Siemens Memory Specifications download pdf (Page 57)

3 General Programming

3.7 Libraries

Programming Guideline for S7-1200/1500

V1.2, Entry ID: 81318674

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Further information on the handling of libraries can be found in the following

example.

3.7.4 Versioning of a block

Example: Creating a type

The following example shows you how the basic functions of the libraries are used

with types.

Table 3-9: Creating a type

Step Instruction

1. Create a new PLC data type with “Add new data type” and create some tags.

Later on this is the subordinate type.

2. Create a new function block with “Add new Block”. This is the higher-level type.

3. Define an input tag of the data type you have created. The PLC data type is

therefore subordinate to the function block.

4. Drag the function block via drag & drop into the “Types” folder in the project

library.

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Siemens Memory Specifications Page 57