Product category:
Electrical systems
News Release from: National Instruments | Subject: PXI-4110 programmable DC power supply
Edited by the Manufacturingtalk Editorial
Team on 20 March 2006
Programmable power supply improves
accuracy
Programmable power supply exceeds the accuracy of other PXI power supplies with high-resolution setpoints and readback measurement capability while reducing test times.
Engineers can now source voltage or current with high accuracy from a single PXI slot with the new National Instruments PXI-4110 programmable DC power supply The new power supply exceeds the accuracy of other PXI power supplies with high-resolution setpoints and readback measurement capability while reducing test times with programming speeds less than 1ms
This article was originally published on Manufacturingtalk on 8 Aug 2008 at 8.00am (UK)
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The NI PXI-4110 is a programmable, triple-output precision DC power supply in a single-slot, 3U PXI module.
It has two isolated channels, one from 0 to +20V and the other from 0 to -20V, and a single non-isolated 0 to 6V supply - all capable of outputting up to 1A per channel.
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Engineers can use the module's 16-bit resolution setpoints, selectable 20mA current range and readback measurements to program 0.12mV changes in voltage and 0.4 microA changes in current to meet the most rigid test specification requirements.
With less than 1ms programming speeds, engineers can perform fast voltage/current sweeps across a device, reducing total test time compared to traditional GPIB or serial controlled power supplies by more than 10 times.
The module offers 9W of output power when operating from the PXI backplane supply, and up to 46W of power (maximum of 20W per channel) when connected to an auxiliary power supply through the module's front panel.
With the 20mA current range and its built-in measurement of both terminal voltage and current, this power supply is the first PXI module to source and measure current with a resolution better than 1 microA.
Engineers can take advantage of this functionality not only in power supply applications, but also in many applications that typically require a separate precision source-measure unit.
This additional functionality can reduce the cost of test systems in applications such as I-V curve tracing, where small current changes are required to fully characterise a device.
The new power supply works with all NI modular instruments as well as the NI LabVIEW graphical development environment, the LabWindows/CVI ANSI C development environment and Microsoft Visual Basic/C++.
When combined with digital multimeters, digitisers, arbitrary waveform generators, high-speed digital devices, switches and other modular instruments, the new power supply can help form a complete functional test system in a single PXI chassis.
The module also includes a test panel and Express VI for simple troubleshooting and fast application development.
* About NI Modular Instruments - NI offers essential technologies for test, which combine high-performance hardware, flexible software and innovative timing and synchronisation technology for test and design applications.
NI modular instruments offer accurate, high-throughput measurements from DC to 2.7GHz.
The product family includes: * Digitisers/PC-based oscilloscopes (up to 24 bits, up to 250MS/s).
* Signal generators (up to 16 bits, 200MS/s).
* Digital waveform generator/analysers (up to 400Mb/s).
* RF vector signal generators and analysers (up to 2.7GHz).
* Digital multimeters (up to 7.1/2 digits, LCR).
* Programmable power supplies (up to 20W, 16-bit).
* Dynamic signal analysers (up to 24 bits, 500kS/s).
* Switching (multiplexers, matrices, general purpose and RF).
* About PXI - PCI eXtensions for Instrumentation (PXI) is an open specification governed by the PXI Systems Alliance (www.pxisa.org) that defines a rugged, CompactPCI-based platform optimised for test, measurement and control.
It is supported by more than 70 member companies and more than 1,150 products are available.
PXI products are compatible with the CompactPCI and CompactPCI Express industrial computer standards and offer additional features such as environmental specifications, standardised software and built-in timing and synchronisation.
* About National Instruments - for 30 years, National Instruments has been a technology pioneer and leader in virtual instrumentation - a revolutionary concept that has changed the way engineers and scientists in industry, government and academia approach measurement and automation.
Leveraging PCs and commercial technologies, virtual instrumentation increases productivity and lowers costs for test, control and design applications through easy-to-integrate software, such as NI LabVIEW, and modular measurement and control hardware for PXI, PCI, PCI Express, USB and Ethernet.
Headquartered in Austin, Texas, USA, NI has more than 3,800 employees and direct operations in nearly 40 countries.
For the past seven years, 'Fortune' magazine has named NI one of the 100 best companies to work for in America. Request a free brochure from National Instruments ...
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