Retrieve Historian Variables Manually

About this task

Use this procedure to retrieve Historian variables manually from Unit Operations.

Procedure

  1. In Plant Applications Web Client, select Unit Operations application.
    The Unit Operations page appears.
  2. On the Unit Operations page, in the Machines drop-down list box, select the machine on which the operation is performed.
    The Open workspace appears, displaying a list of open operations.
  3. Select any operation in the Ready state.
    The workspace for the operation appears.
  4. Select ON to enable the clock-on process on the operation.
    Note: The ON option is enabled only if the operation requires clocking on (as defined in Route Editor or the ERP system). The selected serial/lot is clocked on for the operation, and the status of the operation is changed to In-Progress. A timer appears in the operation details section to track the time taken to complete the operation.
  5. Select Quality.
    The Quality page appears, displaying the variables defined for the selected operation.
  6. Select the Historian variable from the list, and to add a value to it, select Retrieve Historian Data ( ).
    The value field is updated with data retrieved from the Historian. Similarly, you can update the values for all Historian Variables by selecting All Variables from the list and selecting Retrieve Historian Data ( ).
    Note: Whenever you want to have updated values for a Historian Variable, select Retrieve Historian Data ( .

Results

The system updates all the values for the Historian Variables.