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[KB77]Quality OPC flags for PcVue OPC Server

Tags: OPC, OPC-DA Server

Communication interfaces
14 years ago
By RM
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Applies to:

PcVue 7.20a onwards.
Summary:

This article explains how to interpret the quality information provided by the PcVue OPC server.
Details:

Each OPC item is sent by the PcVue OPC server with at least these 3 properties:

  • Value
  • Timestamp
  • Quality

Since version 7, it has been possible for an OPC client to connect to PcVue as an OPC server.

Meanings

The quality flags have the following meanings:

Quality_OPC_flag

Created on: 15 Oct 2010 Last update: 13 May 2024