National Instruments NI 9426 manual

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Table of contents for the manual

  • Page 1

    OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9426 32-Channel, 24 V, Sourcing Digital Input Module ni.com/manuals Deutsch Français[...]

  • Page 2

    NI 9426 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 9426 and incl u des specif ications and pin assignments for the NI 9426. 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[...]

  • Page 3

    © National Inst ruments Corp. 3 NI 9426 Operating Instructi ons and Specific ations Safety Guidelines for Hazardous V oltages If hazardo u s voltages are connected to the mod u le, ta ke the follow ing preca u tions. A hazardo u s v oltage is a voltage greater than 42.4 V pk or 60 VDC to earth gro u nd. Caution Ens u re that hazardo u s voltage wi[...]

  • Page 4

    NI 9426 Operating I nstruction s and Specificati ons 4 ni.com Ex nA IIC T4 hazardo u s locations; and nonhazardo u s locations only . Follow these g u ideli nes if yo u are i nstalling the NI 942 6 in a potentially explosi ve en vironm ent. Not following the se g u idelines may res u lt in serio u s inj u ry or death. Caution Do not disconnect I/O-[...]

  • Page 5

    © National Inst ruments Corp. 5 NI 9426 Operating Instructi ons and Specific ations Special Conditions for Hazard ous Locations Use in Europe This eq u ipment has been e v al u ated as Ex nA IIC T4 eq u ipment u nder DEMK O Certificate No. 07 A TEX 0626664X. Each mod u le is marked II 3G and is s u itable for u se in Zone 2 hazardo u s locations. [...]

  • Page 6

    NI 9426 Operating I nstruction s and Specificati ons 6 ni.com Connecting the NI 9426 The NI 9426 has a 37-pin DSUB connector that pro vides connections for 32 sim u ltaneo u sly-sampled digital inp u t channels. Figure 1. NI 9426 Pin Assignm ents DI16 DI17 DI18 DI19 DI20 DI21 DI22 DI23 Vsup Vsup DI24 DI25 DI26 DI27 DI28 DI29 DI30 DI31 DI0 DI1 DI2 D[...]

  • Page 7

    © National Inst ruments Corp. 7 NI 9426 Operating Instructi ons and Specific ations Each channel has a DI pin to which yo u can connect a digital inp u t signal. The NI 9426 has fo u r s u pply pins, V s u p , that are interna lly connected to the isolated reference of the mod u le. The NI 9426 has so u rcing inp u ts, meaning the DI pin so u rces[...]

  • Page 8

    NI 9426 Operating I nstruction s and Specificati ons 8 ni.com Figure 2. Connecting a Device to the NI 9426 (Three-Wire Device Shown) The NI 9426 channel re gisters as ON when the sinking-o u tp u t de vice driv es the inp u t below V s u p and meets the inp u t ON range. The channel re gisters as OFF when the de vice does not dri ve the inp u t low[...]

  • Page 9

    © National Inst ruments Corp. 9 NI 9426 Operat ing Instructi ons and Specif ications 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. If the chassis s[...]

  • Page 10

    NI 9426 Operating I nstruction s and Specificati ons 10 ni.com Inp u t type ........ ........... ........... ........... . So u rcing Digital logic le v els OFF state Inp u t v oltage 1 ............. ......... . ≥ ( V sup – 5 V) Inp u t c u rrent ...... ........... ........ ≤ 150 μ A from DI pin ON state Inp u t v oltage 1 ............. ....[...]

  • Page 11

    © National Inst ruments Corp. 11 NI 9426 Operating Instructi ons and Specific ations Hold time 1 ......... ......... ........... ........... . 0 s mi n Set u p time 2 .......... ........... ......... .......... 1 μ s min Update/transfer time 3 .......... ......... ..... 7 μ s max MTBF .......... ........... ............ ........... ... 955,723 h[...]

  • Page 12

    NI 9426 Operating I nstruction s and Specificati ons 12 ni.com Power Requirements Power cons u mption fr om chassis Active mode .............. ............ ..... 615 mW max Sleep mode 1 ...... ......... ............ ..... 5 mW max Thermal dissipation (at 70 °C) Active mode ............ ........... ........ 1.35 W max Sleep mode .......... ........[...]

  • Page 13

    © National Inst ruments Corp. 13 NI 9426 Operating Instructi ons and Specific ations Isolation Channel-to-channel ............... ..... None Channel-to-earth gro u nd Contin u o u s ........ ........... ........ 60 VDC, Meas u rement Category I W ithstand .......... ........... ........ 1,000 V rms , ver i fie d by a 5 s dielectric withstand test [...]

  • Page 14

    NI 9426 Operating I nstruction s and Specificati ons 14 ni.com Safety Standards This prod u ct is designed to meet the req u ire ments of the follo wing standards of safety for electrical eq u ipment for meas u rement, control, and laboratory u se: • IEC 61010-1, EN 61010-1 • UL 61010-1, CSA 61010-1 Note For UL and other safety certif ications,[...]

  • Page 15

    © National Inst ruments Corp. 15 NI 9426 Operating Instructi ons and Specific ations 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 s[...]

  • Page 16

    NI 9426 Operating I nstruction s and Specificati ons 16 ni.com Shock and Vibration T o meet thes e specifications, yo u m u st panel mo u nt the system. Operating vibration Random (IEC 60068-2-64)......... 5 g rms , 10 to 500 Hz Sin u soidal (IEC 60068-2-6) ....... 5 g, 10 to 500 Hz Operating shock (IEC 60068-2-27)........... ........... ........ 3[...]

  • Page 17

    © National Inst ruments Corp. 17 NI 9426 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 amended for CE markings, as follo ws: • 2006/95/EC; Low-V oltage Directi ve (safety) • 2004/108/EC; Electromagneti c Compatibility Directive (EMC) Note [...]

  • Page 18

    NI 9426 Operating I nstruction s and Specificati ons 18 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.[...]

  • Page 19

    © National Inst ruments Corp. 19 NI 9426 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[...]

  • Page 20

    © 2007–2008 Nati onal Instruments Corp. All rights reserved. 374712D-01 May08 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 Natio nal Instruments trademarks. Other product and company names ment ioned herein are trad[...]