Siemens CU240S DP Installation Manual download pdf (Page 6)

2 Functionality of the function example

2.1.1 Task description

The SINAMICS G120 is to be controlled from an S7-300 CPU via Profibus.

2.1.2 Solution

In this function example, the control of a SINAMICS G120 (control word and

frequency setpoint) will be demonstrated using an S7-300 CPU and a specific

program example.

This program example comprises an S7 program to control the SINAMICS G120

and the appropriate configuration in the SINAMICS G120.

2.2 Structure of the function example

• In Chapter 3 the required hard and software components for the function-

examples are shown.

• The download and test of the program examples supplied are described in

Chapters 4 to 5.

• Chapter 6 informs about the key performance date.

• In Chapter 7 more detailed information are delivered. These Steps are not

necessary for the commissioning of the function-example and you don’t have

to do these because they are already included in the S7-Program and

accordingly the SINAMICS G120 Project. The given information should help

you with the creation of your own projects.

SINAMICS G120 (CU240S DP) Control via PROFIBUS

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Siemens CU240S DP Installation Manual Page 6