Siemens 6RA70 DC Drive
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Jun 13, 2022 8:48 am
How can resolve problem A020 alarm in siemens 6RA70 DC Drive ?
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Jun 13, 2022 8:48 am
Cause : Alarm message from free function block FB257 (active in all operating states)
The binector wired via parameter U105 Index.002 is in the state log.”1”
