Use a driver in different model will raise to an unknown behavior, actually, driver will check the *IDN? result from instrument and judge if the current instrument is supported and reject to serve for the unsupport models.
Here are some steps you could refer to for your case:
1. If the driver currently you downloaded are LabVIEW PnP type, it would be easy to find and modify it for your model. (driver location: <National Instrument>\LabVIEW xxxx\instr.lib\...)
2. Please send an mail to firstname.lastname@example.org for the new driver request.