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NI 9401 Operating Instructions and Specifications

Caution

Do 

not

 disconnect I/O-side wires or connectors 

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 of components may impair 

suitability for Class I, Division 2.

Caution

For Division 2 and Zone 2 applications, install 

the system in an enclosure rated to at least IP 54 as 
defined by IEC 60529 and EN 60529.

Caution

For Division 2 and Zone 2 applications, 

connected signals must be within the following limit:

Capacitance.......................... 0.2 

μ

F max

Summary of Contents for NI 9401

Page 1: ...derutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In s...

Page 2: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9401 8 Channel TTL Digital Input Output Module ni com manuals Deutsch Fran ais...

Page 3: ...ocumentation compatibility for information about chassis and carrier compatibility for the modules you are using rdsoftwareversion forinformation about whichsoftware you need for the modules you are u...

Page 4: ...sult in a hazard You can compromise the safety protection built into the product if the product is damaged in any way If the product is damaged return it to National Instruments for repair Safety Guid...

Page 5: ...nless power has been switched off or the area is known to be nonhazardous Caution Substitution of components may impair suitability for Class I Division 2 Caution For Division 2 and Zone 2 application...

Page 6: ...T4 Ex nA IIC T4 or Ex nL IIC T4 equipment Electromagnetic Compatibility Guidelines This product was tested and complies with the regulatory requirements and limits for electromagnetic compatibility EM...

Page 7: ...product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules Caution To ensure the specified EMC performance operate this product o...

Page 8: ...ite bead National Instruments part number 711627 01 oncablethatyouareconnectingtoNI 9401 The clamp on ferrite bead must be connected to the cable as close to the module as possible Placing the ferrite...

Page 9: ...he 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 in a meta...

Page 10: ...NI 9401 has a 25 pin DSUB connector that provides connections for eight digital input output channels Figure 2 NI 9401 Pin Assignments COM NC COM COM NC COM COM NC COM COM NC COM COM DIO0 NC DIO1 DIO2...

Page 11: ...ing 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 the softw...

Page 12: ...SPI device 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 3 Connecting an SPI Dev...

Page 13: ...Specifications Figure 4 illustrates how to connect several types of digital devices to the NI 9401 Figure 4 Connecting Digital Devices to the NI 9401 TTL Signal 5 V 5 V LED DIO0 as Input DIO1 as Input...

Page 14: ...odule is in this state it can accept new line direction configuration and output state data but cannot pass valid input data to the software Refer to the Specifications section for more information ab...

Page 15: ...t does in normal mode Refer to the Specifications section for more information about power consumption and thermal dissipation Specifications The following specifications are typical for the range 40...

Page 16: ...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 Sinking 100 A 0 1 V max Sinking 2 mA 0 4 V max Maximum input signal switching fr...

Page 17: ...2 output channels 20 MHz I O propagation delay 100 ns max I O pulse width distortion 10 ns typ Input current 0 V Vin 4 5 V 250 A typ Input capacitance 30 pF typ Input rise fall time 500 ns max Overvol...

Page 18: ...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 Thermal dissipation at 70 C Active mode 580 mW ma...

Page 19: ...M 30 V max on one channel at a time Measurement Category I Isolation Voltages Channel to channel None Channel to earth ground Continuous 60 VDC Measurement Category I Withstand 1 000 Vrms verified by...

Page 20: ...s 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...

Page 21: ...0 1 UL 61010 1 CSA 61010 1 Note For UL and other safety certifications refer to the product label or the Online Product Certification section Electromagnetic Compatibility This product meets the requi...

Page 22: ...ndustrial locations Note Group 1 equipment per CISPR 11 is any industrial scientific or medical equipment that does not intentionally generates radio frequency energy for the treatment of material or...

Page 23: ...ification search by module number or product line and click the appropriate link in the Certification column Shock and Vibration To meet these specifications you must panel mount the system Operating...

Page 24: ...bout meeting these specifications Operating temperature IEC 60068 2 1 IEC 60068 2 2 40 C to 70 C Storage temperature IEC 60068 2 1 IEC 60068 2 2 40 C to 85 C Ingress protection IP 40 Operating humidit...

Page 25: ...that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers For additional environmental information refer to the Minimize Our Environmental Im...

Page 26: ...nt to a 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 vi...

Page 27: ...ate 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 supp...

Page 28: ...mes of their respective companies For patents covering National Instruments products technology refer to the appropriate location Help Patents in your software the patents txt file on your media or th...

Page 29: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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