Instruction/ maintenance manual of the product NI USB-9472 National Instruments
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USER GUIDE AND SPECIFICATIONS NI USB-9472 8-Channel, 24 V Logic, Sour cing Digital Output Device This user guide describes how to use the National Instruments NI USB-9472 and lists the device specif i cations. In this user guide, the NI USB-9472 with scr e w terminal and the NI USB-9472 with D-SUB are referred to inclusi vel y as the NI USB-9472.
NI USB-9472 U ser Guide and Specifications 2 ni.com Dimensions Figures 2 and 3 sho w the NI USB-9472 device dimensions. Figure 2. NI USB-9472 (Screw T erminal) Device in Millimeters (Inches) Figure 3. NI USB-9472 (D-SUB) Device in Millimeters (Inches) 25.
© National Instruments Corporation 3 NI USB-9472 User Guid e and Specifications Safety Guidelines Operate the NI USB-9472 on ly as described in thes e operating instructions.
NI USB-9472 U ser Guide and Specifications 4 ni.com Related Documentation Each application software package an d driv er includes inform ation about writing applications for taking measur ements and controlling measurement devices. The follo wing references to documents assume you have NI-D A Qmx 8.
© National Instruments Corporation 5 NI USB-9472 User Guid e and Specifications • T aking Measurements —Contains the conceptual and how-to information you need to acquire and analyze measurement data in LabVIEW , including common measurements, measurement fundamentals, NI-DA Qmx key concepts, and device considerations.
NI USB-9472 U ser Guide and Specifications 6 ni.com ANSI C without NI Application Software The NI-D A Qmx Help contains API o vervie ws and gen eral information about measurement concepts. Select Start»All Programs»National Instruments»NI-D A Q»NI-DA Qmx Help .
© National Instruments Corporation 7 NI USB-9472 User Guid e and Specifications T raining Courses If you need more help getting started developing an appli cation with NI products, NI offers training courses. To enroll in a course or obtain a detailed course outline, r efer to ni.
NI USB-9472 U ser Guide and Specifications 8 ni.com 3. Align the I/O module with the carrier , as sho wn in Figure 4. Figure 4. Module Installation 4. Squeeze the latches and insert the NI 9472 module into the NI USB-9162 carrier .
© National Instruments Corporation 9 NI USB-9472 User Guid e and Specifications Mounting the NI USB-9472 to a Panel Threaded inserts are located in the NI USB-9472 for mounting it to a panel.
NI USB-9472 U ser Guide and Specifications 10 ni.com Wiring the NI USB-9472 Device The NI USB-9472 provides connections for eigh t digital output channel s. Caution A high v oltage screw terminal backshell must be installed when using hazardous voltages (>42.
© National Instruments Corporation 11 NI USB-9472 User Gu id e and Specifications Y ou must connect an external po wer supply to the NI USB-9472. This power supply provides the current for the de vices you connect to the module.
NI USB-9472 U ser Guide and Specifications 12 ni.com Figure 7. Pin Assignments Connecting Devices to the NI USB-9472 The NI USB-9472 has current sourcing outputs , meaning the DO term inal or pin drives current or applies vo ltage to the device to which it is connected.
© National Instruments Corporation 13 NI USB-9472 User Gu id e and Specifications 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 chan nel driv es a current or applies a v oltage to the device .
NI USB-9472 U ser Guide and Specifications 14 ni.com Figure 10. Assembled High Voltage Screw T erminal Back shell I/O Protection The NI USB-9472 is s hort-circuit-proof in acco rdance with IEC 1131-2 and provides overcurrent protection.
© National Instruments Corporation 15 NI USB-9472 User Gu id e and Specifications Power Supplies and Overcurrent Conditions If a short-circuit occu rs, the current through DO can exceed the current rating for the power supply and the m aximum continuous ou tput current for the NI USB-9472.
NI USB-9472 U ser Guide and Specifications 16 ni.com I/O protection Voltage . ........... .............. .............. ....30 V max Reversed voltage ................. ............None Trip currents Minimum possible trip current ... .............. ...
© National Instruments Corporation 17 NI USB-9472 User Gu id e and Specifications 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.
NI USB-9472 U ser Guide and Specifications 18 ni.com Safety Standards The NI USB-9472 product is designed to meet the requirements of th e following standards of saf ety for el ectrical equipment for .
© National Instruments Corporation 19 NI USB-9472 User Gu id e and Specifications CE Compliance This product meets the essential re quirements of applicable European Directives, as amended fo r CE ma.
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An important point after buying a device National Instruments NI USB-9472 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought National Instruments NI USB-9472 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data National Instruments NI USB-9472 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, National Instruments NI USB-9472 you will learn all the available features of the product, as well as information on its operation. The information that you get National Instruments NI USB-9472 will certainly help you make a decision on the purchase.
If you already are a holder of National Instruments NI USB-9472, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime National Instruments NI USB-9472.
However, one of the most important roles played by the user manual is to help in solving problems with National Instruments NI USB-9472. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device National Instruments NI USB-9472 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
