ABB AC500 PLC - Connection of Active-type Analog Sensors (Voltage) with no Electrically Isolated Power Supply to the Analog Inputs

The following measuring ranges can be configured Ä Chapter 1.7.6.2.7 “Parameterization”
on page 1024:
Current 0 mA...20 mA 1 channel used
Current 4 mA...20 mA 1 channel used
The function of the LEDs is described under Diagnosis and displays / Displays Ä Chapter
1.7.6.2.8 “Diagnosis and State LEDs” on page 1030.
Unused input channels can be left open-circuited, because they are of low resistance.
To avoid error messages through unused analog input channels in measuring range 4 mA...20
mA, these channels should be configured as "Not used".
Connection of Active-type Analog Sensors (Voltage) with no Electrically Isolated Power Supply to the
Analog Inputs
The following figure shows the connection of active-type analog sensors (voltage) with no elec-
trically isolated power supply to the analog input AI0. Proceed with the analog inputs AI1 to AI3
in the same way.
Device Specifications
Communication Interface Modules (S500) > PROFINET
2019/04/17 3ADR010121, 13, en_US 1017