Why does ATV212 S-Flex responds to a LonWorks run command but not to LonWorks speed reference?
Resolution:
Check the following parameters and be sure that none are set to a value of '48':
Fnod= set to 4
LL= 12Hz
F108= always active logic
F110= always active logic
F111= F terminal assignment
F112= R terminal assignment
F113= RES terminal assignment
F207= set to 2 unless you have an HOA switch
F807= sets whether the LonWorks connection is wired to the card's terminals or RJ45 port
F829= set to 5 for LonWorks
Try swapping out the LonWorks card with a known working drive and see if the issue stays with the card or the drive. If the issue moves with the card, replace the card.
If a serial communication link is established, it can take control of the ATV212 drive, overriding inputs identified by CMOd, FMOd, and F207. Control is restored to CMOd, FMOd, and F207 only if:
- The serial communication link relinquishes control
- A logic input assigned to function 48 (forced local) is activated
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If this article does not answer your question, check out our FAQ database that has answers to more commonly asked questions:
Frequently Asked Questions - Schneider Electric (se.com)
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