National Instruments NI 9401 User Manual Download

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OPERATING INSTRUCTIONS AND SPECIFICATIONS

NI 9401

8-Channel, TTL Digital Input/Output Module

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Summary of Contents for NI 9401

Page 1: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9401 8 Channel TTL Digital Input Output 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: ...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 Follow these guidelines if you are installing...

Page 4: ...e within the following limit Capacitance 0 2 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 A...

Page 5: ...arch for the 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...

Page 6: ...has a 25 pin DSUB connector that provides connections for eight digital input output channels Figure 1 NI 9401 Pin Assignments COM NC COM COM NC COM COM NC COM COM NC COM COM DIO0 NC DIO1 DIO2 NC DIO...

Page 7: ...ne containing channels 4 5 6 and 7 You can independently configure each digital port in software for input or output Note that all four channels in the port must share the same line direction Refer to...

Page 8: ...ice to the NI 9401 In this example the three channels assigned to output signals are on one port and the channel assigned to an input signal is on the other port Figure 2 Connecting an SPI Device to t...

Page 9: ...ions and Specifications Figure 3 illustrates how to connect several types of digital devices to the NI 9401 Figure 3 Connecting Digital Devices to the NI 9401 TTL Signal 5 V 5 V LED DIO0 as Input DIO1...

Page 10: ...xceeding the specified maximum switching frequency or the output load the module power supply begins to drop in voltage until it completely turns off or the overcurrent condition is removed When the m...

Page 11: ...or sleep mode 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 documentatio...

Page 12: ...following specifications are typical for the range 40 to 70 C unless otherwise noted All voltages are relative to COM unless otherwise noted Input Output Characteristics Number of channels 8 DIO chan...

Page 13: ...g Instructions and Specifications Digital logic levels Input Voltage 5 25 V max High VIH 2 V min Low VIL 0 8 V max Output High VOH 5 25 V max Sourcing 100 A 4 7 V min Sourcing 2 mA 4 3 V min Low VOL S...

Page 14: ...number of output channels with an output load of 1 mA 50 pF per channel 8 output channels 5 MHz 4 output channels 10 MHz 2 output channels 20 MHz I O propagation delay 100 ns max I O pulse width disto...

Page 15: ...te Contact NI for Bellcore MTBF specifications at other temperatures or for MIL HDBK 217F specifications Power Requirements Power consumption from chassis Active mode 580 mW max Sleep mode 1 mW max Th...

Page 16: ...None Channel to earth ground Continuous 60 VDC Measurement Category I Withstand 1 000 Vrms verified by a 5 s dielectric withstand test Measurement Category I is for measurements performed on circuits...

Page 17: ...rces and electronics Caution Do not connect the NI 9401 to signals or use for measurements within Measurement Categories II III or IV Safety Standards This product is designed to meet the requirements...

Page 18: ...T4 Europe DEMKO EEx nC IIC T4 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...

Page 19: ...56 5 to 95 RH noncondensing Maximum altitude 2 000 m Pollution Degree IEC 60664 2 Shock and Vibration To meet these specifications you must panel mount the system Operating vibration Random IEC 60068...

Page 20: ...1 Class A CE C Tick ICES and FCC Part 15 Emissions Class A Note For EMC compliance operate this device with shielded cabling CE Compliance This product meets the essential requirements of applicable...

Page 21: ...oducts is beneficial not only to the environment but also to NI customers For additional environmental information refer to the NI and the Environment Web page at ni com environment This page contains...

Page 22: ...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 23: ...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 24: ...the Terms of Use section on 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 c...

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