Object or View in the AddressSpace for which a Client can access historical Events

Note 1 to entry: “HistoricalEventNode’s history” or “history of a HistoricalEventNode” refers to the time series Events stored in some historical system. Examples of such data are:

• Notifications
• system Alarms
• operator action Events
• system triggers (such as new orders to be processed)

The term HistoricalEventNode is used when referencing aspects of the standard that apply to accessing historical Events only.