my understanding of these is not that good as I bought it as plug and play. However, I am almost sure that through a controller, the current is varied at constant voltage.
that sounds about right. To be honest, I did not use these drivers on my unit. I used the drivers that came with it but it was giving problems so I bought these on ebay but I have since bought me the vertex illumina LEDs so now I have no use for them.
@Bigbone. is the meanwell ldd drivers on PCB board still available? does the PCB have the 10k pull down resitors on it? Maybe a pic of the under side. thanks
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