FB_QRC_ChangeGroup
This function block enables the coding of the QRC frames that are used to edit or poll a change group.
Syntax
FUNCTION_BLOCK FB_QRC_ChangeGroup
VAR_OUTPUT
bError : BOOL;
ipResultMessage : I_TcMessage;
END_VAR
Outputs
Name | Type | Description |
|---|---|---|
bError | BOOL | Set when an error has occurred. Error details are located in the Error List window. |
ipResultMessage | I_TcMessage | Enables error handling with the Tc3_EventLogger. |
Methods
Name | Description |
|---|---|
FB_init | Initialization method |
AddControl | Add one or more controls to a change group via Named Controls. |
AddComponent | Add one or more controls to a change group via Named Component. |
Remove | Remove one or more controls from a change group. |
Poll | Poll a change group to get its changes. |
Destroy | Delete a change group. |
Clear | Delete all controls from a change group. |
Invalidate | Specify to all controllers to report their properties in the next polling round. |
AutoPoll | Set up automatic polling. |
AddSnapshot | Add one or more snapshots to a change group via Named Snapshot Component. |
 | 1. A change group is a grouping of Named Controls or Named Components. This function block is used to get more control properties with only one QRC frame. 2. If there is no target change group, it will be created automatically after the first |