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Version: 7.9

system.opchda.insert

This function is used in Python Scripting.

Description​

Insert values on the OPC-HDA server if the given item ID does not 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.insert(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.
ObjectdateThe date to insert.
intqualityThe quality to insert.

Returns​

QualityCode - The result of the insert.

Scope​

All

Code Examples​

Example #1
# This will insert the value for May 28th, 2014 at 5:42:33.

date = system.date.getDate(2014, 4, 28)
datetime = system.date.setTime(date, 5, 42, 33)
system.opchda.insert("MyHistoryServer", "MyItemId", 42.5, datetime, 192)