PXI-5422 National Instruments

PXI-5422 National Instruments Power Board

Product  Description：

National Instruments (NI) Power Boards, often integrated within PXI chassis, CompactRIO controller slots, or custom industrial test systems, are high-performance power management and distribution assemblies. These boards are specifically engineered to deliver clean, regulated, and isolated electrical energy to sensitive data acquisition hardware, instrumentation modules, and embedded controllers. By minimizing electrical noise and managing thermal dissipation, they ensure the precision and accuracy of high-speed measurements.

Product Parameters

The technical characteristics of National Instruments Power Boards focus on voltage stability, efficiency, and strict instrumentation-grade power delivery:

• Input Voltage Range: Supports standard industrial DC inputs, typically 9V DC to 30V DC for compact systems, or interfaces directly with AC-DC backend supplies in larger chassis.

• Output Voltage Rails: Synchronously delivers multiple highly regulated DC outputs, such as 3.3V, 5V, 12V, and -12V, required to power internal logic and analog circuitry.

• Ripple and Noise: Exceptionally low ripple voltage, often maintained under 50 millivolts peak-to-peak, to prevent power supply noise from degrading analog measurement accuracy.

• Conversion Efficiency: Utilizes high-efficiency switching topologies paired with low-dropout (LDO) regulators, achieving overall power efficiency ratings between 88 percent and 94 percent.

• Dielectric Isolation: Built-in galvanic isolation, often rated up to 1000V AC or higher, between the main power input and the sensitive measurement backplane.

• Power Density: High-current handling capacity within a minimal structural footprint, often optimized for slot-constrained automated test equipment (ATE) racks.

Product Advantages

NI Power Boards are highly regarded in automated testing and control due to their precision engineering and rugged design:

• Instrumentation-Grade Power Cleanliness: Unlike standard industrial power supplies, these boards prioritize minimal electromagnetic interference (EMI), ensuring that nearby analog-to-digital converters achieve their full rated bit resolution.

• Smart Power Sequencing: Automatically manages the power-up and power-down sequence of different voltage rails, protecting sensitive FPGAs and processors from latch-up conditions or damage during startup.

• Hardware-Level Protection Suite: Features integrated, fast-acting overvoltage protection (OVP), overcurrent protection (OCP), and overtemperature shutdown mechanisms to protect expensive downstream instrumentation modules.

• Environmental Ruggedness: Built with industrial-grade components capable of withstanding extreme vibration and operating reliably in temperatures ranging from -40°C to 70°C, making them ideal for field deployments.

• Intelligent Diagnostic Feedback: Integrates directly with NI system management software, allowing real-time monitoring of rail voltages, current draw, and board temperature for predictive maintenance.

Product Applications

These power boards serve as the foundational energy baseline for high-precision testing, measurement, and control applications:

• Automated Test Equipment (ATE): Providing stable power to multi-slot test chassis used in semiconductor validation, aerospace functional testing, and consumer electronics production lines.

• Embedded Control and Monitoring: Supplying reliable energy to CompactRIO or custom embedded systems deployed in rugged environments like wind turbines, heavy machinery, and power grids.

• Laboratory Instrumentation: Powering high-resolution modular instruments, such as digitizers, signal generators, and digital multimeters, where power fluctuations would ruin test data.

• Automotive Research and Testing: Supporting in-vehicle data acquisition systems used for hardware-in-the-loop (HIL) testing and crash-test data logging.

• Defense and Aerospace Systems: Delivering the specialized, mission-critical power required for field-deployed telemetry systems and radar signal processing racks.

Important Precautions

To maintain the safety, precision, and longevity of the power board and attached system components, the following instructions must be implemented:

• Strict Grounding Guidelines: Maintain a low-impedance connection between the power board's ground terminal and the main chassis earth ground. Improper grounding will introduce ground loops, which introduce massive noise into measurement channels.

• Capacitor Discharge Hazard: High-capacity onboard filters can retain significant electrical energy after power is removed. Wait at least three minutes after turning off the system before handling the board or changing wiring connections.

• Load Balancing Verification: Ensure that the total current drawn across all output rails does not exceed the maximum aggregate wattage specification of the board. Overloading a single rail can trigger a system-wide shutdown.

