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NI NI 9425
32-Channel Sinking C Series Digital Input Module
(DSUB)
A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .
• C r i t i c a l a n d e x p e d i t e d s e r v i c e s
• I n s t o c k / R e a d y - t o - s h i p
Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate, representative, or authorized distributor for any manufacturer listed herein.
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• We b u y y o u r e x c e s s , u n d e r u t i l i z e d , a n d i d l e e q u i p me n t
• F u l l - s e r v i c e , i n d e p e n d e n t r e p a i r c e n t e r
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Summary of Contents for National Instruments 9425
- Page 1 NI NI 9425 32-Channel Sinking C Series Digital Input Module (DSUB) In Stock Used and in Excellent Condition Open Web Page https://www.artisantg.com/75302-2 A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .
- Page 2 OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9425 32-Channel, 24 V Sinking Digital Input Module Français Deutsch ni.com/manuals...
- Page 3 This document describes how to use the National Instruments 9425 and includes specifications and pin assignments for the NI 9425. Visit and enter to determine ni.com/info rdsoftwareversion which software you need for the modules you are using. For information about installing, configuring, and programming the system, refer to the system documentation.
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Page 4: Safety Guidelines For Hazardous Voltages
Safety Guidelines Operate the NI 9425 only as described in these operating instructions. This icon denotes that the component may be Hot Surface hot. Touching this component may result in bodily injury. Safety Guidelines for Hazardous Voltages If hazardous voltages are connected to the module, take the following precautions. -
Page 5: Safety Guidelines For Hazardous Locations
Safety Guidelines for Hazardous Locations The NI 9425 is suitable for use in Class I, Division 2, Groups A, B, C, D, T4 hazardous locations; Class I, Zone 2, AEx nC IIC T4, and Ex nC IIC T4 hazardous locations; and nonhazardous locations only. - Page 6 II 3G and is suitable for use in Zone 2 hazardous locations. If you are using the NI 9425 in Gas Group IIC hazardous locations or in ambient temperatures of –40 °C ≤ Ta ≤ 70 °C, you must use the device in an NI chassis that has been evaluated as EEx nC IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.
- Page 7 Power supply and module cables must be separated on opposite sides of the enclosure and must enter and exit through opposing enclosure walls. NI 9425 Operating Instructions and Specifications ni.com...
- Page 8 Connecting the NI 9425 The NI 9425 has a 37-pin DSUB connector that provides connections for 32 simultaneously-sampled digital input channels. DI16 DI17 DI18 DI19 DI20 DI21 DI22 DI23 DI24 DI25 DI10 DI26 DI11 DI27 DI12 DI28 DI13 DI29 DI14...
- Page 9 The NI 9425 has sinking inputs, meaning that when the device drives a current or applies a voltage to the DI pin, the pin provides a path to COM for the current or voltage. The NI 9425 internally limits current signals connected to DI. For more information about...
- Page 10 Power Supply NI 9425 Figure 2. Connecting a Device to the NI 9425 (Three-Wire Device Shown) The NI 9425 channel registers as ON when the sourcing-output device applies a voltage or drives a current that is in the input ON range to the DI pin.
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Page 11: Sleep Mode
In sleep mode, the system consumes minimal power and may dissipate less heat than it does in normal mode. Refer to the Specifications section for more information about power consumption and thermal dissipation. NI 9425 Operating Instructions and Specifications ni.com... -
Page 12: Specifications
Input current......≤150 μA ON state Input voltage ......≥10 V Input current......≥330 μA Hysteresis Input voltage ......2 V min Input current......60 μA min Input impedance........ 30 kΩ ± 5% © National Instruments Corp. NI 9425 Operating Instructions and Specifications... - Page 13 Setup time is the amount of time input signals must be stable before reading from the module. The update/transfer time is valid when the module is used in a CompactRIO system. When used in other systems, driver software and system latencies impact this time. NI 9425 Operating Instructions and Specifications ni.com...
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Page 14: Power Requirements
Active mode ....... 1.45 W max Sleep mode ......... 1 W max Physical Characteristics If you need to clean the module, wipe it with a dry towel. Weight..........147 g (5.2 oz) © National Instruments Corp. NI 9425 Operating Instructions and Specifications... - Page 15 This category is for measurements of voltages from specially protected secondary circuits. Such voltage measurements include signal levels, special equipment, limited-energy parts of equipment, circuits powered by regulated low-voltage sources, and electronics. NI 9425 Operating Instructions and Specifications ni.com...
- Page 16 Do not connect the NI 9425 to signals or use Caution for measurements within Measurement Categories II, III, or IV. Hazardous 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) .........
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Page 17: Electromagnetic Compatibility
ICES-001: Class A emissions For the standards applied to assess the EMC of this Note product, refer to the Online Product Certification section. For EMC compliance, operate this device with Note shielded cabling. NI 9425 Operating Instructions and Specifications ni.com... -
Page 18: Online Product Certification
To meet these specifications, you must panel mount the system. Operating vibration Random (IEC 60068-2-64)..5 g , 10 to 500 Hz Sinusoidal (IEC 60068-2-6) ..5 g, 10 to 500 Hz © National Instruments Corp. NI 9425 Operating Instructions and Specifications... - Page 19 18 shocks at 6 orientations Environmental National Instruments C Series modules are intended for indoor use 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.
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Page 20: Environmental Management
At the end of the life cycle, all products EU Customers must be sent to a WEEE recycling center. For more information about WEEE recycling centers and National Instruments WEEE initiatives, visit ni.com/ environment/weee © National Instruments Corp. NI 9425 Operating Instructions and Specifications... -
Page 21: Where To Go For Support
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 your support needs. For telephone support in the United States, create your service request at ni.com/support... - Page 22 Sweden 46 (0) 8 587 895 00, Switzerland 41 56 2005151, Taiwan 886 02 2377 2222, Thailand 662 278 6777, Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545 © National Instruments Corp. NI 9425 Operating Instructions and Specifications...
- Page 23 National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on for more information about National Instruments trademarks. Other product and ni.com/legal company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products/technology, refer to the appropriate location: Help»Patents in your software, the...
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