National Instruments 1143 Computer Hardware User Manual


 
Chapter 5 Using the SCXI-1141/1142/1143 Module
© National Instruments Corporation 5-5 SCXI-1141/1142/1143 User Manual
Analog Input»General
Properties»Advanced»Gain
and Offset»Gain Value
AI.Gain Specifies a gain factor to apply
to the signal conditioning
portion of the channel. The
SCXI-1141/1142/1143 supports
1, 2, 5, 10, 20, 50, or 100.
Analog Input»General
Properties»Advanced»High
Accuracy Settings»Auto Zero
Mode
AI.AutoZeroMode Specifies when to measure
ground. NI-DAQmx subtracts
the measured ground voltage
from every sample.
Analog Input»General
Properties»Advanced»Input
Configuration»Coupling
AI.Coupling Specifies the input coupling
of the channel. The
SCXI-1141/1142/1143 supports
DC and GND coupling.
Analog Input»General
Properties»Filter»Analog
Lowpass»Cutoff Frequency
AI. LowPass.CutoffFreq Specifies the lowpass cutoff
frequency
Table 5-2. NI-DAQmx Thermocouple Measurement Properties
Property Short Name Description
Analog Input»Temperature»
Thermocouple»Type
AI.Thrmcpl.Type Specifies the type of thermocouple
connected to the channel.
Analog Input»Temperature»
Thermocouple»ScaleType
AI.Thrmcpl.ScaleType Specifies the method or equation form
that the thermocouple scale uses.
Table 5-1. NI-DAQmx Voltage Measurement Properties (Continued)
Property Short Name Description