Racal Instruments 3156B, Руководство пользователя

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3156B User Manual
Racal Instrument © 2005 Programming Reference 5-69
Ri3156b_set(query)_dc_signal_percent
Description
Programs only the percent level of the standard dc wave. This function does NOT select the dc wave as the
active waveform. Note: The frequency, amplitude, and offset may be varied by using the following functions:
ri3156B_set_frequency()
ri3156B_set_amplitude()
ri3156B_set_offset()
You may set all dc wave parameters at once, by using the ri3156B_apply_dc_wave() function, or by using the
individual functions.
Channel Dependency: Independent
C Syntax
ViStatus ri3156b_set_dc_signal_percent (ViSession instrHandle, ViInt16 percentAmplitude)
ViStatus ri3156b_query_dc_signal_percent (ViSession instrHandle, ViInt16* percentAmplitude)
Parameters
Name
Variable
Type
Description
instrHandle ViSession The Instrument Handle is used to identify the unique
session or communication channel between the driver
and the instrument. If more than one instrument of the
model type is used, this will be used to differentiate
between them. Note that the initialize function may be
used to associate multiple instrument handles with a
single instrument.
percentAmplitude
ViReal64
Selects the percent level for the dc function.
Valid range: -100 to 100
Default: 100
Return Values
Displays the return status of the function call. If the function was successful, it will return a status of
VI_SUCCESS, otherwise it will return an error code. Passing the error code into the function
"ri3156B_error_message()" will return a string describing the error.