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NI 5412 Calibration Procedure
4. Call
niFgen_SetAttributeViReal64
to set the offset (niFgen property node:
Arbitrary Waveform Output»Arbitrary Waveform Offset
) using the following
parameters:
•
vi
: The session handle returned from
niFgen_init
•
channelName
:
"0"
•
attributeID
:
NIFGEN_ATTR_ARB_OFFSET
•
value
: The
Ideal Positive Offset
value listed in Table 5 for the current iteration.
10
0.850000
0.425000
-0.425000
±0.001988
±0.004113
11
0.600000
0.300000
-0.300000
±0.001550
±0.003050
12
0.415000
0.207500
-0.207500
±0.001226
±0.002264
13
0.300000
0.150000
-0.150000
±0.001025
±0.001775
14
0.205000
0.102500
-0.102500
±0.000859
±0.001371
15
0.150000
0.075000
-0.075000
±0.000763
±0.001138
16
0.105000
0.052500
-0.052500
±0.000684
±0.000946
17
0.075000
0.037500
-0.037500
±0.000631
±0.000819
18
0.055000
0.027500
-0.027500
±0.000596
±0.000734
19
0.037500
0.018750
-0.018750
±0.000566
±0.000659
20
0.026000
0.013000
-0.013000
±0.000546
±0.000611
21
0.018500
0.009250
-0.009250
±0.000532
±0.000579
22
0.013000
0.006500
-0.006500
±0.000523
±0.000555
23
0.009000
0.004500
-0.004500
±0.000516
±0.000538
24
0.006500
0.003250
-0.003250
±0.000511
±0.000528
Error Positive Offset Value
= (
Measured Positive Offset Value
) - (
Ideal Positive Offset Value
)
Error Negative Offset Value
= (
Measured Negative Offset Value
) - (
Ideal Negative Offset Value
)
Table 5.
Values for Verifying the Offset of the Main Analog Path (Continued)
Iteration
Gain
Ideal
Positive
Offset
(Volts)
Ideal
Negative
Offset
(Volts)
Calibration
Test Limit
(Volts)
Published
Specification
(Volts)