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The TimestampsToReturn is an enumeration that specifies the Timestamp Attributes to be transmitted for MonitoredItems or Nodes in Read and HistoryRead. The values of this parameter are defined in Table 179.
Table 179 – TimestampsToReturn Values
|
Value |
Description |
|
SOURCE_0 |
Return the source timestamp. |
|
SERVER_1 |
Return the Server timestamp. |
|
BOTH_2 |
Return both the source and Server timestamps. |
|
NEITHER_3 |
Return neither timestamp. This is the default value for MonitoredItems if a Variable value is not being accessed. For HistoryRead this is not a valid setting. |
|
INVALID_4 |
No value specified. |