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USER GUIDE AND SPECIFICATIONS
NI USB-9472
8-Channel, 24 V Logic, Sourcing Digital Output Device
Introduction
This user guide describes how to use the National Instruments
NI USB-9472 and lists the device specifications. In this user guide, the
NI USB-9472 with screw terminal and the NI USB-9472 with D-SUB are
referred to inclusively as the NI USB-9472.
The NI USB-9472 data acquisition device provides a USB interface for
eight channels of digital outputs with integrated signal conditioning. The
NI USB-9472 consists of two components: an NI 9472 module and an
NI USB-9162 carrier, as shown in Figure 1.
NI 9472
NI USB-9162
Figure 1. NI USB-9472 Components
NI USB-9472
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Table of Contents
Related Manuals for National Instruments USB-9472
Summary of Contents for National Instruments USB-9472
- Page 1 8-Channel, 24 V Logic, Sourcing Digital Output Device This user guide describes how to use the National Instruments NI USB-9472 and lists the device specifications. In this user guide, the NI USB-9472 with screw terminal and the NI USB-9472 with D-SUB are referred to inclusively as the NI USB-9472.
- Page 2 Dimensions Figures 2 and 3 show the NI USB-9472 device dimensions. Hi-Speed USB Carrier NI USB-9162 140.23 mm 120.68 mm (5.521 in.) (4.751 in.) 137.82 mm 118.26 mm (5.426 in.) (4.656 in.) 88.12 mm 25.34 mm 25.34 (3.469 in.) (0.998) (0.998 in.)
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Page 3: Safety Guidelines For Hazardous Voltages
Operate the NI USB-9472 only as described in these operating instructions. Note Although the NI 9472 module may have more stringent certification standards than the NI USB-9472, when used with the NI USB-9162 carrier, the combined system may be limited. Refer to the Specifications section for more details. -
Page 4: Related Documentation
NI-DAQmx measurement in LabVIEW using the DAQ Assistant. • VI and Function Reference»Measurement I/O VIs and Functions—Describes the LabVIEW NI-DAQmx VIs and properties. NI USB-9472 User Guide and Specifications ni.com... -
Page 5: Measurement Studio
Project dialog box. Find the Measurement Studio folder for the language you want to create a program in. Choose a project type. You add DAQ tasks as a part of this step. © National Instruments Corporation NI USB-9472 User Guide and Specifications... -
Page 6: Ansi C Without Ni Application Software
Select Start»All Programs»National Instruments»NI-DAQ»NI-DAQmx Help. The NI-DAQmx C Reference Help describes the NI-DAQmx Library functions, which you can use with National Instruments data acquisition devices to develop instrumentation, acquisition, and control applications. Select Start»All Programs»NationalInstruments»NI-DAQ» NI-DAQmx C Reference Help. -
Page 7: Installing The Software
Example Programs The NI-DAQmx CD contains example programs that you can use to get started programming with the NI USB-9472. Refer to the NI-DAQmx for USB Devices Getting Started Guide that shipped with your device, and is also accessible from Start»All Programs»National Instruments»... - Page 8 NI USB-9162 carrier. Press firmly on the connector side of the NI 9472 module until the latches lock the module into place, as shown in Figure 5. Figure 5. Locking Module into Place NI USB-9472 User Guide and Specifications ni.com...
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Page 9: Mounting The Ni Usb-9472 To A Panel
Figure 6. Module Dimensions in Millimeters (Inches) Connecting the NI USB-9472 to a Computer Plug one end of the USB cable into the NI USB-9472 and the other end into an available USB port on the computer. Refer to the NI-DAQmx for USB Devices Getting Started Guide that shipped with your device, and is also accessible from Start»All Programs»National Instruments»NI-DAQ,... -
Page 10: Wiring The Ni Usb-9472 Device
For more information about installing the backshell, refer to the Assembling the High Voltage Screw Terminal Backshell section. Each channel of the NI USB-9472 has a terminal or pin, DO, to which you can connect your device. Each channel has an LED that indicates the state of the channel. - Page 11 COM. The eight digital output channels are internally referenced to COM. Refer to Table 3 for the terminal assignments of the NI USB-9472 with screw terminal. Refer to Figure 7 for the pin assignments of the NI USB-9472 with D-SUB.
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Page 12: Connecting Devices To The Ni Usb-9472
IEC negative logic, or other DC devices to the NI USB-9472. A sinking-input device provides a path to ground for current or voltage. Make sure the device you connect to the NI USB-9472 meets the module specifications. Refer to the... -
Page 13: Assembling The High Voltage Screw Terminal Backshell
Device NI USB-9472 Figure 8. Connecting a Device to the NI USB-9472 When the channel is on, the channel LED is on and the terminal or pin associated with the channel drives a current or applies a voltage to the device. -
Page 14: Understanding Short-Circuit-Proof Devices
You also can refer to the IEC 1131-2 standard for more information about short-circuit-proof devices. Because the NI USB-9472 includes internal flyback diodes, you do not need to add external diodes when connecting to switching energy storing devices. -
Page 15: Specifications
NI USB-9472. If the power supply you are using with the NI USB-9472 cannot supply more than the guaranteed trip current, the module may be damaged if a short-circuit condition occurs. -
Page 16: Power Requirements
(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.) NI USB-9472 User Guide and Specifications ni.com... -
Page 17: Safety Voltages
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. © National Instruments Corporation NI USB-9472 User Guide and Specifications... -
Page 18: Safety Standards
Safety Standards The NI USB-9472 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 visit , search by model number or product line, and click the ni.com/certification... -
Page 19: Environmental Management
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 RoHS... -
Page 20: Where To Go For Support
Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your CD, or ni.com/patents.
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