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Current tools:

OPC Server for Web-IO and serial communication




 Additional links: To the products Print version


Many visualization systems for building and automation technology are able to exchange data using the OPC standard. The OPC server available here permits convenient incorporation of Com-Servers, Web-IOs, Web-Thermometers and Web-Graphs into such systems.

Revisions Date Changes and comments  
4.51 October 11, 2011
  • Combined installation package, German, English
  • *msi download format
  • Optional automatic configuration of OPC mode for Web-IO Digital
MSI -
approx. 2.4 MB
4.44 May 11, 2011
  • Support for W&T models #57630(M), #57631(M), #57634(M)
    (Models with 2MB memory detectable with firmware V3.xx / Feb 2011 and higher)
ZIP -
approx. 1,530 KB
4.42 November 03, 2010
  • Support for W&T models #57638 (ERP 2+2 PoE), #57655 (IP Watcher PoE), #57656 (Trap-Receiver)
  • Optimized installation of the OPC server
ZIP -
approx. 1,530 KB
4.34 January 06, 2010
  • Items for counter values (Web-Count) optimized

The OPC Server 4.xx is not a direct update for Versions 3.xx. It is installed as a new service with new Server-ID parallel to any existing older Version 3.xx and does not affect the latter’s functionality. Detailed instructions (importing configuration profiles for Version 3.xx, converting OPC clients to new version, etc.) can be found in the online help.

ZIP -
approx. 1,700 KB
4.31 September 28, 2009
  • Supports W&T models Web-IO 6xI, 6xO, Digital Logger and Web-Thermograph Relay
  • Optimizing for synchronous item matching in client access

The OPC Server 4.xx is not a direct update for Versions 3.xx. It is installed as a new service with new Server-ID parallel to any existing older Version 3.xx and does not affect the latter’s functionality. Detailed instructions (importing configuration profiles for Version 3.xx, converting OPC clients to new version, etc.) can be found in the online help.

ZIP -
approx. 1,700 KB
4.25 May 05, 2009
  • Support for the W&T Web-Count and Web-Alarm models
  • Optimization for rejected connections to Web-IOs and Com-Servers

The OPC Server 4.xx is not a direct update for Versions 3.xx. It is installed as a new service with new Server-ID parallel to any existing older Version 3.xx and does not affect the latter’s functionality. Detailed instructions (importing configuration profiles for Version 3.xx, converting OPC clients to new version, etc.) can be found in the online help.

ZIP -
approx. 1,700 KB
4.20 August 19, 2008
  • Polling rate over the network can be limited
    (minimum requirement Web-IO Digital firmware 1.58/2.17)

The OPC Server 4.xx is not a direct update for Versions 3.xx. It is installed as a new service with new Server-ID parallel to any existing older Version 3.xx and does not affect the latter’s functionality. Detailed instructions (importing configuration profiles for Version 3.xx, converting OPC clients to new version, etc.) can be found in the online help.

ZIP -
approx. 1,700 KB
4.14 June 12, 2008
  • Improved reopening of the network connection to Web-IO Digital after infrastructure interruptions, e.g. for DSL connection
    (minimum requirement Web-IO Digital firmware 1.58/2.17)

The OPC Server 4.xx is not a direct update for Versions 3.xx. It is installed as a new service with new Server-ID parallel to any existing older Version 3.xx and does not affect the latter’s functionality. Detailed instructions (importing configuration profiles for Version 3.xx, converting OPC clients to new version, etc.) can be found in the online help.

ZIP -
approx. 1,700 KB
4.10 March 31, 2008
  • NEW:
    Additional support of the OPC standard Alarms&Events (for Com-Servers, Web-IO Digital and RFID Servers)
  • Installation includes OPC system files
  • Optimized Reconnect after connection interruptions
  • Expansion of the Mini-OPC client for A&E

The OPC Server 4.xx is not a direct update for Versions 3.xx. It is installed as a new service with new Server-ID parallel to any existing older Version 3.xx and does not affect the latter’s functionality. Detailed instructions (importing configuration profiles for Version 3.xx, converting OPC clients to new version, etc.) can be found in the online help.

ZIP -
approx. 1,700 KB
4.00 January 11, 2008
  • New architecture: The OPC server works as a background service with separate configuration program
  • Support for OPC DA 3.0 (OPC Alarms&Events in development)
  • New mapping concept for Web-IO Analog and Climate data
  • Updated and expanded online help
  • Various internal optimizations/changes

If when or after starting the OPC client a message appears that no OPC servers are available, the system may be missing the required OPC core components. You can download these in Version 3.00.102 here and install them. Alternately you can always find the most current version in the download area of the OPC Foundation at http://www.opcfoundation.org (OPC Core Components x.xx Redistributable).

ZIP -
approx. 1,500 KB
3.34 March 29, 2007
  • Supports new W&T devices: Web-IO, 12x Digital Input, 6x Digital Relay and Web-IO Thermohygrobarometer
  • With the Web-IO Digital the command for setting outputs is not issued over the network until the output actually changes its state
ZIP - approx. 810 kB
3.31 April 25, 2006
  • Installer change: Registers the program again in "App Paths"
  • OPC server for very fast computers optimized
  • Collision recognition over multiple sessions (e.g. under XP with
    fast user changing)
  • NEW: OPC item names are now freely definable
ZIP - approx. 810 kB
3.19 October 17, 2005
  • Clearer indication of started OPC servers
  • Supports Web-IO Analog-In (V+A)
  • Various corrections in the response for opening a connection to the Web-IO Digital
  • Error eliminated: An OLE problem was erroneously reported when WinSock was not installed.
ZIP - approx. 809 kB
3.17 May 12, 2005
  • Optimized reopening of the TCP connection after faults in the network infrastructure
ZIP - approx. 808 kB
3.15 April 12, 2005
  • Supports EnOcean module type STM 250 (window magnet sensor)
  • Errors corrected: EnOcean transceivers were mistakenly set for hardware handshake.
  • Optimized: Connection to Web-IO Digital was opened delayed by one clock
    of the polling rate
  • Optimized: Connection to Web-IO Digital was sometimes unnecessarily
    disconnected and reopened
ZIP - approx. 807 kB
3.11 February 09, 2005
  • New file-based configuration concept in place of
    registry entries
  • NEW: Support for Web-Thermo-Hygrograph
  • NEW: Support for EnOcean-Com-Servers
ZIP - approx. 806 kB
2.19 July 19, 2004
  • Optimizing when writing variables when connections are faulty
  • Detailed error logging
  • Optimized window layout
ZIP - approx. 777 kB
2.17 June 16, 2004
  • Installation will now take place as an MSI package
  • Optimization of the self-registration
ZIP - approx. 765 kB
2.15 April 23, 2004
  • Functions for Web Thermometers added
ZIP - approx. 701 kB
2.10 August 20, 2003
  • Extended OPC server functions for Web-IO Digital
    (password protection and read-out of the counters)
ZIP - approx. 705 kB
2.08 July 29, 2002
  • When called by the client application, the OPC server starts invisibly in the background (protection against the user manipulating the application)
ZIP - approx. 627 kB
2.07 April 09, 2002
  • Error in the namespace browser rectified
  • VBA example revised
ZIP - approx. 625 kB
2.05 August 20, 2001

OPC server for Windows NT/2000/95/98/Me

ZIP - approx. 624 kB
 
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