Analog Modules
4-60
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Abbreviations and mnemonics used in the figures below
The abbreviations and mnemonics used in the figures below have the following
meanings:
M +: Measuring lead (positive)
M–: Measuring lead (negative)
I
C
+: Positive connection of constant current output
I
C
-: Negative connection of constant current output
COMP
+
: Compensating terminal (positive)
COMP
–
: Compensating terminal (negative)
M
ANA
: Reference potential of the analog measuring circuit
M : Ground terminal
L +: Terminal for 24 VDC supply voltage
P5V: Module logic power supply
KV +/KV –: Connections to the shunt comparison
Note
The necessary connecting cables, which result from the potential connection of the
analog input module and the sensors, are not drawn in the figures shown below.
In other words, you must continue to take note of and implement Section 4.8 with
its generally valid information for connecting sensors.
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