National-instruments NI 9425 User Manual

OPERATING INSTRUCTIONS AND SPECIFICATIONSNI 942532-Channel, 24 V Sinking Digital Input Moduleni.com/manualsDeutschFrançais

NI 9425 Operating Instructions and Specifications 10 ni.comSleep ModeThis module supports a low-power sleep mode. Support for sleep mode at the system

© National Instruments Corp. 11 NI 9425 Operating Instructions and SpecificationsSpecificationsThe following specifications are typical for the range

NI 9425 Operating Instructions and Specifications 12 ni.comI/O protectionInput voltage8 channels ... 60 VDC max32 channels ..

© National Instruments Corp. 13 NI 9425 Operating Instructions and SpecificationsMTBF ... 1,256,699 hours

NI 9425 Operating Instructions and Specifications 14 ni.comSafetySafety VoltagesConnect only voltages that are within the following limits.Channel-to-

© National Instruments Corp. 15 NI 9425 Operating Instructions and SpecificationsCaution Do not connect the NI 9425 to signals or use for measurements

NI 9425 Operating Instructions and Specifications 16 ni.comNote For UL and other safety certifications, refer to the product label or the Online Produ

© National Instruments Corp. 17 NI 9425 Operating Instructions and SpecificationsCE ComplianceThis product meets the essential requirements of applica

NI 9425 Operating Instructions and Specifications 18 ni.comOperating shock(IEC 60068-2-27)... 30 g, 11 ms half sine,50 g, 3

© National Instruments Corp. 19 NI 9425 Operating Instructions and SpecificationsMaximum altitude... 2,000 m Pollution Degre

NI 9425 Operating Instructions and Specifications 2 ni.comThis document describes how to use the National Instruments 9425 and includes specifications

NI 9425 Operating Instructions and Specifications 20 ni.comWhere to Go for SupportThe National Instruments Web site is your complete resource for tech

© National Instruments Corp. 21 NI 9425 Operating Instructions and Specificationstelephone support outside the United States, contact your local branc

© 2004–2008 National Instruments Corp. All rights reserved.373782E-01 Sep08National Instruments, NI, ni.com, and LabVIEW are trademarks of National I

© National Instruments Corp. 3 NI 9425 Operating Instructions and SpecificationsSafety GuidelinesOperate the NI 9425 only as described in these operat

NI 9425 Operating Instructions and Specifications 4 ni.comCaution When module terminals are hazardous voltage LIVE (>42.4 Vpk/60 VDC), you must ens

© National Instruments Corp. 5 NI 9425 Operating Instructions and SpecificationsCaution For Zone 2 applications, install the system in an enclosure ra

NI 9425 Operating Instructions and Specifications 6 ni.comSpecial Conditions for Marine ApplicationsSome modules are Lloyd’s Register (LR) Type Approv

© National Instruments Corp. 7 NI 9425 Operating Instructions and SpecificationsConnecting the NI 9425The NI 9425 has a 37-pin DSUB connector that pro

NI 9425 Operating Instructions and Specifications 8 ni.comEach channel has a DI pin to which you can connect a digital input signal. The NI 9425 has f

© National Instruments Corp. 9 NI 9425 Operating Instructions and SpecificationsFigure 2. Connecting a Device to the NI 9425 (Three-Wire Device Shown