Backing Tag Properties dialog box - Parameters tab settings
The following table describes the parameters on the Backing Tag
Properties
dialog
box - Parameters
tab.Parameter | Description |
Input/Output Row Header | An I at the start of a row indicates and Input parameter; an O indicates an Output parameter. |
Vis | Select the check boxes in this column to determine which parameters are visible on the function block. If the parameter is wired to another parameter, the check box will be selected, and can not be cleared because the parameter must be visible on the block. |
Name | The name of the parameter. Information in this column is read-only. |
Value | Displays the current value of the parameter. Values in this column are displayed according to the display style of the block tag’s data type. If the parameter is wired to, the value column will be read-only, and the value cannot change. If you modify this value while online, it has an immediate effect. |
Type | Displays the data type for the parameter. Information in this column is read-only. |
Description | Displays the description of the parameter. Information in this column is read-only. |
Insert Instruction Defaults | Resets the Vis and Value columns to the user-stored default values. |
Insert Factory Defaults | Resets the Vis and Value columns to Factory default values. |
Save Instruction Defaults | Enables storing the current values as the instruction defaults. |
Status | Displays status information for blocks containing status bits. If none of the status bits are set, an OK message appears in this field. Otherwise, a list of the status bits that are set appears here. This list is comprised of the parameter names associated with the status bits, and typically explain which parameters were configured with invalid values. |
Sort Parameters | Select this check box to sort the parameters alphabetically. Sort the names in the Name , Type , and Description columns by double-clicking on the column header cell. Subsequent clicks on the column heading alternate the sort between ascending and descending values. The check box is not selected by default. |
Execution Order (only applicable to Function Block Diagrams) | Displays the block's execution number if the routine is in a verified state. If the routine is not yet verified, a Routine not verified message appears. Note that this item is read-only. |
Never display description in a routine (only applicable to Function Block
Diagrams) | Select this check box to disable the description from displaying in the routine. |
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