Connection of active-type analog sensors (Current) with galvanically isolated power supply
Fig. 56: Connection example
Current
0 mA...20 mA
1 channel used
Current
4 mA...20 mA
1 channel used
Unused input channels can be left open-circuited, because they are of low resistance.
Connection of active-type analog sensors (Voltage) with no galvanically isolated power supply
UP
ZP
1.0
I0-
1.1
I1-
1.8
UP
1.9
ZP
PTC
2.0
I0+
2.1
I1+
2.8
UP
2.9
ZP
0 ... 10 V
AGND
Fig. 57: Connection example
CAUTION!
The potential difference between AGND and ZP at the module must not be
greater than 1V, not even in case of long lines (see figure Terminal Assignment).
Device specifications
I/O modules > Analog I/O modules
2022/01/31
3ADR010278, 3, en_US
507