Why do some parameters reset on my ATV212 (or S-Flex) drive when I cycle power?
Issue:
Some parameters reset on my ATV212 drive when I cycle power.
Product line:
ATV212 series drives
Environment:
ATV212 series drives equipped with Lonworks card VW3A21212
Cause:
Information unavailable in current literature.
Resolution:
6 parameters are stored in the Lonworks card. At each power cycle, the Lonworks card will overwrite these six registers in the drive, with the values stored in the Lonworks card, even if the Lonworks network is not being used. If the card is installed in the drive, these parameter will be overwritten. In order to set the parameters, you must write them to the Lonworks card.
nciMaxSpeed Maximum Motor Speed (UL)
nciMinSpeed Minimum Motor Speed (LL)
NCINmlSpeed Nominal Motor Speed in RPM (F417)
NciNmlFreq Nominal Motor Frequency (uL)
NciRampUpTm Minimum Ramp Up Time (ACC)
NciRampDownTm Minimum Ramp Down Time (DEC)
Some parameters reset on my ATV212 drive when I cycle power.
Product line:
ATV212 series drives
Environment:
ATV212 series drives equipped with Lonworks card VW3A21212
Cause:
Information unavailable in current literature.
Resolution:
6 parameters are stored in the Lonworks card. At each power cycle, the Lonworks card will overwrite these six registers in the drive, with the values stored in the Lonworks card, even if the Lonworks network is not being used. If the card is installed in the drive, these parameter will be overwritten. In order to set the parameters, you must write them to the Lonworks card.
nciMaxSpeed Maximum Motor Speed (UL)
nciMinSpeed Minimum Motor Speed (LL)
NCINmlSpeed Nominal Motor Speed in RPM (F417)
NciNmlFreq Nominal Motor Frequency (uL)
NciRampUpTm Minimum Ramp Up Time (ACC)
NciRampDownTm Minimum Ramp Down Time (DEC)
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