Connecting Voltage Sensors - Siemens SIMATIC S7-400 Reference Manual

5.10

Connecting voltage sensors

Connecting voltage sensors
Note
The cables required to connect the analog input module and the sensors are not drawn in the
figures shown below.
In other words, you must continue to read and follow the instructions in the section "Connecting
sensors to analog inputs", which contains general information on connecting sensors.
+
U
-
+
U
-
Figure 5-7
M +:
M -:
M
ANA
(1)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
M+
M-
M+
M-
M
ANA*
Connecting voltage sensors to an AI
Measuring line (positive)
Measuring line (negative)
: Reference potential of the analog measuring circuit
Connection required for modules with M
5.10 Connecting voltage sensors
ana
Analog modules
207