Manuel d'utilisation / d'entretien du produit NI 9476 du fabricant National Instruments
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OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9476 32-Channel, 24 V, Sourcing Digital Output Module ni.com/manuals Deutsch Français.
NI 9476 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 9 476 and incl u des specif ications and pin assignments for the NI 9476. 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.
© National Inst ruments Corp. 3 NI 9476 Operating Instructi ons and Specific ations Safety Guidelines Operate the NI 94 76 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 .
NI 9476 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 .
© National Inst ruments Corp. 5 NI 9476 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.
NI 9476 Operating I nstruction s and Specificati ons 6 ni.com Connecting the NI 9476 The NI 9476 has a 37-pin DSUB connector that pro vides connections fo r 32 digital o u tp u t channels.
© National Inst ruments Corp. 7 NI 9476 Operating Instructi ons and Specific ations Each channel has a DO pin to which yo u can connect a digital inp u t de vice. The 32 digital o u tp u t channels are inte rnally referenced to COM. Yo u m u st connect an external po wer s u pply to the NI 9476.
NI 9476 Operating I nstruction s and Specificati ons 8 ni.com Yo u can directly connect the NI 9476 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 9476 are co mpatible with the o u tp u t specif ications of t he mod u le.
© National Inst ruments Corp. 9 NI 9476 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 250 mA. 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.
NI 9476 Operating I nstruction s and Specificati ons 10 ni.com Protecting the Mo dule from Flyback V oltage s If the mod u le is switching an ind u ctive or ener gy-storing device s u ch as a solenoid, motor , or relay , and the device does not ha ve flyback protection, install an exte rnal flyback diode as sho wn in Fig u re 4.
© National Inst ruments Corp. 11 NI 9476 Operating Instructi ons and Specific ations I/O Protection The NI 9476 is protected against ov erc u rrent, inr u sh, and short-circ u it conditions in accordance with IEC 1131-2.
NI 9476 Operating I nstruction s and Specificati ons 12 ni.com Sleep Mode This mod u le s u pports a low-po wer sleep mode. S u pport for sleep mode at the system le vel depe nds on the chassis that the mod u le is pl u gged into. Refer to the chassis man u al for information abo u t s u pport for sleep mode.
© National Inst ruments Corp. 13 NI 9476 Operating Instructi ons and Specific ations Specifications The follo wing spec ific ations are typical for the range – 40 to 70 °C u nless otherwise noted. All v oltages are relat iv e to COM u nless otherwise noted.
NI 9476 Operating I nstruction s and Specificati ons 14 ni.com Contin u o u s o verv ol tage protection ( V sup ) ......... ......... ........... ... u p to 40 V max Re versed-v oltage prot ection ............. None C u rrent limitin g ...... ........
© National Inst ruments Corp. 15 NI 9476 Operating Instructi ons and Specific ations MTBF .......... ........... .................. ........ 1,091,425 ho u rs at 25 °C; Bellcore Iss u e 2, 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.
NI 9476 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.
© National Inst ruments Corp. 17 NI 9476 Operating Instructi ons and Specific ations Isolation Voltages Channel-to-channel ...... ............. ........ No i solation betwe en channels Channel-to-earth gro u nd Contin u o u s ................ .......
NI 9476 Operating I nstruction s and Specificati ons 18 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) ............ .......
© National Inst ruments Corp. 19 NI 9476 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)....... ........... ............
NI 9476 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.
© National Inst ruments Corp. 21 NI 9476 Operating Instructi ons and Specific ations CE Compliance This prod u ct meets the essent ial req u irem ents of app licable E u ropean directi ves, as amende.
NI 9476 Operating I nstruction s and Specificati ons 22 ni.com For additional en viro nmental information, refer to the NI a nd the Environment W eb page at ni.com/environment . This page contains the en vironmental reg u lations and direct i ves with which NI complies, as well as othe r en vironmental information not incl u ded in this doc u ment.
© National Inst ruments Corp. 23 NI 9476 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.
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Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté National Instruments NI 9476 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du National Instruments NI 9476 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation National Instruments NI 9476, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le National Instruments NI 9476 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le National Instruments NI 9476, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du National Instruments NI 9476.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le National Instruments NI 9476. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei National Instruments NI 9476 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
