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Diagnosing redundant power source in S7400

2/19/2010 11:21 AM	Rate (0)
zerepegro Posts: 183 Rating: (8)	Hello; My customer has a S7400 (not S7400H)with two Power sources (for redundancy purpose). He tested that whenone of the twoPS is down while the S7400 is in RUN the OB83 is started. The problem is that when the AS restarts and PS is down OB83 is not started. I suggested my customer use SFC51 in OB100 to diagnose state of two PS but i'd like to know if anybody knows a better way of doing this.
zerepegro Posts: 183 Rating: (8)
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2/22/2010 7:46 AM	Rate (0)
O_Moderator Diamond Member Joined: 4/24/2009 Last visit: 8/20/2024 Posts: 2682 Rating: (135)	Thread closed, because question is already published in the followiing thread Redundant power supply alarm in Step7. Best regards O_Moderator
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