Product Line
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ION7650

Environment
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ION Setup
PME Designer

Issue
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When reviewing logged data for EN50160 Freq N, Freq N1, and Freq invld, the values will reset twice a year, First at the start of a new year then again at the start of some month.

Root Cause
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Reset input to Signal limit Evaluation module 1 is pulsed twice in the same year. Logic in the framework is using double "not".

Solution
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Change the Mode setup register of AND/OR module 11 "PQ Sync Yr Inv".
Default value is NOR, setting should be AND

Publisert for: Schneider Electric Norway