system.opc.readValues

Description

This function is equivalent to the system.opc.readValue function, except that it can operate in bulk. You can specify a list of multiple addresses to read from, and you will receive a list of the same length, where each entry is the qualified value object for the corresponding address.

Syntax

system.opc.readValues(opcServer, itemPaths)

Parameters

String opcServer - The name of the OPC server connection in which the items reside.

String[] itemPaths - A list of strings, each representing an item path, or address to read from.

Returns

QualifiedValue[] - A sequence of objects, one for each address specified, in order. Each object will contains the value, quality, and timestamp returned from the OPC server for the corresponding address.

Scope

All