OPC (OLE for Process Control) Server for Windows NT 4.0 / 95 / 98 / ME / 2000 / 2003 / XP / Vista/ 2008 / 7 / 8 / 10 / 2012. Interface to multiple protocols through a single OPC Server.

This software allows OPC clients such as HMI (Human Machine Interface) and SCADA (Supervisory Control
and Data Acquisition) systems to exchange plant floor data with PLC (Programmable Logic Controllers).
  Supports TCP/IP, UDP/IP or Serial (Direct, Telephone Modem or Radio) I/O.
  Master and Slave protocol implementation.
  Unlimited level of multi-path (serial / TCP/IP) device redundancy.
  Four level of IP Address redundancy.
  No need to change OPC Server if you change your hardware or HMI/SCADA software.
  One OPC Server can run all supported protocols and link drivers (Ethernet / Serial) simultaneously.
  Full time line data analyzer and logging. Great for commissioning or tuning system on site.
  Modeless operation. No separate configuration and run mode.
  OPC Gateway to convert data between any OPC Servers.
  OPC Explorer with data simulator for interoperability testing with any OPC Server.
  Free Support
  Download Software:
IOServer is available via the following downloads.
Please read the FAQ first on how to use IOServer

All supported drivers driver24.exe (20th June 2020).
Documentation (in HTML format) iosdoc.exe (20th June 2020)
Beta drivers beta2503.exe (15th September 2020)

I started up IOServer and all I get is a simple main window and a smaller 'IOServer View' window, what do I do now?
How do I make IOServer recognize my Modbus RTU device on COM1?
I have added a 'COM' board, a 'COM1' port and a 'Modbus1' Device. How do I know it is working?
I have downloaded 'driver.exe' and run it, but when I add a port the xyz protocol does not show up as a valid choice.
Do I have to uninstall IOServer first, before installing a new version of driver.exe?
What happens if I used more than 10 bytes in my unregistered version of
  We provide free email support to all users. Users must read the FAQ first. Please email us if you need support with using IOServer, it does not matter how long ago or if you have purchased IOServer.

We aim to fix all reported problems within 24 hours.
E-mail: support@ioserver.com
  IOServer Users  (More Users..)
© Copyright IOServer Pty Ltd. All rights reserved.
E-mail:  Phone/Fax: +61 2 9805 0356 (Australia)
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Last updated: 15 September 2020