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NI 9144 User Guide and Specifications
Table 3 lists common module vendor extensions.
Table 3.
Module Vendor Extensions
Vendor
Extension
Index
Sub
Type
R/W
Description
NI 9144
0x3001
0
ARR:U32
—
Timing overrides: provides
additional control over the timing
of the NI 9144.
—
1
—
R/W
Minimum free-run cycle time in
nanoseconds. Set to 0 to operate
at the minimum cycle. Set to
1,000,000 for a 1 mS cycle
(1 kHz).
—
2
—
R/W
Disables multiple scans. Setting
the field to 1 disables
multiple-scan ability. Even when
a module has enough time during
the cycle to acquire more than
one set of data, only one
acquisition occurs. This is useful
when analyzing the module
acquisition timing.
0x5FFF
0
U32
R/W
Slot address override. To address
CoE requests to a given module’s
object dictionary, enter the
module’s slot number here. Write
a 0 here to cancel the slot address
override.
