Specifications

3 General Programming

3.2 Program blocks

Programming Guideline for S7-1200/1500

V1.2, Entry ID: 81318674

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Figure 3-4: Storing program parts in order in the project library

For further information, please refer to chapter 3.7 Libraries.

Note

You will find further information in the following entry:

Which organization blocks can be used in STEP 7 (TIA Portal)?

http://support.automation.siemens.com/WW/view/en/58235745

3.2.2 Functions (FC)

Figure 3-5: “Add new block” dialog (FC)

FCs are blocks without cyclic data storages. This is why the values of block

parameters cannot be saved until the next call and has to be provided with actual

parameters when called.

Properties

 FCs are blocks without cyclic data storages.