Simple Monitor Example

Specify a valid Process Variable name. The PV will then be monitored, i.e. all incoming data will be displayed.

SimpleMonitor.gif (4106 bytes)The corresponding diagram shows the simplest application of the ActiveX CA Client VIs:

  1. Open a connection
  2. Wait for Data
  3. Close the connection

If the PV does not exist, the "PVCheckForXX.vi" will wait forever (timeout -1). If the PV exists initially but gets disconnected, the valid indicator will turn to the false state.

Tips for extensions:

09-Aug-1999, Kay-Uwe Kasemir