National Instruments 1141, 1142, 1143, SCXI - page 54

Chapter 5 Using the SCXI-1141/1142/1143 Module
SCXI-1141/1142/1143 User Manual 5-6 ni.com
Table 5-3. NI-DAQmx RTD Measurement Properties
Property Short Name Description
Analog Input»Temperature»
RTD»Type
AI.RTD.Type Specifies the type of RTD
connected to the channel.
Analog Input»Temperature»
RTD»R0
AI.RTD.R0 Specifies the resistance in ohms of
the sensor at 0 °C.
Analog Input»Temperature»
RTD»Custom»A, B, C
AI.RTD.A
AI.RTD.B
AI.RTD.C
Specifies the A, B, or C constant of
the Callendar-Van Dusen equation
when using a custom RTD type.
Analog Input»General Properties»
Signal Conditioning»Resistance
Configuration
AI.Resistance.Cfg Specifies the resistance
configuration for the channel, such
as 2-wire, 3-wire, or 4-wire.
Table 5-4. NI-DAQmx Thermistor Measurement Properties
Property Short Name Description
Analog Input»Temperature»
Thermistor»R1
AI.Thrmistr.R1 Specifies the resistance in ohms of
the sensor at 0 °C.
Analog Input»Temperature»
Thermistor»Custom»A, B, C
AI.Thrmistr.A
AI.Thrmistr.B
AI.Thrmistr.C
Specifies the A, B, or C constant
oft he Steinhart-Hart thermistor
equation, which NI-DAQmx uses to
scale thermistors.
Table 5-5. NI-DAQmx Current Measurement Properties
Property Short Name Description
Analog Input»General Properties»
Signal Conditioning»Current
Shunt Resistors»Location
AI.CurrentShunt.Loc Specifies whether the
shunt resistance location is
internal or external.
Analog Input»General Properties»
Signal Conditioning»Current
Shunt Resistor»Value
AI.CurrentShunt.Resistance Specifies the resistance, in
ohms, of the external shunt
resistance.