8 Standard DataTypes

8.59 EventNotifierType

This is a subtype of the Byte DataType with the OptionSetValues Property defined. It is used to indicate if a Node can be used to subscribe to Events or read / write historic Events.

The EventNotifierType is formally defined in Table 42.

Table 42 – EventNotifierType Definition

Name	Bit	Description
SubscribeToEvents	0	Indicates if it can be used to subscribe to Events (0 means cannot be used to subscribe to Events, 1 means can be used to subscribe to Events).
Reserved	1	Reserved for future use. Shall always be zero.
HistoryRead	2	Indicates if the history of the Events is readable. (0 means not readable, 1 means readable).
HistoryWrite	3	Indicates if the history of the Events is writable. (0 means not writable, 1 means writable).
Reserved	4:7	Reserved for future use. Shall always be zero.