National Instruments NI 9425 Operating Instructions Manual

Other manuals for NI 9425: Getting Started Manual
Manual is about: National Instruments Sinking Digital Input Module Operating Instructions and Specifications

Summary of NI 9425

  • Page 1

    Operating instructions and specifications ni 9425 32-channel, 24 v sinking digital input module ni.Com/manuals deutsch français.

  • Page 2

    Ni 9425 operating instructions and specifications 2 ni.Com this doc u ment describes how to u se the national instr u ments 9425 and incl u des specifications and pin assignments for the ni 9425. Visit ni.Com/info and enter rd s oftwarever s ion to determine which software yo u need for the mod u le...

  • Page 3

    © national instruments corp. 3 ni 9425 operating instructions and specifications safety guidelines operate the ni 9425 only as described in these operating instr u ctions. Hot surface this icon denotes that the component may be hot. To u ching this component may res u lt in bodily inj u ry. Safety g...

  • Page 4

    Ni 9425 operating instructions and specifications 4 ni.Com caution when mod u le terminals are hazardo u s voltage live (>42.4 v pk /60 vdc), yo u m u st ens u re that devices and circ u its connected to the mod u le are properly ins u lated from h u man contact. Safety guidelines for hazardous loca...

  • Page 5

    © national instruments corp. 5 ni 9425 operating instructions and specifications caution for zone 2 applications, install the system in an enclos u re rated to at least ip 54 as defined by iec 60529 and en 60529. Caution for zone 2 applications, connected signals m u st be within the following limit...

  • Page 6

    Ni 9425 operating instructions and specifications 6 ni.Com special conditions for marine applications some mod u les are lloyd’s register (lr) type approved for marine applications. To verify lloyd’s register certification, visit ni.Com/certification and search for the lr certificate, or look for th...

  • Page 7

    © national instruments corp. 7 ni 9425 operating instructions and specifications connecting the ni 9425 the ni 9425 has a 37-pin dsub connector that provides connections for 32 sim u ltaneo u sly-sampled digital inp u t channels. Figure 1. Ni 9425 pin assignments di16 di17 di18 di19 di20 di21 di22 d...

  • Page 8

    Ni 9425 operating instructions and specifications 8 ni.Com each channel has a di pin to which yo u can connect a digital inp u t signal. The ni 9425 has fo u r common pins, com, that are internally connected to the isolated reference of the mod u le. The ni 9425 has sinking inp u ts, meaning that wh...

  • Page 9

    © national instruments corp. 9 ni 9425 operating instructions and specifications figure 2. Connecting a device to the ni 9425 (three-wire device shown) the ni 9425 channel registers as on when the so u rcing-o u tp u t device applies a voltage or drives a c u rrent that is in the inp u t on range to...

  • Page 10

    Ni 9425 operating instructions and specifications 10 ni.Com sleep mode this mod u le s u pports a low-power sleep mode. S u pport for sleep mode at the system level depends 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 m...

  • Page 11

    © national instruments corp. 11 ni 9425 operating instructions and specifications specifications the following specifications are typical for the range –40 to 70 °c u nless otherwise noted. All voltages are relative to com u nless otherwise noted. Input characteristics n u mber of channels.............

  • Page 12

    Ni 9425 operating instructions and specifications 12 ni.Com i/o protection inp u t voltage 8 channels ............................ 60 vdc max 32 channels .......................... 30 vdc max reverse-biased voltage 8 channels ............................ –60 vdc max 32 channels ........................

  • Page 13

    © national instruments corp. 13 ni 9425 operating instructions and specifications mtbf ............................................... 1,256,699 ho u rs at 25 °c; bellcore iss u e 2, method 1, case 3, limited part stress method note contact ni for bellcore mtbf specifications at other temperat u res...

  • Page 14

    Ni 9425 operating instructions and specifications 14 ni.Com safety safety voltages connect only voltages that are within the following limits. Channel-to-com .............................. 60 vdc max isolation channel-to-channel .................... None channel-to-earth gro u nd contin u o u s .......

  • Page 15

    © national instruments corp. 15 ni 9425 operating instructions and specifications caution do not connect the ni 9425 to signals or u se for meas u rements within meas u rement categories ii, iii, or iv. Hazardous locations u.S. (ul) .......................................... Class i, division 2, gro...

  • Page 16

    Ni 9425 operating instructions and specifications 16 ni.Com note for ul and other safety certifications, refer to the prod u ct label or the online product certification section. Electromagnetic compatibility this prod u ct meets the req u irements of the following emc standards for electrical eq u ...

  • Page 17

    © national instruments corp. 17 ni 9425 operating instructions and specifications ce compliance this prod u ct meets the essential req u irements of applicable e u ropean directives as follows: • 2006/95/ec; low-voltage directive (safety) • 2004/108/ec; electromagnetic compatibility directive (emc) ...

  • Page 18

    Ni 9425 operating instructions and specifications 18 ni.Com operating shock (iec 60068-2-27).............................. 30 g, 11 ms half sine, 50 g, 3 ms half sine, 18 shocks at 6 orientations environmental national instr u ments c series mod u les are intended for indoor u se only b u t may be u...

  • Page 19

    © national instruments corp. 19 ni 9425 operating instructions and specifications maxim u m altit u de............................. 2,000 m poll u tion degree (iec 60664) .......... 2 environmental management ni is committed to designing and man u fact u ring prod u cts in an environmentally respons...

  • Page 20

    Ni 9425 operating instructions and specifications 20 ni.Com where to go for support the national instr u ments web site is yo u r complete reso u rce for technical s u pport. At ni.Com/ s upport yo u have access to everything from tro u bleshooting and application development self-help reso u rces t...

  • Page 21

    © national instruments corp. 21 ni 9425 operating instructions and specifications telephone s u pport o u tside the united states, contact yo u r local branch office: 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 ...

  • Page 22

    © 2004 – 2008 national instruments corp. All rights reserved. 373782e-01 sep08 national instruments, ni, ni.Com, and labview are trademarks of national instruments corporation. Refer to the terms of use section on ni.Com/legal for more information about national instruments trademarks. Other product...