Hello RevPi,

A sensor with a current output can be passive
(needs 24V over the sensor output leads) Here the consumed current is the output value.

A sensor can be active.
In this case the sensor does have its own power supply, and does source a current on its output.

What is the correct way to ...

Hello RevPi,

For the Analog input, IN1 through IN4,
What is the function for the "+" pin ? is this the + signal IN, or is this 24V supply OUT ??
What is the function for the "*" pin ? is this the + signal IN ??

In which situation is the suggested optional link between the "+" and the "*" pin ...