36
|
ni.com
|
NI 9144 User Guide and Specifications
NI 920
8
Conversion Speed Control
The NI 9208 converts at two pre-defined rates, as controlled by the speed control field.
Note
The conversion rate assumes that 16 channels are in the scan list.
NI 920
8
Scan List
The scan list is a simple list of channels to convert, in order. The NI 9208 has sixteen total
channels that can be measured.
NI 920
8
Calibration Data
Calibration data is set up by driver during initialization, and the calibration conversion is
performed on the module ADC itself. Thus, you do not need to use the calibration tables.
Table 22.
NI 920
8
Conversion Speed Control
Speed Control
Meaning
Conversion Rate
0
High-Resolution
62.5 ms/channel (1 s total)
1
High-Speed
1.92 ms/channel (30.72 ms total)
Table 23.
NI 920
8
Scan List Format
Index
Sub
Type
Value
0x2001
0
ARR:U32
17
1
16
2
0
3
1
...
...
17
15
