connected a digital controller which is connected to PT100 temp. sensor,
The controller in then connected to RS485 converted to USB, THE USB IS CONNECTED TO REVOLUTION PI CONNECT S
Now I am trying to data log the temperature reading through node red.
I am stuck in the "serial-in" node as well "modbus read"
How to establish the communication ?
Welcome to the forum @ninad.
I see your visit was rather rushed, perhaps you didn't have time to do any research.
There may be clues here
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