Symbol Properties

General properties

Name: Name of the symbol.

Specification: Data type of the symbol, see Data type properties.

Select data type

Select: Select data type – it can be a basic TwinCAT data type or a user-defined data type.

Description: Define whether the type is the following:

• Normal type
• Pointer
• Pointer to pointer
• Pointer to pointer to pointer
• a reference

Type information

• Namespace: Namespace for selected data type.
• GUID: unique ID of the data type.

Optional data type settings

Offset [Bits]: Offset of the symbol within the data area; a different offset can be defined for the x64 platform.

Size [Bits]: Size in bits, if specified. A different size can be defined for the x64 platform.

Comment: Optional comment that is visible, for example, in the instance configurator.

Create Symbol: Default setting for ADS icon creation.

Hide sub items: If a variable has sub-elements, then the System Manager will not allow the sub-elements to be accessed. This should be used, for example, in the case of larger arrays.