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NI 9425E Operating Instructions and Specifications

Note

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

Thermal dissipation (at 70 °C)

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............................................... 43 g (1.5 oz)

Safety

Safety Voltages

Connect only voltages that are within the following limits.
Channel-to-COM .............................. 60 VDC max

Содержание NI 9425

Страница 1: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9425E 32 Channel 24 V Sinking Digital Input Module...

Страница 2: ...formation about C Series documentation Caution National Instruments makes no electromagnetic compatibility EMC or CE marking compliance claims for the NI 9425E The end product supplier is responsible...

Страница 3: ...s and Specifications National Instruments 3 NI 9425E Dimensions The following figure shows the dimensions of the NI 9425E Figure 1 NI 9425E Dimensions in Millimeters Inches 73 4 2 89 0 0 0 00 26 7 1 0...

Страница 4: ...32 simultaneously sampled digital input channels Figure 2 NI 9425E 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 DI5 DI6...

Страница 5: ...ning 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 9425E internally limits current signals connected to DI F...

Страница 6: ...igure 3 Connecting a Device to the NI 9425E Three Wire Device Shown The NI 9425E channel registers as ON when the sourcing output device applies a voltage or drives a current that is in the input ON r...

Страница 7: ...e chassis that the module is plugged into Refer to the chassis manual for information about support for sleep mode If the chassis supports sleep mode refer to the software help for information about e...

Страница 8: ...erwise 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 Input voltage...

Страница 9: ...VDC max 32 channels 30 VDC max Hold time1 0 s min Setup time2 1 s min Update transfer time 7 s max MTBF 1 256 699 hours at 25 C Bellcore Issue 2 Method 1 Case 3 Limited Part Stress Method 1 Hold time...

Страница 10: ...er Requirements Power consumption from chassis Active mode 410 mW max Sleep mode 0 5 mW max Thermal dissipation at 70 C Active mode 1 45 W max Sleep mode 1 W max Physical Characteristics If you need t...

Страница 11: ...erified by a 5 s dielectric withstand test Measurement Category I is for measurements performed on circuits not directly connected to the electrical distribution system referred to as MAINS voltage MA...

Страница 12: ...urement circuits are not intended for direct connection to the MAINS building installations of Measurement Categories CAT II CAT III or CAT IV Safety Standards This product meets the requirements of t...

Страница 13: ...nd the DoC for this product visit ni com certification search by module number or product line and click the appropriate link in the Certification column Shock and Vibration To meet these specificatio...

Страница 14: ...0 to 85 C Note Measure the local ambient temperature by placing thermocouples on both sides of the PCB 0 2 in 5 mm from the board surface Avoid placing thermocouples next to hot components such as the...

Страница 15: ...g products in an environmentally responsible manner NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers For additional en...

Страница 16: ...WEEE recycling center For more information about WEEE recycling centers National Instruments WEEE initiatives and compliance with WEEE Directive 2002 96 EC on Waste and Electronic Equipment visit ni...

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Страница 18: ...icy and how to obtain relevant HTS codes ECCNs and other import export data NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR...