Applies To:
  • CitectSCADA 1.00, 1.01, 1.10, 1.11, 2.00, 2.01
Summary:
Request for procedure to disable all communication to a COM port. 

Solution:
The function UnitControl(<unit name>, 1, 1) will stop the I/O Server from communicating with any particular I/O Device. Use this function to disable all I/O Devices on the physical port that you want Citect to stop talking to.

This mode as been added to the function in Version 2.00 and later. 
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