© National Instruments Corporation 5 NI 446X Calibration Procedure
Password and User Information
For password-protected operations on most NI 446X devices, the default
password is
NI. On certain devices, however, the default password is NI\0.
The password is stored in the device EEPROM. You can change the
password using the following NI-DAQmx function.
Note Depending on which programming language you use, you can write the \ character
into a string several different ways. Refer to the standard of that language for information
about how to write the
\ character into a string.
You can write user-defined information into or read from the EEPROM
using the following NI-DAQmx functions.
NI-DAQmx Function Call LabVIEW Block Diagram
Call DAQmxChangeExtCalPassword
with the following parameters:
Device Name:
dev1
Password: NI or NI\0
New Password: myNewPassword
(maximum four characters)
NI-DAQmx Function Call
Call DAQmxSetCalUserDefinedInfo with the following parameters:
deviceName:
dev1
data: anyUserData
Call DAQmxGetCalUserDefinedInfoMaxSize with the following parameters:
deviceName:
dev1
data: uInt32PointerReturnValue