drprm1 Posted January 6, 2021 Posted January 6, 2021 Had a PLM go bad (no communicaion, empty PLM link table. Replaced it yesterday with a ver2.6 I just got. No problems replacing and everything working fine so far....... Did a PLM link table count after modem restore and got a count of 343 which was about what I had before other PLM went bad.. Did another link count this morning and got 571. Did three more link counts and got 107, 142 and lastly 109. Anybody have any idea why this might be happening and should I be concerned? UI and Firmware match at 5.1.0
kclenden Posted January 7, 2021 Posted January 7, 2021 10 hours ago, drprm1 said: Anybody have any idea why this might be happening and should I be concerned? The PLM Link Count consists of a loop whereby the ISY keeps asking for the next link in the PLM Link Table until the PLM says there are no more. Any activity on the powerline whether from the ISY or other devices may interrupt this loop. So assuming there is activity on your powerline while you're doing the count, what you're seeing is normal and I wouldn't be concerned. Try doing a count when you know there aren't any ISY programs that will run and there's a low probability that devices on the powerline might send status updates. 3
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