Справочник Пользователя для National Instruments Welding System 321645c-01
Chapter 2
Function Reference — AI_Setup
NI-DAQ FRM for PC Compatibles
2-16
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National Instruments Corporation
Using This Function
AI_Setup
addresses the specified analog input channel and changes the input gain to the
specified gain setting.
AI_Setup
, in conjunction with
AI_Check
and
AI_Clear
, is used for
externally timed A/D conversions. If your application calls
AI_Read
with channel and gain
parameters different from those used in the last
AI_Setup
call, you must call
AI_Setup
again for
AI_Check
to return data from the channel you want at the selected gain.
Note
This function cannot be used if you have an SC-2040 connected to your DAQ
device.
device.