OPC - OLE (Object Linking and Embedding) for Process Control :: The Industrial Interoperability Standard
Array Knowledge Base
most important key terminologies you need to know if you work in Automation, Controls, Brilliant Manufacturing, Operational & Industrial Intelligence or IoT etc.
; regardless of any vendor(s) you are dealing (Allen Bradley, GE Fanuc, Siemens, Modicon, Mitsubishi, Omron, Automation Direct etc).
A data array is a set of contiguous data of the same data type with an arrangement of elements in one or more dimensions.
If the OPC server supports data arrays, then by configuring an item in OPC Client as a data array, you enable the OPC Client to read multiple values from an OPC server.
Reading multiple values with a single item simplifies the driver configuration and improves driver throughput.
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