Other Parts Discussed in Thread: DAC8771, , DAC8771EVM, DAC8760, DAC8740H, PROFIBUS, OPA188
Hi I am planning/designing a device whiche should next to generation of V and mA also have a function to use the hart Hart, FF and PA protocol seperately. In studying the documentation of the DAC8742HEVM I did nowhere see how to connect the board to a 4-20mA loop. The loop is powered by an external supply.
I plan to use the DAC8742 in combination with a DAC8771 to generate V and mA . I noticed the DAC8771 has a Hart_In pin.
Do I connect the Hart_in pin of the DAC8771 with the OUT of the DAC8742HEVM board en the IN of the DAC8742HEVM board just to the loop+? That would be simple and hopefully not interfere with seperate V and mA generation with the DAC8771. I see the
Will this connection then properly with FF and PA?
Can you please explain, preferably with a little sketch.
Your help is appreciated.
Joost