, and they follow NOT backed up.
Now, with the problem happened and with the change for the new CPU, only the new CPU is backed up, but the "old" CPU isn't.
Any led of fault is light on. I changed the power supply too, but its the same.
Maybe the version of CPU? I don't have idea.

I hope that you understand, if something isnot clear, mention it please.
Many thanks

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Diagnose.zip (338 Downloads)

5/4/2011 6:30 AM	Rate (0)
Aret Posts: 2348 Rating: (265)	Check if all 4 syncronization modules and 2 patches are ok and check rack number setting on the back side of CPUs (one should be rack 0, other - rack 1). Then i would try to reupdate BOTH CPUs with same FW version
Aret Posts: 2348 Rating: (265)
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5/6/2011 5:27 PM	Rate (0)
gre_m Posts: 947 Rating: (45)	Hi PedroPPZ. Change firmare CPU. Last version firmware 4.0.12. see lin link for download on http://support.automation.siemens.com/WW/view/en/6741018
gre_m Posts: 947 Rating: (45)
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I have problemas with CPUs not linked up and one of them not backed up

Created by: PedroPPZ at: 5/3/2011 5:12 PM (2 Replies)

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PedroPPZ

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