Connecting Loads/Actuators To Voltage Outputs - Siemens SIMATIC S7-300 Reference Manual

Programmable logic controllers module data

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Connecting Loads/Actuators to Voltage Outputs

Connecting Loads to a Voltage Output

Connecting loads to a voltage output is possible both in a four-conductor and a

two-conductor connection. However, not all analog output modules allow both

types of connection.

The necessary connecting cables, which result from the potential connection of the

analog output module, are not drawn in the figures shown below.

In other words, you must continue to take note of and implement Section 4.13 with

its generally valid information for connecting loads and actuators.

Abbreviations and mnemonics used in the figures below

The abbreviations and mnemonics used in the figures below have the following

Programmable Logic Controllers S7-300 Module Data

A5E00105505-03

Analog output voltage

Detector lead (positive)

Detector lead (negative)

Reference potential of analog circuit

Load impedance

Terminal for 24 VDC supply voltage

Ground terminal

Potential difference between M

and M terminal of CPU.

Analog Modules

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