National Instruments 1143 Benutzerhandbuch
Appendix C
Common Questions
C-2
ni.com
Can I configure the SCXI-1141/1142/1143 for use in parallel mode?
You can configure the SCXI-1141/1142/1143 for parallel mode using
either NI-DAQmx or Traditional NI-DAQ (Legacy). For more information,
refer to Chapter 4,
either NI-DAQmx or Traditional NI-DAQ (Legacy). For more information,
refer to Chapter 4,
.
How can I get the most accurate measurements with the
SCXI-1141/1142/1143?
SCXI-1141/1142/1143?
You can use the AutoZero functionality of the SCXI-1141/1142/1143 once
at the beginning of a measurement to compensate for any offset and achieve
the best accuracy. For more information about the AutoZero mode, refer to
Chapter 3,
at the beginning of a measurement to compensate for any offset and achieve
the best accuracy. For more information about the AutoZero mode, refer to
Chapter 3,
.
How do I cascade the SCXI-1141/1142/1143 with another module?
For more information about cascading the SCXI-1141/1142/1143, refer to
ni.com/info
and use info code
exy7sh
.
Which digital lines are unavailable on the E/M Series DAQ device if it
is cabled to an SCXI-1141/1142/1143 module?
is cabled to an SCXI-1141/1142/1143 module?
Table C-1 shows the digital lines used by the SCXI-1141/1142/1143 for
communication and scanning. These lines are unavailable for
general-purpose digital I/O if the SCXI-1141/1142/1143 is connected to
the E/M Series DAQ device.
communication and scanning. These lines are unavailable for
general-purpose digital I/O if the SCXI-1141/1142/1143 is connected to
the E/M Series DAQ device.
Table C-1. Digital SIgnals on the SCXI-1141/1142/1143
E/M Series
DAQ Device
Signal Name
NI-DAQmx
SCXI Signal
Name
Traditional
NI-DAQ
(Legacy) SCXI
Signal Name
50-Pin
Connector
68-Pin
Connector
Direction
1
DIO0
P0.0
SER DAT IN
25
52
Output
DIO4
P0.4
SER DAT OUT
26
19
Input
DIO1
P0.1
DAQ D*/A
27
17
Output
DIO2
P0.2
SLOT 0 SEL*
29
49
Output
SCAN CLK
AI HOLD
COMP,
AI HOLD
COMP,
AI HOLD
SCAN CLK
36
46
Output
EXT STROBE*
EXT STROBE*
SER CLK
37
45
Input
1
With respect to the E/M Series DAQ device.