NI NIAPS-4100

Triple-Output Programmable DC Power Supply
NI PXI-4110 NEW!
• 3 independent DC power supplies
• 0 to 6 VDC, 1 A, nonisolated
• 0 to +20 VDC, 1 A, isolated
• 0 to -20 VDC, 1 A, isolated
• 16-bit voltage setpoint and current limit
• 16-bit voltage/current
readback measurements
• 20 mA and 1 A current modes
• 2 power source options
• Internal (PXI backplane) – 9 W output
• Auxiliary – full 46 W output
• Isolated channels can be combined
for 0 to +40 VDC operation
Operating Systems
• Windows Vista/XP/2000
Recommended Software
•
•
•
•
•
LabVIEW
LabVIEW Real-Time Module
LabWindows™/CVI
Measurement Studio
LabVIEW SignalExpress
Other Compatible Software
• Microsoft Visual Basic
• C/C++
Driver Software (included)
• NI-DCPower
Overview
Internal/External Supply Options
The National Instruments PXI-4110 is a programmable, triple-output
precision DC power supply in a single-slot, 3U PXI module. The
NI PXI-4110 has two isolated channels, one from 0 to +20 V and the
other from 0 to -20 V, and a single nonisolated 0 to 6 V supply, all
capable of sourcing up to 1 A per channel. The PXI-4110 has 16-bit
resolution for programming the voltage setpoint and current limit and
for using the voltage and current readback measurement functionality.
The versatile supply rails and high accuracy make the PXI-4110 an
excellent general-purpose, single-quadrant power supply for design
validation and manufacturing test applications.
You can power the PXI-4110 either internally from the PXI backplane or
externally through the NI APS-4100, a front-panel-connected auxiliary
DC supply. Using internal power reduces the number of connections
required on the front panel but also limits the available output power
because of per-slot PXI power restrictions. When internally powered,
the nonisolated, 0 to 6 V channel can be operated at its full 1 A current
range, but the isolated channels are limited to 100 mA. When externally
powered, all channels can be operated at full power of 1 A per channel
for a total maximum output power of 46 W.
Power Supply with Precision
Source Capability
The PXI-4110 has the ability to source both voltage and current from
each of its three outputs. As a voltage source, it can be programmed
in 120 µV steps on the +6 V channel and 400 µV steps on each of the
20 V channels. As a current source, it can be programmed in 20 µA steps
on each channel in the 1 A current range. Additionally, you can set each
of the 20 V channels to a 20 mA current range for 400 nA programming
resolution. You can use this impressive level of current resolution in
traditional power supply applications or in many applications that
typically require a separate precision source measure unit.
Linear Supply with Switching Preregulation
The PXI-4110 uses a combination of switching and linear regulation to
provide excellent output power and accuracy in the 3U PXI module. On
each channel, input power (coming from either the PXI backplane or the
APS-4100) is regulated to within a certain percentage of the desired
output power. This preregulation stage is governed by an intelligent PID
algorithm implemented on board the module, ensuring the amount of
power passed to the second (linear) stage is at the most efficient level,
given the desired output.
After additional filtering, you can use traditional linear regulation
techniques and amplification to further regulate the signal and source the
final voltage or current. Because the output is linearly regulated, it has
very quick load response and high precision – even at levels as low as 0 V.
Also, because the linear regulation occurs on the preregulated signal,
the power dissipation is relatively small and easily cooled in a PXI slot.
Triple-Output Programmable DC Power Supply
Preregulation
Control
Transformer
Rectifier and Filter
Power
Amplifier
Current Sense
(20 mA/1 A)
Load
Linear
Regulation
(Isolated Channels Only)
Current
Feedback
Voltage
Feedback
Internal
Power
Auxiliary Power
(Isolated
Channels Only)
+
Power Switch
–
Architecture of Single Isolated Channel on the PXI-4110
Extensive Protection Features
The PXI-4110 operates with only nominal temperature increases
internally due to the intelligent PID control of the output devices. If an
overtemperature condition occurs in the PXI chassis due to fan failure
or intake blockage, the output channels are shut down and a warning is
issued. This type of condition requires user software intervention to reset,
thus preventing the module from damage at excessive temperatures.
Software
NI-DCPower, an IVI-compliant instrument driver, offers complete
programmatic control of the PXI-4110. You can use an available test
panel to quickly troubleshoot or debug power supply operation and take
advantage of the DCPower Express VI for an intuitive, configurationbased method of programming in the National Instruments LabVIEW
graphical development environment.
