Built-in serial ports or serial ports made by other hardware manufacturers will not work with the Is Port Connected property. Please see the documentation for your driver version and Serial device to verify if this feature is supported. ![]() ![]() There are four main reasons of why a VISA property will throw this error:Ī) The Property is not supported by the serial bus being used.Įxample A.1: The Is Port Connected VISA property is only supported with serial drivers developed by NI and documented to support this feature with the corresponding NI hardware.
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