Last Modified: July 16, 2019
Internal Channels for the NI 9210 Device
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Internal Channel Name
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Description
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_aignd_vs_aignd
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A referenced single-ended terminal with the positive and negative terminals both connected to the ground reference for analog input.
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_calref_vs_aignd
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A differential terminal with the positive terminal connected to the internal calibration reference voltage and the negative terminal connected to the ground reference for analog input.
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_cjtemp
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A referenced single-ended terminal with the positive terminal connected to the onboard temperature sensor and the negative terminal connected to the ground reference for analog input. This channel is used for cold-junction compensation.
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Internal Channels for the NI 9211 Device
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Internal Channel Name
|
Description
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_aignd_vs_aignd
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A differential terminal with the positive and negative terminals both connected to the ground reference for analog input.
|
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_calref_vs_aignd
|
A differential terminal with the positive terminal connected to the internal calibration reference voltage and the negative terminal connected to the ground reference for analog input.
|
|
_cjtemp
|
A differential terminal with the positive terminal connected to the onboard temperature sensor and the negative terminal connected to the ground reference for analog input. This channel is used for cold-junction compensation.
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Internal Channels for the NI 9212 Device
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Internal Channel Name
|
Description
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_cjtemp0
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A differential terminal with the positive terminal connected to the onboard temperature sensor and the negative terminal connected to the ground reference for analog input. This channel is used for cold-junction compensation.
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_cjtemp1
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This channel is used for cold-junction compensation.
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Internal Channels for the NI 9213 Device
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Internal Channel Name
|
Description
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|
_aignd_vs_aignd
|
A differential terminal with the positive and negative terminals both connected to the ground reference for analog input.
|
|
_cjtemp
|
A differential terminal with the positive terminal connected to the onboard temperature sensor and the negative terminal connected to the ground reference for analog input. This channel is used for cold-junction compensation.
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Internal Channels for the NI 9214 Device
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Internal Channel Name
|
Description
|
|
_aignd_vs_aignd
|
A differential terminal with the positive and negative terminals both connected to the ground reference for analog input.
|
|
_cjtemp0
|
A differential terminal with the positive terminal connected to the onboard temperature sensor and the negative terminal connected to the ground reference for analog input. This channel is used for cold-junction compensation.
|
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_cjtemp1
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This channel is used for cold-junction compensation.
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_cjtemp2
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This channel is used for cold-junction compensation.
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Internal Channels for the NI 9205 and NI 9206 Devices
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Internal Channel Name
|
Description
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_aignd_vs_aignd
|
A differential terminal with the positive and negative terminals both connected to the ground reference for analog input.
|
|
_calref_vs_aignd
|
A differential terminal with the positive terminal connected to the internal calibration reference voltage and the negative terminal connected to the ground reference for analog input.
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_aignd_vs_aisense
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A differential terminal with the positive terminal connected to the ground reference for analog input and the negative terminal connected to physical channel AI SENSE.
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_calSrcHi_vs_aignd
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A differential terminal with the positive terminal connected to the calibration PWM and the negative terminal connected to the ground reference for analog input.
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_calref_vs_calSrcHi
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A differential terminal with the positive terminal connected to the internal calibration reference voltage and the negative terminal connected to the calibration PWM.
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_calSrcHi_vs_calSrcHi
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A differential terminal with the positive and negative terminals connected to the calibration PWM.
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_aignd_vs_calSrcHi
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A differential terminal with the positive terminal connected to the ground reference for analog input and the negative terminal connected to the calibration PWM..
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_calSrcMid_vs_aignd
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A differential terminal with the positive terminal connected to the calibration PWM and the negative terminal connected to the ground reference for analog input. _calSrcMid is the divided down version of _calSrcHi.
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_boardTempSensor_vs_aignd
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A differential terminal with the positive terminal connected to the onboard temperature sensor and the negative terminal connected to the ground reference for analog input.
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_ai0_vs_calSrcHi
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A differential terminal with the positive terminal connected to physical channel ai0 and the negative terminal connected to the calibration PWM.
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_ai8_vs_calSrcHi
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A differential terminal with the positive terminal connected to physical channel ai8 and the negative terminal connected to the calibration PWM.
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Internal Channels for the NI 9219 Device
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Internal Channel Name
|
Description
|
|
_cjtemp0
|
A differential terminal with the positive terminal connected to the onboard temperature sensor and the negative terminal connected to the ground reference for analog input. This channel is used for cold-junction compensation for analog input channel 0.
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_cjtemp1
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This channel is used for cold-junction compensation for analog input channel 1.
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_cjtemp2
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This channel is used for cold-junction compensation for analog input channel 2.
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_cjtemp3
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This channel is used for cold-junction compensation for analog input channel 3.
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Internal Channels for the CompactDAQ and CompactRIO Systems*
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Internal Channel Name
|
Description
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_ctr0
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This physical channel name does not refer to a terminal on the I/O connector but instead to a circuit within the device. You must set the
Input Terminal
or
Output Terminal
attributes/properties that are appropriate for the measurement/generation being performed.
|
|
_ctr1
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This physical channel name does not refer to a terminal on the I/O connector but instead to a circuit within the device. You must set the
Input Terminal
or
Output Terminal
attributes/properties that are appropriate for the measurement/generation being performed.
|
|
_ctr2
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This physical channel name does not refer to a terminal on the I/O connector but instead to a circuit within the device. You must set the
Input Terminal
or
Output Terminal
attributes/properties that are appropriate for the measurement/generation being performed.
|
|
_ctr3
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This physical channel name does not refer to a terminal on the I/O connector but instead to a circuit within the device. You must set the
Input Terminal
or
Output Terminal
attributes/properties that are appropriate for the measurement/generation being performed.
|
|
_freqout
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This physical channel name does not refer to a terminal on the I/O connector but instead to a circuit within the device. You must set the
Output Terminal
attribute/property that is appropriate for the generation being performed.
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* CompactDAQ chassis, CompactDAQ controller, CompactRIO controllers and CompactRIO Single-Board controllers:
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cDAQ-9132, 9133, 9134, 9135, 9136, 9137, 9171, 9174, 9178, 9179, 9181, 9184, 9185, 9188, 9188XT, 9189, and 9191.
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cRIO-9040, 9041, 9042, 9043, 9045, 9046, 9047, 9048, 9049, 9053, 9054, 9055, 9056, 9057, and 9058.
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sbRIO-9603, 9608, 9609, 9628, 9629, and 9638
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