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Free Stuff - OPC Servers
This page draws together all the information we have on freely available OPC servers.
The tools which appear on this page are all supplied free of charge, and are either pre-built or supplied as 'ready to build' source code, or both. Some are evaluation versions, and are identified as such. They may all be downloaded from the Web.
Our Source Code and Tools and Techniques pages carry more information on some of these tools, while our Links page offers some recommendations from third-party sites.
See also:
Free OPC Servers
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Product |
Supplier |
Notes |
|
MatrikonOPC |
Various OPC Servers available for free (Modbus, Siemens, SNMP, DNP3..etc). Vast selection of devices, protocols and API is supported. View all OPC Servers' categories here. | |
|
MatrikonOPC |
One OPC Server for all PLCs (Siemens S7, Allen Bradley, Modbus PLCs...etc). Supports OPC UA and OPC Classic (DA, HDA, and A&E). Its advanced framework supports Redundancy, Calculations and Security. |
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|
MatrikonOPC |
Widely used OPC Simulation Server, compliant with DA 2.05, DA 3.00 and AE specifications, and also with HDA support. Watch this "How to Video" for quick setup |
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Advosol |
Advosol offers a number of simulation and sample servers, usually as part of a toolkit or component evaluation (requires registration). Supported specifications include DA 2, DA 3, HDA and XML-DA. |
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Beijer Electronics |
Time-limited demo of DA 2.0 server. Many protocols are supported, and multiple protocols may be used simultaneously. |
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Cogent Real-Time Systems |
Time-limited demo of DA 2 and DA 3 server and client combination that supports OPC tunnelling, aggregation, and bridging. Also offers TCP and DDE client and server, plus scripted read/write connections to ODBC databases and MATLAB. |
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Cyberlogic |
Time-limited versions of servers for Modicon and Allen-Bradley, supporting DA 1.0a, 2.05a and 3.0, AE 1.1 and XML-DA 1.0. Free licensing for non-production use is available. |
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DSxP |
Freeware simulator server for DA 2.0 and 1.0. Usefully shows list of clients and groups, plus an activity log. |
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Graybox |
Free simulation server, compliant with all DA standards. May be redistributed with no limitations. |
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Graybox |
Demo version of compliant DA server toolkit. Free download is restricted to 100 tags but otherwise unlimited. |
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Hexatec |
A simple OPC server which allows monitoring of the PC's memory usage and disk space. |
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ICONICS |
Demo servers for Modbus Serial and TCP. Support Data Access 1 through 3, and Alarms & Events 1.10. |
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|
ICONICS |
A sample predefined browse space is supplied, but this may be modified and saved to different files as required. Supports Data Access 1 through 3, plus Alarms & Events 1.10. |
|
|
INAT |
Evaluation versions of OPC servers for various protocols. Run for 72 hours after every restart. |
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IOServer |
Evaluation version of a combined OPC server and client package, including several I/O drivers. Very flexible, but user interface is sometimes confusing. Includes support for a proprietary protocol, offering a subset of OPC Data Access functionality, which uses XML data packets sent over HTTP. |
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Kassl |
Trial version of a revolutionary product which allows full emulation of other DA servers with no need for an underlying communications network. Invaluable for system development, configuration, and demonstration. dOPC Clone is DA 2.05a compliant. |
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NetListener |
Trial version of a DA server which monitors network status using either ICMP (Ping) or SNMP. |
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OPCTechs |
Two-hour trial version of an OPC server supporting DA 2, DA 3, AE and XML-DA. A wide range of protocols is offered. |
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Prosys |
Fully compliant DA 2.05a server with source, demonstrating capabilities of the Prosys Sentrol rapid development framework. |
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Softing |
Free demo server. Version 4.10 adds XML-DA to the existing DA and AE support. The XML-DA server may run standalone, or integrated with Apache or IIS. |
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OmniServer |
Demo version of a product which allows the user to define his/her own serial or TCP/IP protocol without programming. Also supports DDE for legacy purposes. Requires restart after 60 minutes. Now certified DA 2.05a compliant. |
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Software Toolbox |
Rebadged version of Kepware's KEPServerEX (above). Now DA 3.0 compliant. |
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SAE Automation |
SAEAUT SNMP OPC server allows operators to obtain the status information from network devices. |
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SST |
In-process simulation server, supplied as an aid to compliance testing of OPC clients. Now has improved OPC Data Access 2 support and includes the updated proxy/stub DLL, as well as a simple client program (see clients). |
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|
OPC Server Demos |
Restricted versions of various OPC servers, some now with DA 3 support. |
|
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Kepware |
Time-limited demo download of DA server bundle. Supports DDE and SuiteLink for legacy applications. Now DA 3.0 compliant. |
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WinTECH Software |
OPCSvr.zip is a simulation server supporting Data Access 2. It has some useful diagnostic aids: the user may control the profiles of the simulated data points, and all OPC interface calls are displayed in a logging window. Also available is a demo server for Historical Data Access. |
OPC Servers & OPC Clients
Free OPC Tutorial,
Downloads, Webcasts, Live Advice
www.MatrikonOPC.com
OPC Training
Hands-on experience with OPC
Learn from those who do!
www.OPCTraining.com
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