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| 4/30/2011 10:52 AM | |
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Posts: 73 Rating:
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Hello Experts LOGO,S7 300 & 1200 CPU work without battery then why s7 400 needs a battery?  Please reply Thanks. |
| 4/30/2011 11:05 AM | |
Joined: 3/21/2006 Last visit: 11/1/2024 Posts: 10229 Rating:
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Hello, The batteries are options. There is possible to work without inserted batteries. Info: 1. Behavior of the CPU after power off without back-up battery 2. What is the effect of the 1 Batt./OFF/2 Batt. settings on the BATT.INDIC switch? Best regards, Hristo Mihalev |
| 5/2/2011 11:14 AM | |
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Posts: 947 Rating:
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IF you work without battery on s7-400, then RAM s7-400 will be lost after power down |
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