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 |
|
SubscribeTo Events |
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). |
|
|
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). |
|
|
4:7 |
Reserved for future use. Shall always be zero. |