Salve a tutti, sto iniziando a lavorare con node-red in ambito della building automation, avrei un esigenza che dovrebbe risolversi con un function node, fondamentalmente ho un sistema di domotica (sistema A) con collegamento modbus ip, da lì provengono i comandi che devono poi essere inviati ad un…

[image] pm.integrator: Considering that I have to poll (100 ms) to have the calls updated from system A, if there are no variations to system B the same data is sent, but I should apply a filter or something that only passes the variations coming from system A. Sounds like you need to use the…

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Steve-Mcl 14 September 2020 12:26 2

Sounds like you need to use the RBE node. It only allows a msg to pass if it has changed.

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