Simulink Send / Receive data model Example

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Raymond Chiu
Raymond Chiu 2016 年 2 月 10 日
編集済み: Raymond Chiu 2016 年 2 月 10 日
Built and attached example described in this link: http://www.mathworks.com/help/instrument/building-simulink-models-to-send-and-receive-data.html
Error Messages:
Error using serial/fopen (line 72) Open failed: Port: COM1 is not available. Available ports: COM9, COM15. Use INSTRFIND to determine if other instrument objects are connected to the requested device. Error using serial/fopen (line 72) Open failed: Port: COM1 is not available. Available ports: COM9, COM15. Use INSTRFIND to determine if other instrument objects are connected to the requested device. Error using serial/fprintf (line 144) Unexpected error: OBJ must be connected to the hardware with FOPEN..
Observations:
  • same errors with attempt to perform exercise with COM2
  • block settings only allow COM1-COM4, not COM9, COM15
  • device manager show COM8, COM9 COM15 in use
Questions
  • Why is COM1 unavailable? COM2?
  • How to make COM1 'available'?
Diagnostic questions are good: actionable suggestions are appreciated. Examples are preferred. *Thank you*

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