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RSView Supervisory Edition Installation Guide

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7 Setting up<br />

communications<br />

This chapter describes:<br />

• what OPC ® is.<br />

• setting up communications.<br />

• what data servers are.<br />

• adding OPC data servers to an application.<br />

• adding RSLinx ® Enterprise data servers to an application.<br />

• setting up communications in RSLinx Enterprise<br />

• removing data servers from an application.<br />

About OPC communications<br />

OPC stands for OLE for Process Control, a protocol used to connect<br />

<strong>RSView</strong> ® to communication devices via vendor-specific OPC servers.<br />

<strong>RSView</strong> supports the OPC-DA 2.0 specification.<br />

OPC servers provide a way for <strong>RSView</strong> to retrieve tag values from:<br />

• Allen-Bradley ® controller devices, using RSLinx as an OPC server.<br />

• third-party controller devices, such as Siemens or Modicon ® , using<br />

third-party OPC servers.<br />

Setting up communications n 7–1

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