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OPERATING INSTRUCTIONS AND SPECIFICATIONS

NI 9426

32-Channel, 24 V, Sourcing Digital Input Module

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Summary of Contents for NI 9426

Page 1: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9426 32 Channel 24 V Sourcing Digital Input Module ni com manuals Deutsch Fran ais...

Page 2: ...on Visit ni com info and enter cseriesdoc for information about C Series documentation Note The safety guidelines and specifications in this document are specific to the NI 9426 The other components i...

Page 3: ...local electrical standards Caution Do not mix hazardous voltage circuits and human accessible circuits on the same module Caution Make sure that devices and circuits connected to the module are proper...

Page 4: ...unless power has been switched off or the area is known to be nonhazardous Caution Do not remove modules unless power has been switched off or the area is known to be nonhazardous Caution Substitution...

Page 5: ...IC T4 Ex nA IIC T4 or Ex nL IIC T4 equipment Special Conditions for Marine Applications Some modules are Lloyd s Register LR Type Approved for marine applications To verify Lloyd s Register certificat...

Page 6: ...simultaneously sampled digital input channels Figure 1 NI 9426 Pin Assignments DI16 DI17 DI18 DI19 DI20 DI21 DI22 DI23 Vsup Vsup DI24 DI25 DI26 DI27 DI28 DI29 DI30 DI31 DI0 DI1 DI2 DI3 DI4 DI5 DI6 DI...

Page 7: ...NI 9426 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 4 wire sinking output devices to t...

Page 8: ...t device drives the input below Vsup and meets the input ON range The channel registers as OFF when the device does not drive the input low and is in the input OFF range If no device is connected to t...

Page 9: ...ode Visit ni com info and enter cseriesdoc for information about C Series documentation Typically when a system is in sleep mode you cannot communicate with the modules In sleep mode the system consum...

Page 10: ...ge1 Vsup 5 V Input current 150 A from DI pin ON state Input voltage1 Vsup 10 V Input current 330 A from DI pin Hysteresis Input voltage 1 9 V min Input current 65 A min Input impedance 30 k 5 I O prot...

Page 11: ...for Bellcore MTBF specifications at other temperatures or for MIL HDBK 217F specifications 1 Hold time is the amount of time input signals must be stable after initiating a read from the module 2 Setu...

Page 12: ...x Thermal dissipation at 70 C Active mode 1 35 W max Sleep mode 1 16 W max Physical Characteristics If you need to clean the module wipe it with a dry towel Weight 147 g 5 2 oz Safety Safety Voltages...

Page 13: ...y connected to the electrical distribution system referred to as MAINS voltage MAINS is a hazardous live electrical supply system that powers equipment This category is for measurements of voltages fr...

Page 14: ...1010 1 EN 61010 1 UL 61010 1 CSA 61010 1 Note For UL and other safety certifications refer to the product label or visit ni com certification search by module number or product line and click the appr...

Page 15: ...re Refer to the manual for the chassis you are using for more information about meeting these specifications Operating temperature IEC 60068 2 1 IEC 60068 2 2 40 to 70 C Storage temperature IEC 60068...

Page 16: ...IEC 60068 2 27 30 g 11 ms half sine 50 g 3 ms half sine 18 shocks at 6 orientations Electromagnetic Compatibility This product is designed to meet the requirements of the following standards of EMC fo...

Page 17: ...n of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product visit ni com certification search by module number or product line and clic...

Page 18: ...tal information not included in this document Waste Electrical and Electronic Equipment WEEE EU Customers At the end of their life cycle all products must be sent to a WEEE recycling center For more i...

Page 19: ...504 National Instruments also has offices located around the world to help address your support needs For telephone support in the United States create your service request at ni com support and follo...

Page 20: ...uments products refer to the appropriate location Help Patents in your software the patents txt file on your media or ni com patents Korea 82 02 3451 3400 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710...

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