Siemens SIMATIC PCS 7 Operating Manual page 39

We distinguish between the following types of references:
● Global variable reference
Connection to data blocks
● Block variable reference
Connections to CFC block connections, that are not defined in the "Type configurator"
plugin or in the technological editor for the exchange between PAA and PCS 7
● Textual reference
Connection to control variables, that are not defined in the "Type configurator" plugin or in
the technological editor for the exchange between PAA and PCS 7
Requirement
A function plan is open for editing.
A block is placed, whose parameter you wish to link to the parameters of another block.
Procedure
1. Drag&drop the reference from the toolbar onto the function diagram.
The reference object is created in the Navigator below the function plan.
2. Connect the reference to the input parameter of the placed object.
3. To mark the reference, click once on the symbol of the placed reference.
The selected reference is highlighted in magenta.
4. To define the type of reference, in the context menu, select the command "Reference type
> <requested type>".
A textual reference is created by default.
5. To input the path of the block that you wish to reference, select one of the following options
here:
– To accept the absolute path in a control variable present in PAA, select a control variable
– To enter the path of the reference manually, click twice in a row on the descriptive text
Plant Automation Accelerator 3.0
Operating Manual, 04/2019, A5E46351208-AA
in the navigator and pull the symbol of the reference to the function plan via Drag&Drop.
Adjust the path so that it corresponds to the desired reference:
Example for the syntax of a textual reference with unit hierarchy: PCS 7 Project name
\Hierarchy path\CM.CV
Example for the syntax of a global variable reference with unit hierarchy: Name of the
global DB.ElementName
Example for the syntax of a block variable reference with unit hierarchy: PCS 7 Project
name\\Hierarchy path\\BlockName.BlockVariable
in the symbol of the placed reference.
The text field is activated for editing.
Enter the path.
You can enter a relative or an absolute path. As such the syntax from PCS 7 applies:
(Plan\block.connection) with TH-path (if available). Further information on this topic can
be found in the "CFC for SIMATIC S7 (V9.0)", keyword "Reference at the parameter of
a control variable" manual.
Management of control module types
7.12 Using references
39