The StartHistoryReadExReq object is used in:
| Property | SubType | Read Only | Description |
|---|---|---|---|
|
Count |
Integer |
No |
Sets the number of requested values in the array. |
|
Direction |
Integer |
No |
Sets the direction in which the points should be returned. |
|
RollupPeriod |
Integer |
No |
Sets the rollup period. Rollup period refers to the quantity of units in a period. For example, to rollup 30 days, the RollupPeriod is 30 and the RollupUnit is "days." |
|
RollupType |
Integer |
No |
Sets the value entry rollup type. The possible values are listed on the CxRollupType table. |
|
RollupUnits |
Integer |
No |
Sets the rollup units. This refers to time increments, such as seconds, minutes, hours, or days. The possible values are listed on the CxRollupUnits table. |
|
TagString |
Variant |
No |
Sets tag string for a history point tag. Type: HistoryTagString |
|
TimeStampEnd |
Date |
No |
Sets the timestamp for the ending history record of a time period for a given point (Local time without milliseconds). |
|
TimeStampEndMs |
Date |
No |
Sets the timestamp for the ending history record of a time period for a given point (Local time with milliseconds). |
|
TimeStampEndRaw |
Date |
No |
Sets the timestamp for the ending history record of a time period for a given point (UTC time with milliseconds). |
|
TimeStampStart |
Date |
No |
Sets the timestamp for the starting history record of a time period for a given point (Local time without milliseconds). |
|
TimeStampStartMs |
Date |
No |
Sets the timestamp for the starting history record of a time period for a given point (Local time with milliseconds). |
|
TimeStampStartRaw |
Date |
No |
Sets the timestamp for the starting history record of a time period for a given point (UTC time with milliseconds). |
|
TopOfDayHour |
Integer |
No |
The offset value to use if the subunit to the major unit (i.e. hours to a day) does not start at the time unit expected. For example, to accommodate contract days starting at 5 AM, the TopOfDayHour would be 5 (indicating 5 hours from midnight). |