National Instruments NI 9425 User Manual Download

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OPERATING INSTRUCTIONS AND SPECIFICATIONS

NI 9425

32-Channel, 24 V Sinking Digital Input Module

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Summary of Contents for NI 9425

Page 1: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9425 32 Channel 24 V Sinking Digital Input Module ni com manuals Deutsch Fran ais...

Page 2: ...and programming the system refer to the system documentation Visit ni com info and enter cseriesdoc for information about C Series documentation Note The safety guidelines and specifications in this d...

Page 3: ...dous Voltages If hazardous voltages are connected to the module take the following precautions A hazardous voltage is a voltage greater than 42 4 Vpk or 60 VDC to earth ground Caution Ensure that haza...

Page 4: ...ss I Zone 2 AEx nC IIC T4 and Ex nC IIC T4 hazardous locations and nonhazardous locations only Follow these guidelines if you are installing the NI 9425 in a potentially explosive environment Not foll...

Page 5: ...pacitance 0 03 F max Special Conditions for Hazardous Locations Use in Europe This equipment has been evaluated as EEx nC IIC T4 equipment under DEMKO Certificate No 03 ATEX 0324020X Each module is ma...

Page 6: ...he LR certificate or look for the Lloyd s Register mark on the module Caution To meet radio frequency emission requirements for marine applications use shielded cables and install the system in a meta...

Page 7: ...tions for 32 simultaneously sampled digital input channels Figure 1 NI 9425 Pin Assignments DI16 DI17 DI18 DI19 DI20 DI21 DI22 DI23 COM COM DI24 DI25 DI26 DI27 DI28 DI29 DI30 DI31 DI0 DI1 DI2 DI3 DI4...

Page 8: ...OM for the current or voltage The NI 9425 internally limits current signals connected to DI For more information about input current levels refer to the Specifications section You can connect 2 3 and...

Page 9: ...es a voltage or drives a current that is in the input ON range to the DI pin The channel registers as OFF when the device applies a voltage or drives a current that is in the input OFF range to the DI...

Page 10: ...ode If the chassis supports sleep mode refer to the software help for information about enabling sleep mode Visit ni com info and enter cseriesdoc for information about C Series documentation Typicall...

Page 11: ...unless otherwise noted All voltages are relative to COM unless otherwise noted Input Characteristics Number of channels 32 digital input channels Input type Sinking Digital logic levels OFF state Inpu...

Page 12: ...transfer time3 cRIO 9151 R Series Expansion chassis 8 s max All other chassis 7 s max 1 Hold time is the amount of time input signals must be stable after initiating a read from the module 2 Setup tim...

Page 13: ...te Contact NI for Bellcore MTBF specifications at other temperatures or for MIL HDBK 217F specifications Power Requirements Power consumption from chassis Active mode 410 mW max Sleep mode 0 5 mW max...

Page 14: ...electric withstand test Measurement Category I is for measurements performed on circuits not directly connected to the electrical distribution system referred to as MAINS voltage MAINS is a hazardous...

Page 15: ...rdous Locations U S UL Class I Division 2 Groups A B C D T4 Class I Zone 2 AEx nC IIC T4 Canada C UL Class I Division 2 Groups A B C D T4 Class I Zone 2 Ex nC IIC T4 Europe DEMKO EEx nC IIC T4 Safety...

Page 16: ...standards for electrical equipment for measurement control and laboratory use EN 61326 IEC 61326 Class A emissions Basic immunity EN 55011 CISPR 11 Group 1 Class A emissions AS NZS CISPR 11 Group 1 Cl...

Page 17: ...duct Certification Refer to the product Declaration of Conformity DoC for additional regulatory compliance information To obtain product certifications and the DoC for this product visit ni com certif...

Page 18: ...se only but may be used outdoors if installed in a suitable enclosure Refer to the manual for the chassis you are using for more information about meeting these specifications Operating temperature IE...

Page 19: ...ronment and to NI customers For additional environmental information refer to the NI and the Environment Web page at ni com environment This page contains the environmental regulations and directives...

Page 20: ...ngineers National Instruments corporate headquarters is located at 11500 North Mopac Expressway Austin Texas 78759 3504 National Instruments also has offices located around the world to help address y...

Page 21: ...4 Germany 49 89 7413130 India 91 80 41190000 Israel 972 3 6393737 Italy 39 02 41309277 Japan 0120 527196 Korea 82 02 3451 3400 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710 Mexico 01 800 010 0793 Neth...

Page 22: ...n ni com legal for more information about National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies For patents cover...

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