Internal UPS

Topics about the Hardware of Revolution Pi
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Archie
Posts: 8
Joined: 25 Jul 2019, 15:50
Answers: 0

Internal UPS

Post by Archie »

Is it possible or has anyone attempted to add an internal UPS, possibly based on a simple capacitor, to the Connect+? Beckhoff has a few CX controllers with a 1 second UPS built-in and I would like to add a similar feature to the Connect+
Archie
Posts: 8
Joined: 25 Jul 2019, 15:50
Answers: 0

Re: Internal UPS

Post by Archie »

In the schematic of the Connect+, it shows 3 capacitors C305, C306, and C307 that are on the compute module's power input. If these capacitors were replaced with supercapacitors, could the module continue to operate for a few seconds after a main power loss in order to perform an orderly shutdown? The main power loss could be detected by wiring directly to the X2 Input.
Archie
Posts: 8
Joined: 25 Jul 2019, 15:50
Answers: 0

Re: Internal UPS

Post by Archie »

After some more research I think the proper name for what I am looking for is a "capacitive buffer module". To revise my question.... Is it possible to fit a Buffer Module inside the Connect+ to provide a few seconds of power for an orderly shut down?
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dirk
KUNBUS
Posts: 1948
Joined: 15 Dec 2016, 13:19
Answers: 4

Re: Internal UPS

Post by dirk »

Dear Archie, sure it is possible to use a capacitor as an alternative way to avoid using an UPS. But we don't recommend it.
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