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National Instruments NI 9475 - page 1
OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9475 8-Channel, 60 V, High-Speed , Sourcing Digital Output Module ni.com/manuals Deutsch Français ...
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National Instruments NI 9475 - page 2
NI 9475 Operating I nstruction s and Specificati ons 2 ni.com This doc u ment describes ho w to u se the National Instr u ments 9475 and incl u des specif ications and pin assignments for the NI 9475. Vi s i t ni.com/info and enter rd s oftwarever s ion to determine which software yo u need for the mod u les yo u are u sing. For information abo u t ...
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National Instruments NI 9475 - page 3
© National Inst ruments Corp. 3 NI 9475 Operating Instructi ons and Specific ations Safety Guidelines Operate the NI 9475 only as described in these operating instr u ctions. 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 fo r Hazardous Loca tions The NI 9 ...
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National Instruments NI 9475 - page 4
NI 9475 Operating I nstruction s and Specificati ons 4 ni.com Caution S u bstit u tion of components may impair s u itability for Class I, Division 2. Caution For Zone 2 applications, install the system in an enclos u re rated to at least IP 54 as defined b y IEC 60529 an d EN 60529 . Caution For Zone 2 applications, install a protection device bet ...
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National Instruments NI 9475 - page 5
© National Inst ruments Corp. 5 NI 9475 Operating Instructi ons and Specific ations Special Conditions fo r Marine Appli cations Some mod u les are Lloyd’ s Re gister (LR) T ype Approv ed 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’ ...
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National Instruments NI 9475 - page 6
NI 9475 Operating I nstruction s and Specificati ons 6 ni.com Connecting the NI 9475 The NI 9475 has a 25-pin DSUB connector that pro vides connections for eight digital o u tp u t channels. Figure 1. NI 9475 Pin Assignm ents 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 1 2 3 4 5 6 7 8 ...
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National Instruments NI 9475 - page 7
© National Inst ruments Corp. 7 NI 9475 Operating Instructi ons and Specific ations Each channel of the NI 9475 has a DO pin to which yo u can connect a dev ice. Each channe l also has a COM pin and a V s u p pin. National Instr u ments recommends yo u pro vide independent COM and V s u p wiring for each channel to mi nimize c u rrent flo w in the ...
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National Instruments NI 9475 - page 8
NI 9475 Operating I nstruction s and Specificati ons 8 ni.com Yo u can directly connect the NI 9475 to a va riety 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 9475 are co mpatible with the o u tp u t specif ications of t he mod u le. Refer to the Specifications ...
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National Instruments NI 9475 - page 9
© National Inst ruments Corp. 9 NI 9475 Operating Instructi ons and Specific ations Increasing Current Drive Each channel ha s 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 device, yo u can connect any n u mber of channels together in parallel. F or example, if yo u want to driv e 4 A of c u r ...
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National Instruments NI 9475 - page 10
NI 9475 Operating I nstruction s and Specificati ons 10 ni.com I/O Protection The NI 9475 is short-circ u it proof in accordance with IEC 1131-2 and provides o verc u rr ent protection. Understanding Sh ort-Ci rcuit-Proof Devices Each channel on the NI 9475 has circ u itry that protec ts it from c u rrent s u rge s r e s u lting from short circ u i ...
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National Instruments NI 9475 - page 11
© National Inst ruments Corp. 11 NI 9475 Operating Instructi ons and Specific ations Higher inr u sh c u rrents that exist for less than the trip time do not trip the protec tion circ u itry . Refer to the Specifications section for 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-ci ...
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National Instruments NI 9475 - page 12
NI 9475 Operating I nstruction s and Specificati ons 12 ni.com ove rc u rrent condition occ u rs. A channel LED may be on ev en if the channel is of f beca u se of an ov erc u rrent condition. T o determine if 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 v oltag e of the ...
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National Instruments NI 9475 - page 13
© National Inst ruments Corp. 13 NI 9475 Operating Instructi ons and Specif ications s u pport for sleep mode. Refer to the softw are help for information abo u t enabling slee p mode. V isit ni.com/info and enter c s erie s doc for information abo u t C Series doc u menta tion. T ypically , when a system is in sleep mode, yo u cannot comm u nicat ...
