Siemens SIMATIC Box PC 620 Specifications download pdf (Page 55)

B-1

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

A5E00065531-03

OLE for Process Control (OPC)

In this appendix

OLE for Process Control (OPC) provides a standard mechanism for

communicating with numerous data sources. It is immaterial in this case whether

these sources are machines in your factory or a database in your control room.

You can use the OPC server provided with the SIMATIC Computing software to

communicate with the control engine and thus provide access to the process data.

SIMATIC Computing provides an OPC server that allows any OPC client

application to access data in the control engine. SIMATIC Computing does not

provide any OPC client application.

SIMATIC Computing implements the mandatory interfaces, as defined in the OPC

documentation, version 2.0, from the OPC Foundation. SIMATIC Computing also

implements the IOPC BrowseServerAddressSpace interface.

OPC is based on the OLE/COM technology from Microsoft. For more information

about OPC, refer to the OPC specification

OLE for Process Control Data Access

Standard, version 2.0

from the OPC Foundation.

Section Description Page

B.1 Using OPC with SIMATIC Computing B-2

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Siemens SIMATIC Box PC 620 Specifications Page 55