National Instruments NI 9425, Operating Instructions And Specifications

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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Page 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...