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A-1

Windows Automation Center WinAC Slot 412/WinAC Slot 416 Version 3.1

A5E00065531-03

Distributed Component Object Model

(DCOM)

In this appendix

WinAC allows you to communicate across networks using Microsoft’s Distributed

Component Object Model (DCOM). You can use DCOM to integrate distributed

applications by way of a network. A distributed application consists of multiple

processes or different computers that cooperate to accomplish a single task jointly.

DCOM is a set of Microsoft concepts and program interfaces in which client

program objects can request services from server program objects on other

computers in a network. The Component Object Model (COM) provides a set of

interfaces that allow clients and servers to communicate within the same computer

(running Windows 95 or Windows NT).

Section Description Page

A.1 Using DCOM to Expand the Capabilities of WinAC A-2

A.2 Connecting to a Specific Control Engine over DCOM A-4

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Siemens SIMATIC Box PC 620 Spécifications Page 51