Hello everyone, I am reading registers from a Siemens PAC2200 64 bit, how do I display this value correctly by node red? I need to join the 4-number vector to just one string.
Thank you very much
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You could look into type typed arrays or the node.js buffer as it has functions like readDoubleLE() and readDoubleBE().
Here is a quick mock up using JS Typed Arrays (its a bit of a cludge but might be enough to nudge you in the right direction..
NOTE: you may have to swap your integers as I dont know endiannes of your data or how its stored in PLC or how the driver your're using handles the data bytes...