PXIe-4322 Specifications

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Last Modified: May 23, 2019

This document lists specifications for the PXIe-4322 16-Bit, 8-Channel, 250 kS/s Ch-Ch Isolated PXI Analog Output module. These specifications are typical for the range of 0 °C to 55 °C unless otherwise stated. The system must be allowed to warm up for 15 minutes to achieve the rated accuracy. All specifications are subject to change without notice. Visit ni.com/manuals for the most current specifications and product documentation.

Note

To maintain forced-air cooling for PXI/PXI Express devices, make sure the PXI/PCI chassis fan speed is set to HIGH, the foam fan filters are removed if present, and the empty slots contain slot blockers and filler panels. For more information about cooling, refer to the Maintain Forced-Air Cooling Note to Users.

Analog Characteristics

Number of channels

8 analog output channels

DAC resolution

16 bits

Type of DAC

R-2R

Monotonicity

16 bits

DNL

±1 LSB max

INL (best fit)

±4 LSBs max

Power-on output state^[1]
Voltage mode	0 V
Current mode	0 mA

Note

You can program the power-on output states. Refer to your software documentation for information about programming the power-on output states using NI-DAQmx with LabVIEW or other National Instruments application development environments (ADEs).

Power-off output state

High impedance

Protection
Overvoltage	±120 VDC
Short circuit	Indefinitely

Update rate
Maximum	250 kS/s per channel
Minimum	No minimum

Timing accuracy

50 ppm of sample rate

Timing resolution

10 ns

Data transfers

DMA (scatter-gather), programmed I/O

Output FIFO size

8,191 samples shared among channels used

AO waveform modes

Nonperiodic waveform
Periodic waveform regeneration mode from onboard FIFO
Periodic waveform regeneration from host buffer including dynamic update

Voltage Mode

Output voltage range^[2]
Nominal	±16 V
Minimum	±16.57 V
Typical	±16.70 V
Maximum	±16.83 V

Current drive

±20 mA per channel max

Output impedance

25 mΩ

Noise (rms)
10 Hz to 1 kHz bandwidth	30 μV_rms
10 Hz to 300 kHz bandwidth	250 μV_rms
10 Hz to 20 MHz bandwidth	500 μV_rms

Slew rate

±10 V/μs

Crosstalk
Channel-to-channel @ 10 kHz	-100 dB
Common-mode voltage @ 60 Hz	-120 dB

Settling time

1000 pF load, to 1 LSB
20 V step	20 μs
1 V step	12 μs
0.1 V step	10 μs

500 Ω \|\|100 pF, to 1 LSB
20 V step	20 μs

Capacitive drive

4500 pF

Accuracy^[3]

Measurement Conditions	Percent of Output (Gain Error)	Percent of Range^* (Offset Error)
Calibrated, max (0 °C to 55 °C)	0.076%	0.018%
Calibrated, max (0 °C to 40 °C)	0.054%	0.014%
Calibrated, max (23 °C ±5 °C)	0.014%	0.007%
Calibrated, typ (23 °C ±5 °C)	0.010%	0.003%
^* Range equals 16 V.

Stability

Gain drift	7 ppm/°C
Offset drift	25 μV/°C

Absolute Voltage Output Accuracy Equation

AbsoluteVoltageAccuracy = Output * (GainError) + Range * (OffsetError)

Absolute Voltage Output Accuracy Example

For a 10 V voltage output, the absolute output accuracy for an external temperature range of 18 °C to 28 °C is as follows:

GainError = 0.014%
OffsetError = 0.007%
AbsoluteAccuracy = 10 V * (GainError) + 16 V * (OffsetError) = 2.52 mV

Current Mode

Output current range^[4]
Nominal	±20 mA
Minimum	±20.6 mA
Typical	±20.9 mA
Maximum	±21.1 mA

Compliance voltage

±16 V per channel max

Output impedance

100 MΩ

Noise (rms)
10 Hz to 1 kHz bandwidth	50 nA
10 Hz to 300 kHz bandwidth	600 nA

Slew rate

±20 mA/μs

Crosstalk
Channel-to-channel @ 1 kHz	-100 dB
Common-mode voltage @ 60 Hz	50 nA/V

Settling time

100 Ω load
Full-scale step to 2 LSB	20 μs

800 Ω load
Full-scale step to 2 LSB	25 μs
2 mA step to 1 LSB	15 μs

Inductive drive

10 μH

Accuracy^[5]

Measurement Conditions	Percent of Output (Gain Error)	Percent of Range^* (Offset Error)
Calibrated, max (0 °C to 55 °C)	0.12%	0.05%
Calibrated, max (0 °C to 40 °C)	0.09%	0.035%
Calibrated, max (23 °C ±5 °C)	0.033%	0.019%
Calibrated, typ (23 °C ±5 °C)	0.028%	0.004%
^* Range equals 20 mA.

