Applies To:
  • CitectSCADA 3.30 4.10
Summary:
The SYENET driver shows instability in some configurations. Particularly when using Windows for Workgroups or Windows '95 or when running a DOS session simultainiously with Citect. This may cause Windows to crash to the DOS prompt. 

Solution:
CIT has confirmed this to be a problem in Citect for Windows versions up to 3.21. This problem has been fixed in version 3.30 with modifications to the SYENET driver and a new DOS TSR which provides help for the Syenet driver. To use the new driver you must run DOSMEM.EXE before starting windows. Generally it should be called from the AUTOEXEC.BAT file after loading the SFI610 software drivers.  
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