DAQmx Device Properties
The DAQmx Device properties return information about devices installed in your system.
| Property | Description |
|---|---|
| Active Device | Specifies the device from which to retrieve properties. Details |
| Device Is Simulated | Indicates if the device is a simulated device. Details |
| Identification:Product Category | Indicates the product category of the device. This category corresponds to the category displayed in MAX when creating NI-DAQmx simulated devices. Details |
| Identification:Product Type | Indicates the product name of the device. Details |
| Identification:Product Number | Indicates the unique hardware identification number for the device. Details |
| Identification:Device Serial Number | Indicates the serial number of the device. This value is zero if the device does not have a serial number. Details |
| Chassis:Module Device Names | Indicates an array containing the names of the modules in the chassis. Details |
| Analog Triggering Supported | Indicates if the device supports analog triggering. Details |
| Digital Triggering Supported | Indicates if the device supports digital triggering. Details |
| I/O Type:Analog Input:Physical Channels | Indicates an array containing the names of the analog input physical channels available on the device. Details |
| I/O Type:Analog Input:Timing:Maximum Single Channel Rate | Indicates the maximum rate for an analog input task if the task contains only a single channel from this device. Details |
| I/O Type:Analog Input:Timing:Maximum Multiple Channel Rate | Indicates the maximum rate for an analog input task if the task contains multiple channels from this device. For multiplexed devices, divide this rate by the number of channels to determine the maximum sampling rate. Details |
| I/O Type:Analog Input:Timing:Minimum Rate | Indicates the minimum rate for an analog input task on this device. NI-DAQmx returns a warning or error if you attempt to sample at a slower rate. Details |
| I/O Type:Analog Input:Timing:Simultaneous Sampling Supported | Indicates if the device supports simultaneous sampling. Details |
| I/O Type:Analog Input:Trigger:Trigger Usage | Indicates the triggers supported by this device for an analog input task. Details |
| I/O Type:Analog Input:Voltage:Ranges | Indicates pairs of input voltage ranges supported by this device. Each pair consists of the low value, followed by the high value. Details |
| I/O Type:Analog Input:Voltage:Internal Excitation:Discrete Values | Indicates the set of discrete internal voltage excitation values supported by this device. If the device supports ranges of internal excitation values, use AI.Voltage.IntExcit.RangeVals to determine supported excitation values. Details |
| I/O Type:Analog Input:Voltage:Internal Excitation:Range Values | Indicates pairs of internal voltage excitation ranges supported by this device. Each pair consists of the low value, followed by the high value. If the device supports a set of discrete internal excitation values, use AI.Voltage.IntExcit.DiscreteVals to determine the supported excitation values. Details |
| I/O Type:Analog Input:Current:Ranges | Indicates the pairs of current input ranges supported by this device. Each pair consists of the low value, followed by the high value. Details |
| I/O Type:Analog Input:Current:Internal Excitation:Discrete Values | Indicates the set of discrete internal current excitation values supported by this device. Details |
| I/O Type:Analog Input:Frequency:Ranges | Indicates the pairs of frequency input ranges supported by this device. Each pair consists of the low value, followed by the high value. Details |
| I/O Type:Analog Input:Gains | Indicates the input gain settings supported by this device. Details |
| I/O Type:Analog Input:Couplings | Indicates the coupling types supported by this device. Details |
| I/O Type:Analog Input:Filter:Analog Low Pass:Cutoff Frequency:Discrete Values | Indicates the set of discrete lowpass cutoff frequencies supported by this device. If the device supports ranges of lowpass cutoff frequencies, use AI.Lowpass.CutoffFreq.RangeVals to determine supported frequencies. Details |
| I/O Type:Analog Input:Filter:Analog Low Pass:Cutoff Frequency:Range Values | Indicates pairs of lowpass cutoff frequency ranges supported by this device. Each pair consists of the low value, followed by the high value. If the device supports a set of discrete lowpass cutoff frequencies, use AI.Lowpass.CutoffFreq.DiscreteVals to determine the supported frequencies. Details |