In addition to the standard voltage and current limiting functionality of
the PXI-4110, several other features are included to protect the supply
and the load. Each output is protected against a reverse-polarity voltage
application as well as excessive voltages – up to 15 V above the
maximum channel voltage. Output fuses provide additional protection
to prevent catastrophic failure as a last line of defense.
The operating voltage range for the auxiliary power input is 11 to 15.5 V.
If voltages outside these limits are detected, the module shuts down
until an input voltage within range is applied. If an input in excess of 20 V
is applied, the input crowbar protection turns on, protecting the input
solid-state switching devices (and preregulator power supply) from
overvoltage damage.
Ordering Information
NI PXI-4110............................................................................779647-10
Includes NI-DCPower and the DCPower Test Panel.
NI APS-4100 ..........................................................................779671-01
NI PXI-4110, NI APS-4110 Bundle ........................................779647-11
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For complete product specifications, pricing, and accessory information,
call 800 813 3693 (U.S.) or go to ni.com/modularinstruments.
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2
Triple-Output Programmable DC Power Supply
Voltage Output Speed8
Specifications
Specifications subject to change without notice. For the most current and
complete specifcations, visit ni.com/modularinstruments.
Supply Characteristics
Number of channels............................ 3
8Current limit set to 1 A for auxiliary power or 100 mA for internal power. For 20 mA range,
all voltage output speeds are <80 ms.
9Rise time is from 10 to 90% of programmed voltage change at maximum current.
10Fall time is from 90 to 10% of programmed voltage change at maximum current.
DC Specifications
DC Current (Power)
Auxiliary Power
Internal Power
Channel DC Voltage Isolation1 20 mA Range 1 A Range 20 mA Range 1 A Range
0
0 to +6 V
N/A
N/A
1 A (6 W)
N/A
1 A (6 W)
1
0 to +20 V 60 VDC, CAT I
20 mA
1 A (20 W)
20 mA
100 mA (2 W)2
2
0 to -20 V 60 VDC, CAT I
20 mA
1 A (20 W)
20 mA
100 mA (2 W)2
1Channels
1 and 2 are isolated from ground but not from each other.
2Combined total power for channels 1 and 2 using internal power cannot exceed 3 W.
Voltage Programming Accuracy/Resolution
Channels
0
1
2
Range (V)
+6
+20
-20
Resolution (mV)
0.12
0.40
0.40
Accuracy ±(% of output + offset)
1-Year 13 to 33 °C
Tempco/°C 0 to 55 °C
0.05 + 4 mV
0.005 + 0.3 mV
0.05 + 10 mV
0.005 + 1 mV
0.05 + 10 mV
0.005 + 1 mV
Tempco = temperature coefficient
Current Programming Accuracy/Resolution3
Channels
0
1 and 2
Resolution
0.02 mA
0.40 µA
0.02 mA
Range4
1A
20 mA
1A
Accuracy ±(% of output + offset)
1-Year 13 to 33 °C
Tempco/°C 0 to 55 °C
0.15 + 4 mA
0.02 + 0.2 mA
0.15 + 60 µA
0.01 + 3 µA
0.15 + 4 mA
0.02 + 0.2 mA
Tempco = temperature coefficient
3Applies for current settings greater than 2% of range.
4Minimum programmable current limit is 2% of range.
Range (V)
+6
+20
-20
Resolution (mV)
0.06
0.20
0.20
Accuracy ±(% of output + offset)
1-Year 13 to 33 °C
Tempco/°C 0 to 55 °C
0.05 + 4 mV
0.005 + 0.2 mV
0.05 + 5 mV
0.005 + 0.5 mV
0.05 + 5 mV
0.005 + 0.5 mV
Tempco = temperature coefficient
Current Readback Accuracy/Resolution5
Channels
0
1 and 2
Range
1A
20 mA
1A
Resolution
0.01 mA
0.20 µA
0.01 mA
Accuracy ±(% of output + offset)
1-Year 13 to 33 °C
Tempco/°C 0 to 55 °C
0.15 + 4 mA
0.02 + 0.2 mA
0.15 + 35 µA
0.01 + 3 µA
0.15 + 4 mA
0.02 + 0.2 mA
Tempco = temperature coefficient
5Applies for current outputs up to 500 mA.
6From
RMS Normal-Mode
<1.5 mV
<1.0 mV
Line Regulation11
±(% of output + offset)
Channels
0
1 and 2
11Per
Voltage
N/A
0.01 + 1 mV
Current
N/A
0.01 + 0.02% of range
Load Regulation
±(% of range selected)
Voltage (per A Current (per V
of output load) of output load)
0.42
0.02
0.1
0.007 (0.003 for
20 mA range)
volt change in auxiliary input.
