Use this procedure to retrieve Historian variables
manually from Unit Operations.
Procedure
In Plant Applications Web Client, select Unit Operations
application.
The Unit Operations page appears.
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.
Select any operation in the Ready state.
The workspace for the operation appears.
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.
Select Quality.
The Quality page appears, displaying the variables
defined for the selected operation.
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.
).
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 (