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National Instruments NI 9475 - page 14
NI 9475 Operating I nstruction s and Specificati ons 14 ni.com O u tp u t impedance ( R 0 ) .................. ... 0.14 Ω max Contin u o u s o u tp u t c u rrent ( I 0 ), per channel .......... ........... ........... ........ 1 A max O u tp u t voltage ........ ............ ........... ... V sup – ( I 0 · R 0 ) I/O protection V oltage ........ ...
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National Instruments NI 9475 - page 15
© National Inst ruments Corp. 15 NI 9475 Operating Instructi ons and Specific ations MTBF .......... ........... .................. ........ 1,096,296 ho u rs at 25 °C; Bellcore Iss u e 6, Method 1, Case 3, Limited P art Stress Method Note Contact NI for Bellcore MTBF specifications at other temperat u res or for MIL-HDBK-21 7F specifications. Po ...
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National Instruments NI 9475 - page 16
NI 9475 Operating I nstruction s and Specificati ons 16 ni.com Safety Maximum Voltage 1 Connect only v oltages that are within the follo wing lim its. V s u p -to-COM... ........... ........... ............ 60 VDC, Meas u rement Category I Meas u rement Cate gory I is for meas u rements performed on circ u its not directly connected to the electric ...
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National Instruments NI 9475 - page 17
© National Inst ruments Corp. 17 NI 9475 Operating Instructi ons and Specific ations Isolation Voltages Channel-to-channel ...... ............. ........ No isolation betwe en channels Channel-to-earth gro u nd Contin u o u s ................... ........... ... 60 VDC, Meas u rement Category I W ithstand ............. ........... ........... . 1,00 ...
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National Instruments NI 9475 - page 18
NI 9475 Operating I nstruction s and Specificati ons 18 ni.com Hazardous Locations U.S. (UL) ........ ........... ........... ........... . Class I, Di vision 2, Gro u ps A, B, C, D, T4; Class I, Zone 2, AEx nA IIC T4 Canada (C-UL) .......... ............. .......... Class I, Division 2, Gro u ps A, B, C, D, T4; Class I, Zone 2, Ex nA IIC T4 E u ro ...
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National Instruments NI 9475 - page 19
© National Inst ruments Corp. 19 NI 9475 Operating Instructi ons and Specific ations Operating h u midity (IEC 60068-2-56)....... ........... ............ 10 to 90% RH, noncondensing Storage h u midity (IEC 60068-2-56)....... ........... ............ 5 to 95% RH, noncondensing Maxim u m altit u de.......... ......... .......... 2,000 m Poll u tion ...
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National Instruments NI 9475 - page 20
NI 9475 Operating I nstruction s and Specificati ons 20 ni.com Electromagnetic Compatibility This prod u ct is designed to meet the req u ire ments of the follo wing standards of EMC for electrical eq u ipment for meas u rement , control, and laboratory u se: • EN 61326 EMC req u irements; Ind u strial Imm u nity • EN 55011 Emissions; Gro u p 1 ...
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National Instruments NI 9475 - page 21
© National Inst ruments Corp. 21 NI 9475 Operating Instructi ons and Specific ations Note Refer to the Declaration of Co nformity (DoC) for this prod u ct for any additional reg u latory compliance information. T o obtain the DoC for this prod u ct, visit ni.com/certification , search by mod u le n u mber or prod u ct line, and click the appropria ...
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National Instruments NI 9475 - page 22
NI 9475 Operating I nstructions and Specifications 22 ni .com Waste Electrical and Electronic Equipment (WEEE) EU Customers At t he end of their life cycl e, all prod u cts must be sent to a WEEE re c ycling center . For more information abo u t WEEE recycling ce nters and National Instr u ments WEEE initiati ves, visit ni.com/ environment/weee.htm ...
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National Instruments NI 9475 - page 23
© National Inst ruments Corp. 23 NI 9475 Operating Instructions and Specific ations 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 de velopment self-help reso u rces to email and phone ass ...
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National Instruments NI 9475 - page 24
© 2007–2008 Nati onal Instruments Corp. All rights reserved. 374711C-01 Feb08 National Instruments, NI, n i.com, and LabVIEW are trademarks of National Instruments C orporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments trademarks. O ther product and company names ment ioned herein are trad ...
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