A field analog device is structured to show its value via a SCADA 'Digital Meter' (Changing its digital value based on the device output).
The IoT has both a Subscribe and Publish value, available on a client computer's unique Channel.
Sequence Of Operation:
The field device is a Infrared Temperature Transmitter with a span from 0 to 500 °.
Adjust the slider below to the simulate the change of the device output value. This will publish the change.