W&T Com-Server++ - Overview

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W&T OPC data transfer
22�1 Overview
The W&T OPC-Server Version 4 conforms to OPC Data Access
3.0 as well as OPC Alarms & Events 1.10. It is implemented
as a background service, whereby client connections as well
are possible without any active user login on the respective
computer. Configuration is file-based using the separate
configuration program described in the following sections. In
addition to the serial Com-Servers, the following W&T product
families are also supported:
• Web-IO Digital (and Digital-E/A Com-Server)
• Web-IO Analog
• Web-IO Climate
The OLE server name which needs to be specified for the OPC
clients in order to connect to the server, is Wiesemann-Theis.
Network-IO for OPC DA and Wiesemann-Theis.Network-Events
for OPC A&E.
1
The following sections describe a quick start-up which is
sufficient for many applications. More detailed informa-
tion for all configuration options for the W&T OPC Server can
be found in the online help.
i
This description refers
to the OPC Server
Version 4.00 and hig-
her. Installation and
configuration of earlier
versions differs consi-
derably in parts. If in
doubt, please use the
online help for the cur-
rently installed version.