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National Instruments Corporation
9
NI 5402/5406 Calibration Procedure
3.
Close the instrument driver session, destroy the instrument driver
session and all of its properties, and release any memory resources
NI-FGEN uses by calling the niFgen Close VI.
Verification
This section provides instructions for verifying the NI 5402/5406
specifications. Refer to Table 1 for recommendations on choosing
an instrument to use for each test.
Note
Always self-calibrate the NI 5402/5406 after warm-up and before beginning a
verification procedure.
You can verify the following NI 5402/5406 specifications:
•
Oscillator frequency accuracy
•
Sine wave flatness accuracy
•
Main path gain and offset accuracy
•
Square wave gain and offset accuracy
Note
If any of these tests fail immediately after you perform an external adjustment, verify
that you have met the required test conditions (refer to the
section) before
you return the NI 5402/5406 to NI for repair.
LabVIEW Block Diagram
C/C++ Function Call
Call
niFgen_close
using the following
parameter:
vi
: The session handle
returned from
niFgen_init
.
