7 Common parameter type definitions ToC Previous Next

7.40 TimestampsToReturn ToC Previous Next

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 184.

Table 184 – TimestampsToReturn values

Name 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.

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