Data Reading and Writing

Read and write OPC server data synchronously or asynchronously

Functions

`read`	Read data synchronously from OPC DA groups or items
`readasync`	Read data asynchronously from group or items

`write`	Write values to group or items
`writeasync`	Asynchronously write values to group or items

cancelasync Cancel asynchronous read and write operations

Describes how to use group and item objects to read and write data synchronously and asynchronously.

Describes how OPC Toolbox™ software arranges data in structure formats.

Describes the Value, Quality, and TimeStamp elements that make up OPC data.

Describes how you can use array formats returned by OPC Toolbox software.

Describes how OPC Toolbox software deals with MATLAB^® data types and OPC server data types.

The basic steps involved in using OPC Toolbox™ to acquire data from an OPC Server.

Use OPC Toolbox™ synchronous read and write operations to exchange data with an OPC server.

Configure and execute a logging session, and how to retrieve data from that logging session.