• Adequate Airflow and Cooling: These boards generate localized heat during heavy power conversion. Ensure that the chassis fan filters are clean and that air vents are completely unobstructed to allow proper forced-convection cooling.

• Avoid Hot-Plugging: Never insert or remove the power board or any adjacent instrumentation modules while the main power source is switched on. Doing so can cause transient voltage spikes that may destroy sensitive CMOS components.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

Please make an inquiry for more models：

National Instruments PXIE-7976R

National Instruments PXIE-8135 

National Instruments PXIE-8840

National Instruments SCB-68A  

National Instruments SCB-100A

National Instruments SCXI-1120D 

National Instruments SCXI-1162 

National Instruments SCXI-1162HV

National Instruments SCXI-1302 

National Instruments SCXI-1326

National Instruments SCXI-1327 

National Instruments SHC68-68-EPM 

National Instruments PXI-5421

National Instruments PXI-2529

National Instruments PXI-8331

National Instruments SCXI-1600

National Instruments PXI-7841R

National Instruments NI9250

National Instruments PCI-6238

National Instruments SH68-68-D1

National Instruments pxie-6358

National Instruments cb-68lpr

National Instruments pci-6034e

National Instruments 9982

National Instruments USB-6210

National Instruments SH68-68-D1

National Instruments pxi-2533

National Instruments pxi-7344

National Instruments pci-6229

National Instruments PXIe-7820R

National Instruments 9252

National Instruments 187965G-01L

National Instruments 9220

National Instruments 9403

National Instruments 9862

National Instruments PXI-6030E

National Instruments 9233

National Instruments PCI-6221

National Instruments 9421

National Instruments SCXI-1163

National Instruments 9146 782445-01

National Instruments 9237 780264-01

National Instruments 9205 785184-01

National Instruments 9514

National Instruments 192061-02

National Instruments CRIO-9030

National Instruments cRIO-9012

National Instruments PXIE-4163

National Instruments 9264

National Instruments 9235

National Instruments PXI-2569

National Instruments PCI-6602

National Instruments OPT22 PCI-AC51

National Instruments PXIE-4300

National Instruments pxie-1078

National Instruments pxie-6361

National Instruments pxi-2586

National Instruments PXI-4072

National Instruments pxle-2524

National Instruments PCI-5421

National Instruments PCI-6033E

National Instruments pxie-2524

National Instruments SH160DIN-4XDB50F

National Instruments 160pin DIN

National Instruments pxi-6704

National Instruments PXI-7953R

National Instruments PCLE-6321

National Instruments 9923

National Instruments PXIE-8880

National Instruments PCI-8430/8

National Instruments PCI-6225

National Instruments PXIE-7846

National Instruments USB-6218

National Instruments 9201

National Instruments PXLE-4302

National Instruments PCIE-7841R

National Instruments PXIE-6378

National Instruments PXIE-4302

National Instruments PXIE-4339

National Instruments PXI-6229

National Instruments USB-6363

National Instruments CDAQ-9178

National Instruments 9211

National Instruments SCXI-1325

National Instruments 192809B-01

National Instruments PXLE-1078

National Instruments PXLE-8821

National Instruments PXLE-4139

National Instruments PCI-6503

National Instruments CDAQ-9188

National Instruments SHC68-C68-RDIO

National Instruments PCI-1200

National Instruments PXI-6221

National Instruments PCle-6323

National Instruments PXI-4065

National Instruments PXLE-4339

National Instruments PXIE-4310

National Instruments PCI-4065

National Instruments TBX-50

National Instruments USB-5132

National Instruments PXIE-5644R

National Instruments 5540

National Instruments PXIE-2790

National Instruments PXIE-1075

National Instruments PCI-6703

National Instruments GPIB-RS232

JUSTWELL PTE. LTD. sells new and discontinued products, and purchases such specialty products through independent channels. JUSTWELL PTE. LTD. is not an authorized distributor, distributor, or representative of the featured products on this website. All product names/images, trademarks, brands, and logos used on this website are the property of their respective owners. Product descriptions, descriptions, or sales with these name images, trademarks, brands, and logos are for identification purposes only and do not imply any association or authorization with any rights holders.

This article is from the official website of JUSTWELL PTE. LTD. If reprinted, please attach this link: https://justwellltd.com .com

JUSTWELL PTE. LTD

Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.