Siemens SIMATIC ET 200S Manuel des fonctions - Page 23

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4.2

Calling the function block

Procedure

Proceed as follows to work with the _ET200S_FC_control function block in your user project

(the numbers shown in the following program segment correspond to the steps listed below):

1. Create an instance of the function block.

2. Call instance of the function block.

3. Transfer input parameters.

4. The output parameters of the function block are accessed with <instance name of

FB>.<name of output parameter>.

5. The data for the I/O outputs prepared by the FB are assigned to the I/O variables.

Note

The program segment is an extract from the supplied application example. The application

example is included on the "SIMOTION Utilities & Applications" CD-ROM and is available

for various SIMOTION hardware platforms.

The "SIMOTION Utilities & Applications" CD-ROM is provided free of charge with

SIMOTION SCOUT.

If you want to control several frequency converters, you must create a new variable for the

FB instances with a new name for each module used.

Separate data structures have been created for the input and output parameters in the

example to provide a better overview.

Call example

UNIT E_FC_ctrl;

INTERFACE

TYPE

...

END_TYPE

VAR_GLOBAL

Supplement for the ET 200S frequency converter

Function Manual, 01/2015

// see example

Parameterization

4.2 Calling the function block