Connecting Voltage Sensors - Siemens SIMATIC S7-400 Reference Manual

Automation system module data

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Connecting voltage sensors

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.

S7-400 Automation System Module Data

Reference Manual, Ausgabe 11/2016, A5E00850736-08

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

Analog modules

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