Hello there, I'm new to using node red and I am wondering if it's possible to read a value off of an excel spreadsheet and use it as a variable on a PLC. The project is to clock times for workers on how long they take. I want to be able to set a schedule on an excel spreadsheet and have the schedule…

KarolisL 12 March 2024 16:33 2

Yes, but you have to run nodes7 library instead of available nodes

examples can be found: Siemens reading from PLC with nodeS7 npm

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Excel spreadsheet values to S7 PLC variable

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