Table 3. FD-11613/11614 Voltage Verification Test Limits for Positive and Negative Test
Points
ADC Timing
Mode
Range (mV)
Test Point
1-Year Limits (mV)
Minimum Maximum
Location
Value
(mV)
Lower
Limit
Upper
Limit
High
Resolution
-78.125
78.125
Negative FS
-70
-70.030
-69.970
Positive FS
70
69.970
70.030
Best 50 Hz
Rejection
-78.125
78.125
Negative FS
-70
-70.030
-69.970
Positive FS
70
69.970
70.030
Best 60 Hz
Rejection
-78.125
78.125
Negative FS
-70
-70.030
-69.970
Positive FS
70
69.970
70.030
High Speed
-78.125
78.125
Negative FS
-70
-70.039
-69.961
Positive FS
70
69.961
70.039
The test limits in this table are derived using the values listed in
.
4.
Set the calibrator to Operate mode (OPR).
5.
Acquire and average samples.
a.
Create and configure an AI voltage channel on the FieldDAQ device according to
the following table.
Table 4. FD-11613/11614 Voltage Channel Configuration
Physical Channel
Input Range (mV)
Units Terminal Configuration
Minimum Maximum
FD11613-Bank1/ai0:7 or
FD11614-Bank1/ai0:7
-78.125
78.125
Volts
Differential
b.
Configure the AI voltage channel timing according to the following table.
Table 5. FD-11613/11614 Voltage Channel Timing Configuration
ADC Timing Mode
Sample Mode
Samples to Read
Rate (S/s)
Timeout (s)
High Resolution
Finite
20
1.8
30
Best 50 Hz Rejection
Finite
80
7.1
30
Best 60 Hz Rejection
Finite
100
8.3
30
High Speed
Finite
1,000
85
30
c.
Start the task.
FD-11613/11614 Calibration Procedure
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© National Instruments
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5