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Command: Online Change Memory Reserve Settings

Function: The command opens the Online Change Memory Reserve view.

Call: View menu

In the view, memory reserves are configured for function blocks during the online change.

Scan Application

  • Searches the selected application for function blocks and displays them in the Function Blocks area

  • Refreshes the Function Blocks area after the application is built again

  • Refreshes the Function Blocks area after an online change

List box with the applications of the open project

Selection of the application whose function blocks should be displayed and/or edited in this view

Table 84. Function Blocks

All

All function blocks of the selected application are displayed.

Pool

All function blocks of the POUs view which are displayed are referenced in the application.

No memory reserve

All function blocks with a memory reserve of 0 bytes are displayed.

<memory reserve> bytes

Display of all function blocks with the number of bytes is displayed that is defined in Memory reserve

Information about the function blocks

Multiselection is also possible when selecting a POU for the configuration of the memory reserve.

Function block

Name of the function block

Size

Size of the function block

Size of an instance of a function block

Specified in bytes

Instance count

Number of instances of a function block in the project

Memory reserve

Display of the memory reserve for each instance of the function block

Additional memory for all instances

Product of Instance count and Memory reserve

Remaining size of memory reserve

Number of bytes which are available as reserve



Table 85. Settings

Memory reserve (in bytes)

Input field for the memory reserve for the selected function block

Specified in bytes

Requirement: The application does not yet exist on the controller or you have clicked the Enable button in the Enable Editing area to allow the memory reserve to be changed.

Apply For Selection

The Memory reserve (in bytes) is assigned to the function block and the Memory reserve column is refreshed.

In multiselection, the specified value is assigned to each function block.

In order to update the Size, Instance count, Additional memory for all instances, and Remaining size of memory reserve columns, click Build → Build, and finally click the Scan Application button.



Table 86. Enable Editing

Edit

The Memory reserve (in bytes) field is editable.

This button is modified in Editable.



Table 87. Information

No. of FBs

Total number of function blocks in the application

Additional memory used by all instances

Sum of the memory reserves of all function block instances of the application

Specified in bytes



For more information, see: Configuring the Memory Reserve for an Online Change