Additional Information
I2C communication requires the device to tri-state the DIO lines on the fly. The 9401 is unable to do this without external hardware. NI thus recommends the 9402 for I2C communication.
This library is installed using VIPM. If you are using LabVIEW 2010 or later, ensure to disable Mass Compile before installing the driver. Otherwise, a broken VI will appear in the library VIs.
Complete the following steps to disable Mass Compile:
- Open VI Package Manager.
- Select Tools and then Options.
- Remove the checkmark from the Mass Compile VIs After Package Installation checkbox.
Note: Support for this product is provided on the NI Developer Forums at
forums.ni.com.