NI USB-9472

Support and Services

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Detailed Specifications

The following specifications are typical for the range 0 to 60 °C unless otherwise noted. All voltages are relative to COM unless otherwise noted.

Output Characteristics
Number of channels		8 digital output channels
Output type		Sourcing
Supply voltage range (V_sup)		6 to 30 V
Output voltage		V_sup – (I₀ · R₀)
Output impedance (R₀)		0.13 Ω max; 0.07 Ω typ
Continuous output current (I₀)		0.75 A max per channel
I/O protection
Voltage		30 V max
Reversed voltage		None
Trip currents
Minimum possible trip current		6 A
Minimum guaranteed trip current		13 A
Trip time		10 μs at 13 A

Current	Channel State	Module State
0 to 1 A	Channel does not trip	Module is not damaged
1 to 6 A	Channel does not trip	Module may be damaged
6 to 13 A	Channel may trip	Module may be damaged
>13 A	Channel trips	Module is not damaged

Output delay time (full load)		100 μs max
Power Requirements
Current consumption from USB		500 mA, max
Suspend mode		2.5 mA, max
Bus Interface
USB specification		USB 2.0 Hi-Speed
Physical Characteristics
Dimensions
With combicon		14.0 cm × 8.8 cm × 2.5 cm (5.52 in. × 3.47 in. × 1.00 in.)
With D-SUB		12.6 cm × 8.8 cm × 2.5 cm (4.95 in. × 3.47 in. × 1.00 in.)
Screw terminal wiring		12 to 24 AWG copper conductor wire with 10 mm (0.39 in.) of insulation stripped from the end
Torque for screw terminals		0.5–0.6 N · m (4.4–5.3 lb · in.)
Weight
With screw terminal		Approx. 250 g (8.8 oz)
With D-SUB		Approx. 245 g (8.6 oz)
Safety
If you need to clean the module, wipe it with a dry towel.
Safety Voltages
NI USB-9472 with Screw Terminal
Channel-to-COM		30 V max
Isolation
Channel-to-channel		No isolation between channels
Channel-to-earth ground
Withstand		2,300 V_rms, 5 seconds max
Continuous		250 V_rms, Measurement Category II
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 (e.g., 115 V for U.S. or 230 V for Europe). Examples of Measurement Category II are measurements performed on household appliances, portable tools, and similar products.
NI USB-9472 with D-SUB
Channel-to-COM		30 V max
Isolation
Channel-to-channel		No isolation between channels
Channel-to-earth ground
Withstand		1,000 V_rms, 5 seconds max
Continuous		60 VDC, Measurement Category I
Measurement Category I is for measurements performed on circuits not directly connected to the electrical distribution system referred to as MAINS ¹ voltage. This category is for measurements of voltages from specially protected secondary circuits. Such voltage measurements include signal levels, special equipment, limited-energy parts of equipment, circuits powered by regulated low-voltage sources, and electronics.
Safety Standards
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 Note For UL and other safety certifications, refer to the product label or the Online Product Certification section.
Hazardous Locations
This device is not certified for use in hazardous locations.
Environmental
The NI USB-9472 is intended for indoor use only.
Operating temperature (IEC 60068-2-1, IEC 60068-2-2)		0 to 60 °C
Storage temperature (IEC 60068-2-1, IEC 60068-2-2)		– 40 to 85 °C
Operating humidity (IEC 60068-2-56)		10 to 90% RH, noncondensing
Storage humidity (IEC 60068-2-56)		5 to 95% RH, noncondensing
Maximum altitude		2,000 m
Pollution Degree (IEC 60664)		2
Electromagnetic Compatibility
This product is designed to meet the requirements of the following standards of EMC for electrical equipment for measurement, control, and laboratory use: EN 61326 EMC requirements; Minimum Immunity EN 55011 Emissions; Group 1, Class A CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A Note For EMC compliance, operate this device with double-shielded cables.
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) Note For the standards applied to assess the EMC of this product, refer to the Online Product Certification section.
Online Product Certification
Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for this product, visit ni.com/certification, search by module number or product line, and click the appropriate link in the Certification column.
Environmental Management
National Instruments 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 other environmental information not included in this document.
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.

¹ MAINS is defined as the (hazardous live) electrical supply system to which equipment is designed to be connected for the purpose of powering the equipment. Suitably rated measuring circuits may be connected to the MAINS for measuring purposes.

Pinouts/Front Panel Connections

NI USB-9472 Pin Assignments

NI USB-9472 Terminal Assignments