Table Of Contents

Adjust Calibration ADC Calibration (G Dataflow)

Last Modified: April 28, 2017

Calculates calibration constants pertaining to the gain and offset of the onboard calibration ADC.

During external calibration, you can generate voltages and measure them both externally and with the calibration ADC. Using the measured voltages, this node calculates the appropriate calibration constants and, when the calibration session is committed, stores them in the onboard EEPROM.

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channel name

Name of the waveform generator channel that the node uses.

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configuration

Configuration of the waveform generator for this stage of calibration.

Using the default value of this input is recommended.

Name Value Description
NIFGEN_VAL_CAL_CONFIG_GLOBAL -1 The waveform generator was configured to use the main output path with the low gain amplifier.
NIFGEN_VAL_CAL_CONFIG_DIRECT_PATH 10 The waveform generator was configured to use the direct output path.
NIFGEN_VAL_CAL_CONFIG_MAIN_PATH 11 The waveform generator was configured to use the main output path.

Default: NIFGEN_VAL_CAL_CONFIG_GLOBAL

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session in

Handle that identifies your instrument session previously allocated by Initialize External Calibration.

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error in

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Default: No error

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voltages measured externally

Array of analog output voltages measured with an external instrument.

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voltages measured with cal ADC

Array of analog output voltages measured with the onboard calibration ADC.

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session out

Reference to your instrument session to wire to the next node.

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error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Where This Node Can Run:

Desktop OS: Windows

FPGA: Not supported


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