system.opchda.insertReplace
This function is used in Python Scripting.
Description​
Will insert values on the OPC-HDA server, or replace them if they already exist.
Client Permission Restrictions​
Permission Type: OPC Server Management
Client access to this scripting function is blocked to users that do not meet the role/zone requirements for the above permission type. This function is unaffected when run in the Gateway scope.
Syntax​
system.opchda.insertReplace(serverName, itemId, value, date, quality)
Parameters​
| Type | Parameter | Description |
|---|---|---|
| String | serverName | The name of the defined OPC-HDA server. |
| String | itemId | The item ID to perform the operation on. |
| Object | value | The value to insert or replace. |
| Object | date | The date to insert or replace. |
| QualityCode | quality | The quality to insert or replace. |
Returns​
QualityCode - The result of the insert or replace operation. See Scripting Object Reference.
Scope​
Gateway, Vision Client, Perspective Session
Code Examples​
Example #1
# This example will insert a new date for a specific entry on an OPC HDA server.
# Declare a date to insert
start = system.date.getDate(2022, 10, 25)
# Call the system function
hda = system.opchda.insertReplace('Matrikon HDA','1',3,start,1)
# Print out various attributes
print hda.isError()
print hda.getCode()
print hda.isBad()
print hda.isGood()
Keywords​
system opchda insertReplace, opchda.insertReplace