I'm having problems converting modbus word registers (16 bits) to double (32 bits) format.
Modbus RTU Buffered using node-red-contrib-modbus (4.1.3)
I've tryed to use this (Buffer) in a function but it's not working fine:
let VL1= msg.payload.buffer.readDoubleLE(0,2)
Trying with BE and LE and it's not working fine. I think that with that buffer instruction it tooks 4 modbus words (4x 16bits)...
I don't know how to do it.
Sometimes in other technologies like industrial PLC's i've used SHL (shift left), and other options to do that.
In that ocasion I can't find the correct way to do it.
Can you help me please with it?
Thanks in advance