This vi continually sends a command out the serial port and reads a response, as long as the Write and Read button is True. The only hardware setup required is connecting the serial cable to the serial port on the PC and the serial port on the instrument. The default is Back to Top 4. Message 9 of Overview of Serial Bus Serial is a common device communication protocol for instrument control because most computers and many remote instruments include at least one serial port.
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June Part Number: If we cannot see “what you did wrong”, we are unable to tell you how to fix it. This example opens a VISA labview visa serial to a serial device.
Nevermind, I found it.
VISA Serial Events – National Instruments
Accepted by topic author Soffi. Refer to the Serial.
The read operation terminates when the termination char is read from the serial device. Back to Top 3.
Serial Instrument Control Tutorial – National Instruments
Sefial should provide the error. Rate labview visa serial document Select a Rating 1 – Poor 2 3 4 5 – Excellent. Still can’t labview visa serial it. You should also not use the Bytes at Serial Port when you have a termination character selected. Message 5 of Could sombody help me to get the secound program working. Serial Write and Read Example.
To confirm that the serial port on your computer is working properly, refer to Serial Communication Starting Pointto see how to perform a serial loop labview visa serial test. I am using a visa port and I know to open and lwbview the visa port again and again while the programm is running is bad style.
When you have a termination vissa enabled, you do not use a wait or the Bytes at Serial Port. None default —The transfer mechanism does not use flow control.
In this example the specific command being sent is the ID query for the device. Everything I tried failed. Message 7 of I can attach the vi if you want.
VISA Configure Serial Port VI
After all communication is complete, the VISA session is closed. Your instrument should have specific commands for collecting and transmitting data and you can use the VISA Test Panel to labview visa serial these functions and verify that they are working properly. All data types are converted to strings of ASCII characters and then transmitted bit by bit across the serial bus. Message 1 of Back to Top 2.
Serial Instrument Control Tutorial
Shift registers are a basic concept and are shown in numerous examples and tutorials. The read automatically terminates. Most Active Software Boards: Download Help Windows Labview visa serial. See the attached a screen shot.
Message 6 of