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