NI 9144 User Guide and Specifications
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© National Instruments
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37
NI 9211
The vendor configuration extensions for the NI 9211 are listed in Table 24.
NI 9211 Scan List
The scan list is a simple list of channels to convert, in order. The NI 9211 has six channels total
that can be measured:
•
<0..3>: four input channels (always measured in a ±80 mV range)
•
4: one cold junction channel (always measured in a ±2.5 V range)
•
5: one auto zero channel (always measured in a ±80 mV range)
Table 25 contains the default scan list.
NI 9211 Calibration Data
Calibration data is set up by the driver during initialization, and the calibration conversion is
performed on the module ADC itself.
Table 24.
NI 9211 Vendor Configuration Extensions
Index
Sub
Type
R/W
Description
0x2001
0
ARR:U32
—
Scan List = 7
1
R
Channels to Convert = <1..6>,
default = 6
2..7
R/W
Channel Number
Table 25.
NI 9211 Scan List Format
Index
Sub
Type
Value
0x2001
0
ARR:U32
7
1
6
2
0
3
1
...
...
7
5
