CitectSCADA – Dot Matrix Alarm Printing (Problem)
If you are having trouble with alarm printing to dot matrix (via DOS-PRINT)
Suspect trouble: Your alarm only printed once, after that you can’t print anymore even using manual command/script.
here is some trick to make your alarm print works:
configure your device (printer) as usual configuration (I assume you have configured DOS-PRINT)
This is the main trick, we need to Flush the printer (In my case, I put every 3 second)
and the function PrinterFlush() should be created in cicode.
And here is the cicode function:
FUNCTION PrinterFlush() INT hDevice; ErrSet(1); hDevice = DevOpen("PRINT1",0); IF IsError() = 0 THEN DevFlush(hDevice); DevClose(hDevice); END ErrSet(0); END
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