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Manual National Instruments NI 9472

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  • National Instruments NI 9472 - page 1

    OPERATING INSTRUCTIONS AND S PECIFICA TIONS NI 9472/9474 8-Channel Digital Output Modules ni.com/manuals Deutsch Français ...

  • National Instruments NI 9472 - page 2

    NI 9472/9474 2 ni.com This doc u ment describes ho w to u se the National Instr u ments 9472 and National Instr u ments 9474 and incl u des specif ications and terminal or pin assignments. In this doc u ment, the NI 94 72/9474 with screw terminal and NI 9472 with DSUB are referred to incl u siv ely as the NI 9472/9474. V isit ni.com/info and enter ...

  • National Instruments NI 9472 - page 3

    © National Instruments Corp. 3 NI 9472/9474 Hot Surface This icon denotes that the component may be hot. T o u ching this component may res u lt in bodily inj u ry . Safety Guidelines for Hazardous V oltages Yo u can connect hazardo u s voltages only to th e NI 9472/9474 with screw terminal. Do not connect hazardo u s v oltages to the NI 9472 with ...

  • National Instruments NI 9472 - page 4

    NI 9472/9474 4 ni.com and circ u its connected to the mod u le are properly ins u lated from h u man contact. Y o u m u st u se the NI 9932 connector backshell kit to ens u re that the terminals are not accessible. Fig u re 1 sho ws the NI 9932 connector backshell. Note Yo u can u se the NI 9932 connec tor bac ksh ell o nly with th e NI 9472/9474 w ...

  • National Instruments NI 9472 - page 5

    © National Instruments Corp. 5 NI 9472/9474 Safety Guidelines fo r Hazardous Loca tions The NI 9472/9474 is s u itable for u se in Class I, Di vision 2, Gro u ps A, B, C, D, T4 hazardo u s locations; Class I, Zone 2, AEx nC IIC T4 and Ex nC IIC T4 hazardo u s locations; and nonhazardo u s locations only . Follow these g u idelines if yo u are inst ...

  • National Instruments NI 9472 - page 6

    NI 9472/9474 6 ni.com Caution For Zone 2 applications, install a protection device between the V s u p and COM terminals on the NI 9472/9474. The d evice m u st pre vent the inp u t V s u p -to-COM voltage from e xceeding 42 V i f there is a transient overv oltage condition. Special Conditions for Hazard ous Locations Use in Europe This eq u ipment ...

  • National Instruments NI 9472 - page 7

    © National Instruments Corp. 7 NI 9472/9474 Special Conditions fo r Marine Applicatio ns Some mod u les are Lloyd’ s Register (LR) T ype Approved for marine applications. T o verify Llo yd’ s Register cert ification, visit ni.com/certification and search for the LR certificate, or look for the Lloyd’ s Register mark on the mod u le. Caution ...

  • National Instruments NI 9472 - page 8

    NI 9472/9474 8 ni.com Connecting the NI 9472/9474 The NI 9472/9474 provides connectio ns for eight digital o u tp u t channels. Figure 2. NI 9472/9474 T erminal and Pin Assignments DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 Vsup COM 0 1 2 3 4 5 6 7 8 9 COM Vsup COM COM Vsup COM COM Vsup COM COM Vsup COM COM DO0 Vsup DO1 DO2 Vsup DO3 DO4 Vsup DO5 DO6 Vsup DO7 ...

  • National Instruments NI 9472 - page 9

    © National Instruments Corp. 9 NI 9472/9474 The NI 9472/9474 with scre w te rminal has a 10-terminal, detachable scre w-terminal conne ctor . The NI 9472 with DSUB has a 25-pin DSUB connector . Each channel of the NI 9472/9474 has a terminal or pin, DO, to which yo u can connect a device. The eight digital o u tp u t channels are inte rnally refer ...

  • National Instruments NI 9472 - page 10

    NI 9472/9474 10 ni.com Yo u m u st connect an external po wer s u pply to the NI 9472/9474. This power s u pply provides the c u rrent for the de vices yo u connect to the mod u le. Connect the positi ve lead of the po wer s u pply to V s u p and the negati v e lead of the power s u pply to COM. The V s u p pins on the NI 9472 with DSUB ar e intern ...

