Command Online Change Memory Reserve Settings

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

Call: Menu PLC > Window.

This view is used to configure the memory reserves for the online change for function blocks.

Browse application

  • Searches the selected PLC project for function blocks and displays them in the Function blocks area
  • Updates the Function blocks area after the PLC project has been compiled again
  • Updates the Function blocks area after an online change

Selection list with the PLC projects of the open TwinCAT project

Selection of the PLC project whose function blocks are to be displayed and/or edited in this view

 

Function blocks:

All

All function blocks of the selected PLC project are displayed.

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 defined in memory reserve.

Information on the function blocks

Multiple selection is also possible when selecting a function block for configuring the memory reserve.

Function block

Name of the function block

Size

Size of the function block

Size of an instance of the function block

Specification in bytes

Number of instances

Number of instances of the function block in the project

Memory reserve

Displays the memory reserve for each instance of the function block

Additional memory for all instances

Product of number of instances and memory reserve

Remaining memory reserve

Number of bytes that are available as reserve per function block instance

 

Settings:

Memory reserve (in bytes)

Input field for the memory reserve for the selected function block.

Specification in bytes

Requirement: The PLC project is not yet on the controller or you have allowed the memory reserve to be changed by clicking the Allow button in the Allow editing area.

Apply to selection

The memory reserve (in bytes) is assigned to the function block, and the Memory reserve table column is updated.

If multiple function blocks are selected, the entered value is assigned to each function block.

To update the columns Size, Number of instances, Additional memory for all instances, and Remaining memory reserve size, first choose Create > Create, then click the Browse application button.

 

Enable editing:

Enable

The input field Memory reserve (in bytes) becomes editable.

This button is changed to Editable.

 

Information:

Number of FBs

Total number of function blocks in the PLC project

Additional memory for all instances

Sum of the memory reserves of all function block instances of the PLC project

Specification in bytes

See also: