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Version: 8.1

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

TypeParameterDescription
StringserverNameThe name of the defined OPC-HDA server.
StringitemIdThe item ID to perform the operation on.
ObjectvalueThe value to insert or replace.
ObjectdateThe date to insert or replace.
QualityCodequalityThe 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