National Instruments 321645c-01 用户手册

Chapter 2

Function Reference — WFM_Group_Setup

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NI-DAQ FRM for PC Compatibles

Assigns one or more analog output channels to a waveform generation group. A call to 

WFM_Group_Setup

 is only required for the AT-AO-6/10. By default, both analog output 

channels for the MIO devices and the Lab-PC+ are in group 1.

numChans indicates the number of analog output channels specified in the array chanVect. 
A 0 clears the channel assignments for group.

Range:

0 through 2 for most devices.
0 through 6 for AT-AO-6.
0 through 10 for AT-AO-10.
1 for DAQArb 5411 devices.

chanVect is your array of channel numbers indicating which analog output channels are in a 
group.
Channel number range:

0 or 1 for most devices.
0 through 5 for AT-AO-6.
0 through 9 for AT-AO-10.
0 for DAQArb 5411 devices.

group is the group number.

Range:

1 for most devices.
1 or 2 for AT-AO-6/10.

i16

assigned by configuration utility

i16

number of analog output channels

[i16]

channel numbers

i16

group number