General Specifications
Sampling rate
Default ............................................
Maximum........................................
Warm-up .............................................
I/O connectors
Supply channels..............................
External power................................
Dimensions..........................................
300 S/s (10 samples averaged)
3000 S/s
15 minutes
6-pos COMBICON (3.81 mm)
2-pos COMBICON (3.5 mm)
13.1 by 21.6 cm (5.1 by 8.5 in.)
Single PXI slot, 3U
Auxiliary power (optional)................... 11 to 15.5 VDC, 5 A max
Operating temperature .......................
Storage temperature...........................
Relative humidity ................................
Pollution degree..................................
Approved altitude ..............................
0 to 55 °C
-20 to 70 °C
5 to 85% noncondensing
2
up to 2000 m
Safety
This product is designed to meet the requirements of the following
standards of safety for electrical equipment for measurement, control,
and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1, CSA 61010-1
For UL and other safety certifications, refer to the product label, or visit
ni.com/certification, search by model number or product line, and click
the appropriate link in the Certification column.
Electromagnetic Compatibility
Ripple and Noise
Channels
0
1 and 2
Line and Load Regulation
Environment
Voltage Readback Accuracy/Resolution
Channels
0
1
2
Auxiliary Power
Internal Power
Rise Time9
Fall Time10
Rise Time9
Fall Time10
Channels Full Load No Load Full Load No Load Full Load No Load Full Load No Load
0
<1 ms
<1 ms
<1 ms <25 ms
Same as auxiliary power
1 and 2
<1 ms
<1 ms
<2 ms <56 ms <20 ms <10 ms <15 ms <56 ms
Voltage6
RMS Normal-Mode Current 7
(20 mA into 500 Ω load)
<8 µA
<8 µA (<3 µA for 20 mA range)
• CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A
• EN 55011 Emissions; Group 1, Class A
• EN 61326 EMC requirements; Minimum Immunity
For EMC compliance, operate this device according to product documentation.
20 Hz to 20 MHz. 7Current noise bandwidth is limited to 10 kHz for 1 A range and 400 Hz for 20 mA range.
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Triple-Output Programmable DC Power Supply
CE Compliance
This product meets the essential requirements of applicable European
Directives, as amended for CE marking, as follows:
• 2006/95/EC; Low-Voltage Directive (safety)
• 2004/108/EC; Electromagnetic Compatibility Directive (EMC)
Refer to the Declaration of Conformity (DoC) for this product for any
additional regulatory compliance information. To obtain the DoC for this
product, visit ni.com/certification, search by model number or product
line, and click the appropriate link in the Certification column.
Waste Electrical and Electronic Equipment (WEEE)
EU Customers: At the end of their life cycle, all products must be
sent to a WEEE recycling center. For more information about WEEE
recycling centers and National Instruments WEEE initiatives, visit
ni.com/environment/weee.htm.
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 not only
to the environment but also to NI customers.
For additional environmental information, refer to the NI and the
Environment Web page at ni.com/environment. This page contains
the environmental regulations and directives with which NI complies,
as well as any other environmental information not included in
this document.
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your needs around the globe and through
the application life cycle – from planning
and development through deployment
and ongoing maintenance. We offer
services and service levels to meet
customer requirements in research,
design, validation, and manufacturing.
Visit ni.com/services.
Training and Certification
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Professional Services
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from start-up assistance to
turnkey system integration.
Visit ni.com/alliance.
OEM Support
We offer design-in consulting and product integration assistance if you
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ni.com • 800 813 3693
Local Sales and Technical Support
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We also offer service programs that provide automatic upgrades to
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Hardware Services
NI Factory Installation Services
NI Factory Installation Services (FIS) is the fastest and easiest way to
use your PXI or PXI/SCXI combination systems right out of the box.
Trained NI technicians install the software and hardware and configure
the system to your specifications. NI extends the standard warranty by
one year on hardware components (controllers, chassis, modules)
purchased with FIS. To use FIS, simply configure your system online
with ni.com/pxiadvisor.
Calibration Services
NI recognizes the need to maintain properly calibrated devices for
high-accuracy measurements. We provide manual calibration
procedures, services to recalibrate your products, and automated
calibration software specifically designed for use by metrology
laboratories. Visit ni.com/calibration.
Repair and Extended Warranty
NI provides complete repair services for our products. Express repair
and advance replacement services are also available. We offer
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*342576E-01*
342576E-01
2007-9223-101-D-E
National Instruments • [email protected]
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