Stability

Gain drift	±15 ppm/°C
Offset drift	±75 nA/°C

Absolute Current Output Accuracy Equation

AbsoluteCurrentAccuracy = Output * (GainError) + Range * (OffsetError)

Absolute Current Output Accuracy Example

For a 10 mA current output, the absolute output accuracy for an external temperature range of 18 °C to 28 °C is as follows:

GainError = 0.033%
OffsetError = 0.019%
AbsoluteAccuracy = 10 mA * (GainError) + 20 mA* (OffsetError) = 7.1 μA

Synchronization

Reference clock source

PXIe_DSTAR<A.. B>, PXI_STAR, PXIe_Clk100, PXI_TRIG<0..7>

Digital Triggers

Source	PXI_TRIG<0..7>, PXI_STAR, PXIe_DSTAR<A..B> PFI<0..1>
Purpose	Start Trigger, Pause Trigger
Polarity	Software-selectable
Debounce filter settings	Disable, 90 ns, 5.12 μs, 2.56 ms, custom interval

Clocking

Source	Onboard Clock, PXI_TRIG<0..7>, PXI_STAR, PXIe_DSTAR<A..B>, PXIe_Clk100 (RefClk only)
Destination	Sample Clock, Sample Clock Timebase, Reference Clock
Polarity	Software-selectable (except Reference Clock)
Debounce filter settings (Sample Clock only)	Disable, 90 ns, 5.12 μs, 2.56 ms, custom interval

Reference clock locking frequencies

Reference Signal	Locking Input Frequency (MHz)
Reference Signal	10	20	100
PXIe_DSTAR<A.. B>	✓	✓	✓
PXI_STAR	✓	✓	—
PXIe_Clk100	—	—	✓
PXI_TRIG<0..7>	✓	✓	—

Note

NI does not recommend locking to non-selected frequencies.

Output Timing Signals

Source	Start Trigger, Pause Trigger, Sample Clock, various derived timebases and clocks
Destination	PXI_TRIG<0..7> PXIe_DSTARC
Polarity	Software-selectable

Bus Interface

Form factor	x1 PXI Express peripheral module, specification rev. 1.0 compliant
Slot compatibility	x1 and x4 PXI Express or PXI Express hybrid slots
DMA channels	1 analog input

PXIe-4322 modules may be installed in PXI Express slots or PXI Express hybrid slots.

Calibration

Recommended warm-up time	15 minutes
Calibration interval	1 year

Power Requirements

+3.3 V	800 mA
+12 V	700 mA

Physical Requirements

Dimensions	Standard 3U PXIe, 16 cm × 10 cm (6.3 in × 3.9 in)
Weight	161 g (5.7 oz)
I/O connector	96-pin male DIN 41612/IEC 60603-2 connector

Note

Clean the hardware with a soft, nonmetallic brush. Make sure that the hardware is completely dry and free from contaminants before returning it to service.

Environmental Specifications

Maximum altitude	2,000 m (800 mbar), at 25 ºC ambient temperature
Pollution degree	2

Indoor use only.

Operating Environment

Ambient temperature range	0 °C to 55 °C (Tested in accordance with IEC-60068-2-1 and IEC-60068-2-2. Meets MIL-PRF-28800F Class 3 low temperature limit and MIL-PRF-28800F Class 2 high temperature limit.)
Relative humidity range	10% to 90%, noncondensing (Tested in accordance with IEC-60068-2-56.)

Storage Environment

Ambient temperature range	-40 °C to 71 °C (Tested in accordance with IEC-60068-2-1 and IEC-60068-2-2. Meets MIL-PRF-28800F Class 3 limits.)
Relative humidity range	5% to 95% noncondensing (Tested in accordance with IEC-60068-2-56.)

Shock and Vibration

Operating shock

30 g peak, half-sine, 11 ms pulse (Tested in accordance with IEC-60068-2-27. Meets MIL-PRF-28800F Class 2 limits.)

Random vibration
Operating	5 Hz to 500 Hz, 0.3 g_rms
Non-operating	5 Hz to 500 Hz, 2.4 g_rms (Tested in accordance with IEC-60068-2-64. Nonoperating test profile exceeds the requirements of MIL-PRF-28800F, Class 3.)

Safety Voltage

Connect only voltages that are within the following limits:
Between any two terminals of an isolated channel	±120 VDC

Isolation

Channel to channel
Continuous	300 V_rms, Measurement Category II (Basic)
Withstand	1,500 V_rms, verified by a 5 s dielectric withstand test

Channel to earth ground
Continuous	300 V_rms, Measurement Category II
Withstand	2,300 V_rms, verified by a 5 s dielectric withstand test

Measurement Category II is for measurements performed on circuits directly connected to the electrical distribution system. This category refers to local-level electrical distribution, such as that provided by a standard wall outlet, for example, 115 V for U.S. or 230 V for Europe.

Caution

Do not use for measurements within Measurement Categories III or IV.

Attention

Ne pas utiliser pour effectuer des mesures dans les catégories de mesure III ou IV.

