©
National Instruments Corporation
35
NI PXI-4070 Calibration Procedure
11. Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 15.
12. Output 20 mA on the calibrator with the current output set to
AUX
.
13. Call
niDMM_ConfigureMeasurement
with the following
parameters:
•
Function
=
NIDMM_VAL_DC_CURRENT
•
Range
=
0.02
•
Resolution
=
20e–9
14. Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 15.
15. Output –20 mA on the calibrator with the current output set to
AUX
.
16. Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 15.
17. Output 200 mA on the calibrator with the current output set to
AUX
.
18. Call
niDMM_ConfigureMeasurement
with the following
parameters:
•
Function
=
NIDMM_VAL_DC_CURRENT
•
Range
=
0.2
•
Resolution
=
200e–9
19. Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 15.
20. Output –200 mA on the calibrator with the current output set to
AUX
.
21. Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 15.
22. Output 1 A on the calibrator with the current output set to
AUX
.
23. Call
niDMM_ConfigureMeasurement
with the following
parameters:
•
Function
=
NIDMM_VAL_DC_CURRENT
•
Range
=
1
•
Resolution
=
1e–6
24. Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 15.
25. Output –1 A on the calibrator with the current output set to
AUX
.
26. Call
niDMM_Read
. Verify that this measurement falls between the
limits listed in Table 15.