  • National Instruments NI 9472 - page 11

    © National Instruments Corp. 11 NI 9472/9474 Yo u can directly connect the NI 9472/9474 to a v ariety of ind u strial de vices s u ch as solenoids, motors, act u ators, relays, and lamps. Make s u re the devices yo u connect to the NI 9472/9474 are compatible with the o u tp u t specificati ons of the mod u le. Refer to the Specifications section ...

  • National Instruments NI 9472 - page 12

    NI 9472/9474 12 ni.com Increasing Current Drive Each channel of the NI 9472 has a contin u o u s o u tp u t c u rrent of 0.75 A, and each channel of the NI 9474 has a contin u o u s o u tp u t c u rrent of 1 A. If yo u want to increase the o u tp u t c u rrent to a de vice, yo u can connect any n u mber of channels together in parallel. For e xampl ...

  • National Instruments NI 9472 - page 13

    © National Instruments Corp. 13 NI 9472/9474 Wiring for High-Vibration Applications If an application u sing the NI 9472/9474 with screw terminal is s u bject to high vibrat ion, National Instr u ments recomm ends that yo u either u se ferr u les to terminate wires to the detacha ble scre w-terminal connector or u se the NI 9932 backshell kit to p ...

  • National Instruments NI 9472 - page 14

    NI 9472/9474 14 ni.com I/O Protection The NI 9472/9474 is short-circ u it proof in accordan ce with IEC 1131-2 and provides o verc u rren t protection. Understanding Sh ort-Ci rcuit-Proof Devices Each channel on the NI 9472/9474 has circ u itry that protects it from c u rrent s u rge s r es u lting from short circ u its. Whet her the mod u le s u f ...

  • National Instruments NI 9472 - page 15

    © National Instruments Corp. 15 NI 9472/9474 more informatio n abo u t the maxim u m contin u o u s o u tp u t c u rrent, short-circ u it behavior , and short-circ u it trip time. Y o u also can refer to the IEC 1131-2 standard for more information abo u t short-circ u it-proof de vices. Tip Beca u se the NI 9472/947 4 mod u le incl u des internal ...

  • National Instruments NI 9472 - page 16

    NI 9472/9474 16 ni.com the channel is in an overc u rrent state, meas u re the voltage between DO and V s u p . If the v oltage is eq u al to the volta ge of the exte rnal power s u pply connected to the mod u le, the channel is in an ove rc u rrent state. Resetting Channels After an Overcurrent Condition After yo u hav e determined and fixed the c ...

  • National Instruments NI 9472 - page 17

    © National Instruments Corp. 17 NI 9472/9474 T ypically , when a system is in sleep mode, yo u cannot comm u nicate with the mod u les. In sleep mode, the system cons u mes minimal po wer and may diss ipat e less heat than it does in normal mode. Refer to the Specifications section for more information abo u t power cons u mption and thermal dissi ...

  • National Instruments NI 9472 - page 18

    NI 9472/9474 18 ni.com O u tp u t impedance ( R 0 ) T ypical . ............. ............ ............. . 0.07 Ω Maxim u m ......... .............. ........... . 0.13 Ω Contin u o u s o u tp u t c u rrent ( I 0 ), per channel NI 9472 ......... ...................... ........ 0.75 A max NI 9474 ........... .................. .......... 1 A max O u ...

  • National Instruments NI 9472 - page 19

    © National Instruments Corp. 19 NI 9472/9474 O u tp u t delay time (f u ll load) NI 9472 ........... ........... ............ ..... 100 μ s max NI 9474 ......... ...................... ........ 1 μ s max MTBF NI 9472 ......... ...................... ........ 1,113,301 ho u rs at 25 °C; Bellcore Iss u e 2, Method 1, Case 3, Limited P art Stress ...

  • National Instruments NI 9472 - page 20

    NI 9472/9474 20 ni.com Thermal dissipation (at 70 °C) Active mode ............ .............. ..... 1.5 W max Sleep mode .......... ........... ........... . 55 mW ma x NI 9474 Power Requirem ents Power cons u mption fr om chassis Activ e mode .............. .............. ... 660 mW max Sleep mode .......... ........... ........... . 0.6 mW ma x ...

  • National Instruments NI 9472 - page 21

    © National Instruments Corp. 21 NI 9472/9474 Ferr u les ........ ........... .............. ........... . 0.25 mm 2 to 2.5 mm 2 W eight NI 9472/9474 with screw terminal .. ............ ............. . 150 g (5.3 oz) NI 9472 with DSUB ......... .......... 145 g (5.1 oz) Safety NI 9472/9474 with Screw T erm inal Safety Voltages Connect only v oltage ...

