Internal data points of the OPC A&E server
There is one internal data point for the OPC A&E server in WinCC OA: _AEServer1 of the data point type _OPCAEPvssServer. The configuration of the WinCC OA OPC A&E server is saved here - see also Configuration of the OPC A&E server.
The elements of the data point type are shown in the following table.
_OPCAEPvssServer
Data point element | Type | Description |
EventCategories.EventCategoryNames | dyn_string | Name of the event categories available in the server. |
EventCategories.EventTypes | dyn_uint | Types of the Event categories available in the server (1=Simple Events, 2=Conditional Events). |
Conditions.EventCategoryNames | dyn_string | Event Categories of the server conditions. |
Conditions.ConditionNames | dyn_string | Names of the server conditions. |
Conditions.AlertDps | dyn_dpId | Alert handlings that define the server conditions. |
SubConditions.AlertRangeTexts | dyn_langString | Language dependent names of the sub conditions. These are read from the alert handlings. The value cannot be set by the user. |
SubConditions.SubConditionNames | dyn_string | Language independent names of the sub conditions. So short, concise descriptions can be given for sub conditions. |
SimpleEvents.EventCategoryNames | dyn_string | Event categories of the simple events, defined in the server. |
SimpleEvents.AlertDps | dyn_dpId | Alert handlings that define the simple events. |
ServerItems.DpGroupNames | dyn_string | Name of the DP group to which a server data point belongs. The DP group corresponds to the name of the condition or "OPC_AE_Simple (for Simple Events). |
ServerItems.SourceItems | dyn_dpId | WinCC OA data points for the server items. |