| I/O Type:Analog Output:Physical Channels | Indicates an array containing the names of the analog output physical channels available on the device. Details |
| I/O Type:Analog Output:Timing:Sample Clock Supported | Indicates if the device supports the sample clock timing type for analog output tasks. Details |
| I/O Type:Analog Output:Timing:Maximum Rate | Indicates the maximum analog output rate of the device. Details |
| I/O Type:Analog Output:Timing:Minimum Rate | Indicates the minimum analog output rate of the device. Details |
| I/O Type:Analog Output:Trigger:Trigger Usage | Indicates the triggers supported by this device for analog output tasks. Details |
| I/O Type:Analog Output:Voltage:Ranges | Indicates pairs of output voltage ranges supported by this device. Each pair consists of the low value, followed by the high value. Details |
| I/O Type:Analog Output:Current:Ranges | Indicates pairs of output current ranges supported by this device. Each pair consists of the low value, followed by the high value. Details |
| I/O Type:Analog Output:Gains | Indicates the output gain settings supported by this device. Details |
| I/O Type:Digital Input:Lines | Indicates an array containing the names of the digital input lines available on the device. Details |
| I/O Type:Digital Input:Ports | Indicates an array containing the names of the digital input ports available on the device. Details |
| I/O Type:Digital Input:Timing:Maximum Rate | Indicates the maximum digital input rate of the device. Details |
| I/O Type:Digital Input:Trigger:Trigger Usage | Indicates the triggers supported by this device for digital input tasks. Details |
| I/O Type:Digital Output:Lines | Indicates an array containing the names of the digital output lines available on the device. Details |
| I/O Type:Digital Output:Ports | Indicates an array containing the names of the digital output ports available on the device. Details |
| I/O Type:Digital Output:Timing:Maximum Rate | Indicates the maximum digital output rate of the device. Details |
| I/O Type:Digital Output:Trigger:Trigger Usage | Indicates the triggers supported by this device for digital output tasks. Details |
| I/O Type:Counter Input:Physical Channels | Indicates an array containing the names of the counter input physical channels available on the device. Details |
| I/O Type:Counter Input:Trigger:Trigger Usage | Indicates the triggers supported by this device for counter input tasks. Details |
| I/O Type:Counter Input:Timing:Sample Clock Supported | Indicates if the device supports the sample clock timing type for counter input tasks. Details |
| I/O Type:Counter Input:Maximum Size | Indicates in bits the size of the counters on the device. Details |
| I/O Type:Counter Input:Maximum Timebase | Indicates in hertz the maximum counter timebase frequency. Details |
| I/O Type:Counter Output:Physical Channels | Indicates an array containing the names of the counter output physical channels available on the device. Details |
| I/O Type:Counter Output:Trigger:Trigger Usage | Indicates the triggers supported by this device for counter output tasks. Details |
| I/O Type:Counter Output:Maximum Size | Indicates in bits the size of the counters on the device. Details |
| I/O Type:Counter Output:Maximum Timebase | Indicates in hertz the maximum counter timebase frequency. Details |
| Location:Bus Type | Indicates the bus type of the device. Details |
| Location:PCI:Bus Number | Indicates the PCI bus number of the device. Details |
| Location:PCI:Device Number | Indicates the PCI slot number of the device. Details |
| Location:PXI:Chassis Number | Indicates the PXI chassis number of the device, as identified in MAX. Details |
| Location:PXI:Slot Number | Indicates the PXI slot number of the device. Details |
| Location:CompactDAQ:Chassis Device Name | Indicates the name of the CompactDAQ chassis that contains this module. Details |
| Location:CompactDAQ:Slot Number | Indicates the slot number in which this module is located in the CompactDAQ chassis. Details |
| Bus:Number of DMA Channels | Indicates the number of DMA channels on the device. Details |
| Terminals | Indicates a list of all terminals on the device. Details |