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| 4/25/2018 3:53 PM | |
Joined: 7/31/2017 Last visit: 11/9/2024 Posts: 98 Rating:
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Hello everyone, I have a 412-3H system with PS407 (6ES7407-0DA02-0AA0) power supply. Both power supply now has BAF indication as red. And the redundant plc has BATTF indication as orange.( I have attached the diagnostics). I'm not familiar with this, so can someone explain to me the current situation and how will it affect the redundancy? The system is running continuously and a shutdown is out of question.If the batteries need to be changed, is it possible in running condition? please give me the instructions to solve this. AttachmentS7400H_DIAG.txt (318 Downloads) |
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thanks & regards, |
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| 4/25/2018 5:22 PM | |
Joined: 3/28/2015 Last visit: 11/7/2024 Posts: 721 Rating:
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Hello, It is possible to change the battery in running condition. Switch off battery monitoring with the BATT INDIC slide switch. 
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Eng.Mohamed Ibrahim |
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| 4/26/2018 8:29 PM | |
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Joined: 3/28/2015 Last visit: 11/7/2024 Posts: 721 Rating:
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Hello, Perhaps the following manual might help: SIMATIC Fault-tolerant systems S7-400H 1-CPU 412-3H  2-LED displays 
3-Status and error displays  4-REDF LED  |
Last edited by: Jen_Moderator at: 4/27/2018 11:34:59 AMOptimized link. Eng.Mohamed Ibrahim |
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| 4/27/2018 10:22 AM | |
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Joined: 3/28/2015 Last visit: 11/7/2024 Posts: 721 Rating:
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Hello, Perhaps the following manual might help: SIMATIC S7-400 S7-400 Automation System Module Data
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Last edited by: Jen_Moderator at: 4/27/2018 11:36:35 AMOptimized link. Eng.Mohamed Ibrahim |
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