National Instruments NI PXI-5422 Adjusting the Main Path Pre-Amplifier Offset

8. 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: 0

9. Call niFgen_SetAttributeViReal64 to set the output impedance

(niFgen property node: Basic Operation»Output Impedance) using

the following parameters:

•vi: The session handle returned from niFgen_InitExtCal

•channelName: "0"

•attributeID: NIFGEN_ATTR_OUTPUT_IMPEDANCE

•value: 50

10. Call niFgen_SetAttributeViBoolean to enable the analog output

(niFgen property node: Basic Operation»Output Enabled) using

the following parameters:

•vi: The session handle returned from niFgen_InitExtCal

•channelName: "0"

•attributeID: NIFGEN_ATTR_OUTPUT_ENABLED

•value: VI_TRUE

11. Call niFgen_Commit (niFgen Commit VI) to commit the attribute

values to the device using the following parameter:

•vi: The session handle returned from niFgen_InitExtCal

Adjusting the Main Path Pre-Amplifier Offset

1. 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: NIFGEN_VAL_FIXED_LOW_GAIN_ANALOG_PATH