Fig. 151: Connection of active-type sensors (voltage) with no electrically isolated power supply
to the analog inputs
NOTICE!
Risk of faulty measurements!
The negative pole/earthing potential at the sensors must not have too large a
potential difference with respect to ZP (max. ± 1 V within the full signal range).
Make sure that the potential difference never exceeds ± 1 V.
Voltage 0...10 V 1 channel used
Voltage -10 V...+10 V 1 channel used
The measuring ranges are described in the section Measuring Ranges
Ä
Chapter 1.7.2.2.8
“Parameterization” on page 794
Ä
Chapter 1.7.2.2.11 “Measuring Ranges” on page 802:
To avoid error messages from unused analog input channels, configure them as "unused".
Connection of Passive-type Analog Sensors (Current) to the Analog Inputs
The following figure shows the connection of passive-type analog sensors (current) to the
analog input AI0. Proceed with the analog inputs AI1 to AI3 in the same way.
Communication Interface Modules (S500) > CS31
2019/04/173ADR010121, 13, en_US788
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