National Instruments USB-9472, User Manual And Specifications

Page 1: ...h D SUB are referred to inclusively as the NI USB 9472 Introduction 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 Figure 1 NI USB 9472 Components NI 9472 NI USB 9162 NI USB 9472 H i S P e e d U S B ...

Page 2: ...eters Inches Figure 3 NI USB 9472 D SUB Device in Millimeters Inches 25 34 0 998 Hi Speed USB Carrier NI USB 9162 140 23 mm 5 521 in 137 82 mm 5 426 in 120 68 mm 4 751 in 118 26 mm 4 656 in 88 12 mm 3 469 in 25 34 mm 0 998 in Hi Speed USB Carrier NI USB 9162 125 76 mm 4 951 in 123 38 mm 4 857 in 120 68 mm 4 751 in 118 26 mm 4 656 in 88 12 mm 3 469 in 25 34 mm 0 998 in ...

Page 3: ...itched off or the area is known to be nonhazardous Caution The NI USB 9472 is not certified for use in hazardous locations Safety Guidelines for Hazardous Voltages If hazardous voltages are connected to the module take the following precautions A hazardous voltage is a voltage greater than 42 4 Vpk or 60 VDC to earth ground Caution Ensure that hazardous voltage wiring is performed only by qualifie...

Page 4: ...ents Select Start All Programs National Instruments NI DAQ NI DAQmx Help LabVIEW If you are a new user use the Getting Started with LabVIEW manual to familiarize yourself with the LabVIEW graphical programming environment and the basic LabVIEW features you use to build data acquisition and instrument control applications Open the Getting Started with LabVIEW manual by selecting Start All Programs ...

Page 5: ...r Visual Basic NET you can interactively create channels and tasks by launching the DAQ Assistant from MAX or from within Visual Studio NET You can generate the configuration code based on your task or channel in Measurement Studio Refer to the DAQ Assistant Help for additional information about generating code You also can create channels and tasks and write your own applications in your ADE usin...

Page 6: ...entation To view the NI DAQmx NET documentation go to Start Programs National Instruments NI DAQ NI DAQmx NET Reference Help Expand NI Measurement Studio Help NI Measurement Studio NET Class Library Reference to view the function reference Expand NI Measurement Studio Help NI Measurement Studio NET Class Library Using the Measurement Studio NET Class Libraries to view conceptual topics for using N...

Page 7: ...g other software refer to the installation instructions that accompany your 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 NI DAQ for more information Insta...

Page 8: ... Figure 4 Module Installation 4 Squeeze the latches and insert the NI 9472 module into the NI USB 9162 carrier 5 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 1 High Voltage Screw Terminal Backshell 1 ...

Page 9: ...Q for more information LED Indicator The NI USB 9472 device has a green LED next to the USB connector The LED indicator indicates device status as listed in Table 1 When the device is connected to a USB port the LED blinks steadily to indicate that the device is initialized and is receiving power from the connection If the LED is not blinking it may mean that the device is not initialized or the c...

Page 10: ...as an LED that indicates the state of the channel Table 1 LED State Device Status LED State Device Status Not lit Device not connected or in suspend On not blinking Device connected but no module installed Single blink Operating normally Double blink Operating normally Quadruple blink Device error Refer to ni com support Table 2 Accessories Device Accessory Accessory Description USB 9472 with Scre...

Page 11: ...ply terminal or pin Vsup and the negative lead of the power supply to the common terminal or pin 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 Table 3 Terminal Assignments Module Terminal Signal 0 DO0 1 DO1 2 DO2 3 DO3...

Page 12: ... 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 Specifications section for more information about the output specifications of the module Connect the device to DO on the NI USB 9472 Connect the common of the device to COM Figure 8 shows a possible configurati...

Page 13: ...es not drive current or apply voltage to the device Assembling the High Voltage Screw Terminal Backshell The NI 9932 high voltage screw terminal backshell must be installed when using hazardous voltages 42 4 Vpk 60 VDC Refer to Figure 9 while completing the following steps to assemble the backshell 1 Connect the leads to the screw terminal and secure with the strain relief 2 Finish by snapping the...

Page 14: ...d trip current for the module the channel trips and goes into an overcurrent state In an overcurrent state the channel turns off and the module is not damaged If the current through DO is higher than the minimum possible trip current and lower than the guaranteed trip current the state of the channel is indeterminate and depends on factors such as the current level the temperature and the power su...

Page 15: ...e if the channel is in an overcurrent state measure the voltage between DO and Vsup If the voltage is equal to the voltage of the external power supply connected to the module the channel is in an overcurrent state Resetting Channels After an Overcurrent Condition After you have determined and fixed the cause of the overcurrent condition reset the channel by turning it off You can disconnect the e...

Page 16: ...on 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 Current Channel State Module State 0 to 1 A Channel does not t...

Page 17: ...vel electrical distribution such as that provided by a standard wall outlet for example 115 V for U S or 230 V for Europe 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 Vrms 5 seconds max Continuous 60 VDC Measurement Category I Measurement Category I is for measurements performed on circuits not dir...

Page 18: ...ardous 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 T...

Page 19: ...e 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 incl...

Page 20: ...National Instruments also has offices located around the world to help address your support needs For telephone support in the United States create your service request at ni com support and follow the calling instructions or dial 512 795 8248 For telephone support outside the United States contact your local branch office Australia 1800 300 800 Austria 43 662 457990 0 Belgium 32 0 2 757 0020 Braz...