M
I+
: Measuring current (positive)
M
V+
: Measuring voltage (positive)
M +: Measuring line (positive)
M -: Measuring line (negative)
U
H
: Auxiliary voltage
(1) Sensor, for example, pressure gauge
(2) 4-wire transducer
Analog modules
5.11 Connecting current sensors
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 211
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