Caution

The protection provided by the PXIe-4322 can be impaired if it is used in a manner not described in this document.

Attention

La protection fournie par le PXIe-4322 peut être altérée s'il est utilisé d'une autre façon que celle décrite dans ce document.

Caution

When hazardous voltages (>30 V_rms/42.4 V_pk/60 VDC) are present on any terminal, safety low-voltage (≤ 30 V_rms /42.4 V_pk /60 VDC) cannot be connected to any other terminal.

Attention

En présence de tensions dangereuses (> 30 Veff/42,4 Vpic/60 VCC) sur l'une des bornes, une basse tension de sécurité (≤ 30 Veff/42,4 Vpic/60 VCC) ne peut être raccordée à aucune autre borne.

Caution

Do not supply hazardous voltages (>30 V_rms/42.4 V_pk/60 VDC) to the terminal block without the terminal block being connected to the PXIe-4322.

Attention

Ne pas appliquer de tensions dangereuses (> 30 Veff/42,4 Vpic/60 VCC) au bornier sans que ce dernier ne soit connecté au PXIe-4322.

Safety Compliance Standards

This product is designed to meet the requirements of the following electrical equipment safety standards for measurement, control, and laboratory use:

IEC 61010-1, EN 61010-1
UL 61010-1, CSA C22.2 No. 61010-1

Note

For UL and other safety certifications, refer to the product label or the Product Certifications and Declarations section.

Electromagnetic Compatibility

This product meets the requirements of the following EMC standards for electrical equipment for measurement, control, and laboratory use:

EN 61326-1 (IEC 61326-1): Class A emissions; Basic immunity
EN 55011 (CISPR 11): Group 1, Class A emissions
EN 55022 (CISPR 22): Class A emissions
EN 55024 (CISPR 24): Immunity
AS/NZS CISPR 11: Group 1, Class A emissions
AS/NZS CISPR 22: Class A emissions
FCC 47 CFR Part 15B: Class A emissions
ICES-001: Class A emissions

Note

In the United States (per FCC 47 CFR), Class A equipment is intended for use in commercial, light-industrial, and heavy-industrial locations. In Europe, Canada, Australia and New Zealand (per CISPR 11) Class A equipment is intended for use only in heavy-industrial locations.

Note

Group 1 equipment (per CISPR 11) is any industrial, scientific, or medical equipment that does not intentionally generate radio frequency energy for the treatment of material or inspection/analysis purposes.

Note

For EMC declarations and certifications, and additional information, refer to the Product Certifications and Declarations section.

CE Compliance

This product meets the essential requirements of applicable European Directives, as follows:

2014/35/EU; Low-Voltage Directive (safety)
2014/30/EU; Electromagnetic Compatibility Directive (EMC)

Product Certifications and Declarations

Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for NI products, visit ni.com/product-certifications, search by model number, and click the appropriate link.

Environmental Management

NI is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers.

For additional environmental information, refer to the Commitment to the Environment web page at ni.com/environment. This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document.

Waste Electrical and Electronic Equipment (WEEE)

EU Customers

At the end of the product life cycle, all NI products must be disposed of according to local laws and regulations. For more information about how to recycle NI products in your region, visit ni.com/environment/weee.

电子信息产品污染控制管理办法（中国RoHS）

中国客户

National Instruments符合中国电子信息产品中限制使用某些有害物质指令(RoHS)。关于National Instruments中国RoHS合规性信息，请登录 ni.com/environment/rohs_china。(For information about China RoHS compliance, go to ni.com/environment/rohs_china.)

Worldwide Support and Services

The NI website is your complete resource for technical support. At ni.com/support, you have access to everything from troubleshooting and application development self-help resources to email and phone assistance from NI Application Engineers.

Visit ni.com/services for information about the services NI offers.

Visit ni.com/register to register your NI product. Product registration facilitates technical support and ensures that you receive important information updates from NI.

NI corporate headquarters is located at 11500 North Mopac Expressway, Austin, Texas, 78759-3504. NI also has offices located around the world. For support in the United States, create your service request at ni.com/support or dial 1 866 ASK MYNI (275 6964). For support outside the United States, visit the Worldwide Offices section of ni.com/niglobal to access the branch office websites, which provide up-to-date contact information.

¹ When the output stage powers on, a current glitch occurs for 1 ms peaking at 5 μA. When the output stage powers off, a current glitch occurs for 3 ms peaking at 5 μA.
² Refer to the Increasing Output Voltage Range in Voltage Mode section in the NI PXIe-4322 User Manual for information about how to increase the nominal output voltage range by connecting multiple voltage channels in series.
³ Accuracies listed are warranted for the conditions described in the table for up to one year from the module external calibration.
⁴ Refer to the Increasing Output Current Range in Current Mode section of the NI PXIe-4322 User Manual for information about how to increase the nominal output current range by connecting current channels in parallel.
⁵ Accuracies listed are warranted for the conditions described in the table for up to one year from the module external calibration.

Table Of Contents

Analog Characteristics