Every negative analog input is internally connected to M (0 V) via an individual low impedance
(PTC) return current path for the sensor supply current in IEPE mode. This is important for
applications where a high input impedance on the negative analog input is required. Example:
Stain gauges, bridge network.
NOTICE!
Analog sensors should be electrically isolated against earth. In order to avoid
inaccuracy with the measuring results, the analog sensors should also be iso-
lated against the power supply.
Connection of
Active-Type
Analog Sensors
(Voltage) with
Electrically Iso-
lated Power
Supply
Connection of
Active-Type
Analog Sensors
(Voltage) with
no Electrically
Isolated Power
Supply
2019/04/173ADR010121, 13, en_US678
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