  • National Instruments NI 9472 - page 22

    NI 9472/9474 22 ni.com This cate gory refers to local-le vel electrical distr ib u tion, s u ch as that provided b y a standard wall o u tlet, for e xample, 115 V for U.S. or 230 V for E u rope. Caution Do not connect the NI 9472 /9474 with screw terminal to signals or u se for meas u rements within Meas u rement Categories III or IV . NI 9472 with ...

  • National Instruments NI 9472 - page 23

    © National Instruments Corp. 23 NI 9472/9474 s u pply system that powers eq u ipment. This cate gory is for meas u rements of voltages from spec ially protecte d secondary circ u its. S u ch v oltage meas u rements incl u de signal le vels, special eq u ipment, limited-ene rg y parts of eq u ipment , circ u its po wered by reg u lated lo w-voltage ...

  • National Instruments NI 9472 - page 24

    NI 9472/9474 24 ni.com Hazardous Locations U.S. (UL) .......... ........... ............. ........ Class I, Division 2, Gro u ps A, B, C, D, T4; Class I, Zone 2, AEx nC IIC T4 Canada (C-UL) ............ ........... .......... Cla ss I, Division 2, Gro u ps A, B, C, D, T4; Class I, Zone 2, Ex nC IIC T4 E u rope (DEMK O)........ ........... ......... ...

  • National Instruments NI 9472 - page 25

    © National Instruments Corp. 25 NI 9472/9474 Environmental National Instr u ments C Series mod u les are intend ed for indoor u se only b u t may be u sed o u tdoors if installed in a s u itabl e enclos u re. Refer to th e man u al for the chassis yo u are u sing for more information abo u t meeting th ese specif ications. Operating temperat u re ...

  • National Instruments NI 9472 - page 26

    NI 9472/9474 26 ni.com Shock and Vibration T o meet th ese specifications, yo u m u st panel mo u nt the system. If yo u are u sing the NI 9472/9474 with scre w terminal, yo u also m u st either af fix ferr u les to the ends of the terminal wires or u se the NI 9932 backshell kit to protect the connections. Operating vibration Random (IEC 60068-2-6 ...

  • National Instruments NI 9472 - page 27

    © National Instruments Corp. 27 NI 9472/9474 Note For EMC compliance, operate this de vice with shielded cabling. CE Compliance This prod u ct meets the essent ial req u irem ents of applic able E u ropean directi ves, as amended for CE markings, as follo ws: • 2006/95/EC; Low-V oltage Directi ve (safety) • 2004/108/EC; Electromagneti c Compat ...

  • National Instruments NI 9472 - page 28

    NI 9472/9474 28 ni.com Environmental Mana gement National Instr u ments is committe d to designing and man u fact u ring prod u cts in an en vironmentally res ponsible manner . NI recognizes that eliminating certain hazardo u s s u bstan ces from o u r prod u cts is beneficial not only to t he en vironment b u t also to NI c u stomers. For addition ...

  • National Instruments NI 9472 - page 29

    © National Instruments Corp. 29 NI 9472/9474 Where to Go for Support The National Instr u ments W eb site is yo u r complete reso u rce for technical s u pport. At ni.com/ s upport yo u have access to ev erything from tro u bleshooting and applic ation dev elopment self-help reso u rces to email and phone assistance from NI Application Engineers. ...

  • National Instruments NI 9472 - page 30

    NI 9472/9474 30 ni.com telephone s u pport o u tside the United St ates, contact yo u r local branch off ice: A u stralia 1800 300 800, A u stria 43 662 457990-0, Belgi u m 32 (0) 2 757 0020, Brazil 55 11 3262 3599, Canada 800 433 3488, China 86 21 5050 9800, Czech Rep u blic 420 224 235 774, Denmark 45 45 76 2 6 00, Finland 358 (0) 9 725 72511, Fr ...

  • National Instruments NI 9472 - page 31

    © 2003–2008 Nati onal Instruments Corp. All rights reserved. 373509E-01 May08 National Instruments, NI, n i.com, and LabVIEW are tr ademarks of National Instrument s Corporation. Refer to the Terms of Use section on ni.com/legal for more information about Natio nal Instruments trademarks. Other product and company names ment ioned herein are tra ...

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