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NI PXI-5422 Calibration Procedure 46 ni.com
6. Call niFgen_SetAttributeViInt32 to set the analog path value
(niFgen property node: Output Attributes»Analog Path) using
the following parameters:
• vi: The session handle returned from
niFgen_InitExtCal
• channelName: "0"
• attributeID: NIFGEN_ATTR_ANALOG_PATH
• value: The Analog Path value for the current iteration from
Table 9
7. Call
niFgen_SetAttributeViReal64 to set the post-amplifier
attenuation (niFgen property node: Calibration»Post-Amplifier
Attenuation) using the following parameters:
• vi: The session handle returned from
niFgen_InitExtCal
• channelName: "0"
• attributeID: NIFGEN_ATTR_POST_AMPLIFIER_ATTENUATION
• value: The Post-Amplifier Attenuation value for the current
iteration from Table 9
Table 9. Attributes and Values for the Main Path Post-Amplifier Gain and Offset
Iteration Analog Path
Post-Amp
Attenuation
Current Configuration
1 NIFGEN_VAL_FIXED_LOW_GAIN_
ANALOG_PATH
0 NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
LOW_GAIN_0DB
2 NIFGEN_VAL_FIXED_LOW_GAIN_
ANALOG_PATH
12 NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
LOW_GAIN_12DB
3 NIFGEN_VAL_FIXED_LOW_GAIN_
ANALOG_PATH
24 NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
LOW_GAIN_24DB
4 NIFGEN_VAL_FIXED_LOW_GAIN_
ANALOG_PATH
36 NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
LOW_GAIN_36DB
5 NIFGEN_VAL_FIXED_HIGH_GAIN_
ANALOG_PATH
0 NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
HIGH_GAIN_0DB
6 NIFGEN_VAL_FIXED_HIGH_GAIN_
ANALOG_PATH
12 NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
HIGH_GAIN_12DB
7 NIFGEN_VAL_FIXED_HIGH_GAIN_
ANALOG_PATH
24 NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
HIGH_GAIN_24DB
8 NIFGEN_VAL_FIXED_HIGH_GAIN_
ANALOG_PATH
36 NIFGEN_VAL_CAL_CONFIG_MAIN_PATH_
HIGH_GAIN_36DB