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Measuring OpenTherm signals

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Measuring OpenTherm signals


could you please describe how you performed the measurements on the OpenTherm signals? I'm most interested in the current measurements. Did you use a dedicated (expensive) current probe?

Can your Hameg perform a measurement as follows: wait, posible an hour until a TTL signal changes, namely the WDT reset of the OTG gateway.

how much time can the Hameg store BEFORE the trigger in such a time scale? Can the Hameg be configured to sample upto the trigger moment so that the longest period up to the reset can be captured? I'm trying to provide Schelte with some insight on what's going on during the infamous smartpower actions.


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