I am currently preparing an industrial test setup where we will control 7 EC fans independently using 4-20 mA control signals. I would like to base the solution on using an Arduino as MCU, as this is what my experience is limited to.
I believe NCD provides a good solution for achieving this. However, I would appreciate if somebody could review my intended shopping list below and evaluate if this would be suitable for me to achieve the intended control.
2 x PR33-27 - Isolated AD5696 4-Channel 4-20mA 16-Bit Current Loop Transmitter with IoT Interface
(2 x PR37-3 - I2C to IoT Interface Adapter - included in PR33-27 as far as I understand)
(2 x PRacc-1 - I2C Cable for nodeLynk Devices and Sensors - included in PR33-27 I understand)
I do not expect an Arduino IoT Interface Adapter is strictly necessary as I would just intend on connecting the Arduino using one of the I2C nodeLynk cables (PRacc-1). Is this understanding correct?
Otherwise, my main concern is whether the two 4-channel transmitters can be connected directly in a nodeLynk loop or if an I2C multiplexer is required?
I hope somebody will be able to support me as my knowledge on the topic is basic to say the least.
Finally, thank you for taking the time to read my post and have a nice day!
With best regards,