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S7-400H EXTF LED in one PLC is always ON!
Created by: santhosh2r2 at: 3/16/2016 10:31 PM (14 Replies)
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Thanks 2
| 6/9/2018 8:43 AM | |
Joined: 1/14/2018 Last visit: 12/14/2024 Posts: 9 Rating:
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hi friend ; please can u tell me which buffer battery u mean ? in the PS ? |
| 12/22/2018 9:04 AM | |
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Posts: 9 Rating:
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Hi If I was to click on the Update button on the attachment would the extf go away on the CPU? |
| 12/26/2018 11:58 AM | |
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Joined: 1/14/2018 Last visit: 12/14/2024 Posts: 9 Rating:
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which battrey buffer you mean ? can u explain ? |
| 12/26/2018 8:23 PM | |
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Joined: 1/14/2018 Last visit: 12/14/2024 Posts: 9 Rating:
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which battery buffer please ? |
| 12/26/2018 8:29 PM | |
Joined: 12/18/2014 Last visit: 1/15/2026 Posts: 36459 Rating:
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There is only one battery backup. And this one is in the power supply. |
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