![]() ![]() ![]() The transfer mechanism controls input flow by unasserting the RTS signal when the receive buffer is nearly full, and it controls output flow by suspending the transmission when the CTS signal is unasserted. Run the VISA Configure Serial Port VI first if you are setting the size of a serial port buffer. Wire data to the VISA resource name input to determine the polymorphic instance to use or manually select the instance. Palette Object Description VISA Bytes at Serial Port Returns the number of bytes in the input buffer of the specified serial port. Use the Serial VIs and functions to access the VISA VIs and functions that communicate with devices connected to a serial port.Īdditional functions are also available on the VISA palette. ![]()
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