On Sep 2, 2015, at 5:54 PM, John Thurston <john.thurs...@alaska.gov> wrote:
> 
> But what about that "Bypass Paralleling Switchboard"? I suspect it is 
> possible that it could be used to ignore the input from UPS-A and rely only 
> on UPS-B to handle the load. If I'm only monitoring the status of the UPSs, 
> how will I know that having UPS-A OL and 100% is irrelevant? Does anyone know 
> how to incorporate the state of this "paralleling" component into my NUT 
> monitoring?

Hi John,

I am not qualified to offer any advice about that bypass system (I try not to 
touch anything bigger than 120V/15A), but since nobody else has piped up yet: 
if you can get details from your clients about how that works conceptually, we 
can help map that into a NUT configuration.

The big question in my mind is whether there is some way to programmatically 
determine what state the circuit is in. If not, there is still probably a way 
to manually use the dummy-ups driver to add in a phantom UPS representing the 
parallel-fed state.

-- 
Charles Lepple
clepple@gmail




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