National Instruments NI 9411 Operating Instructions And Specifications
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National Instruments NI 9411 Operating Instructions And Specifications

6-channel differential digital input module
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National Instruments NI 9411 Operating Instructions And Specifications

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  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9411 6-Channel Differential Digital Input Module Français Deutsch ni.com/manuals Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 This document describes how to use the National Instruments 9411 and includes specifications and pin assignments for the NI 9411. Visit and enter to determine which ni.com/info rdsoftwareversion software you need for the modules you are using. For information about installing, configuring, and programming the system, refer to the system documentation.

  • Page 4: Safety Guidelines For Hazardous Locations

    Touching this component may result in bodily injury. Safety Guidelines for Hazardous Locations The NI 9411 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;...
  • Page 5 II 3G and is suitable for use in Zone 2 hazardous locations, in ambient temperatures of –40 °C  Ta  70 °C. If you are using the NI 9411 in Gas Group IIC hazardous locations, you must use the device in an NI chassis that has been evaluated as Ex nC IIC T4, EEx nC IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.
  • Page 6 © National Instruments Corp. NI 9411 Operating Instructions and Specifications Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 7 Connecting the NI 9411 The NI 9411 has a 15-pin DSUB connector that provides connections for 6 digital input channels. DI0a DI0b DI1a DI1b DI2a DI2b Supply (+5 V Supply (+5 V DI3b DI3a DI4b DI4a DI5b DI5a Figure 1. NI 9411 Pin and Terminal Assignments NI 9411 Operating Instructions and Specifications ni.com...
  • Page 8 5 V pins. If the external device is already powered, you do not need to connect a power supply to the NI 9411 or connect the +5 V pin to the external device. Refer to the...
  • Page 9 +5 V +5 V Receiver Circuitry – Differential Device NI 9411 Figure 2. Connecting a Differential Device to the NI 9411 NI 9411 Operating Instructions and Specifications ni.com Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 10 DI pins. Figure 3 shows the connections for one differential encoder. © National Instruments Corp. NI 9411 Operating Instructions and Specifications Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 11 DI2a Index+ Receiver DI2b Index– Circuitry Differential Encoder NI 9411 Figure 3. Connecting a Differential Encoder to the NI 9411 NI 9411 Operating Instructions and Specifications ni.com Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 12 Connecting Single-Ended Devices to the NI 9411 You can connect single-ended (TTL) devices to the NI 9411. Connect the signal to the DIa pin, but do not connect a signal to the DIb pin in the pair. You must leave the second signal in the set of signals unconnected.
  • Page 13 Connect each of the signals of the encoder (phase A, phase B, and index) to a DI pin. Figure 5 shows the connections for one single-ended encoder. NI 9411 Operating Instructions and Specifications ni.com Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 14 Receiver DI2b Circuitry Single-Ended Encoder NI 9411 Figure 5. Connecting a Single-Ended Encoder to the NI 9411 © National Instruments Corp. NI 9411 Operating Instructions and Specifications Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 15: Wiring For High-Vibration Applications

    Wiring for High-Vibration Applications If an application is subject to high vibration, National Instruments recommends that you use ferrules to terminate wires to the detachable screw-terminal connector. Refer to Figure 6 for an illustration of using ferrules. Figure 6. 2-Terminal Detachable Screw-Terminal Connector with Ferrule NI 9411 Operating Instructions and Specifications ni.com...

  • Page 16: Sleep Mode

    Refer to the Specifications section for more information about power consumption and thermal dissipation. © National Instruments Corp. NI 9411 Operating Instructions and Specifications Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 17: Specifications

    Input high range ....2 to 24 V Input low range ....0 to 0.8 V Common-mode voltage is the average of DIa and DIb. NI 9411 Operating Instructions and Specifications ni.com Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 18 Case 3, Limited Part Stress Method Contact NI for Bellcore MTBF specifications Note at other temperatures or for MIL-HDBK-217F specifications. © National Instruments Corp. NI 9411 Operating Instructions and Specifications Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 19: Power Requirements

     6 V Current........200 mA Short-circuit protection ....400 mA Note The NI 9411 does not provide overvoltage protection. NI 9411 Operating Instructions and Specifications ni.com Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 20: Physical Characteristics

    (4.4 to 5.3 lb · in.) Ferrules ..........0.25 mm to 0.5 mm Weight..........136 g (4.8 oz) © National Instruments Corp. NI 9411 Operating Instructions and Specifications Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 21 Such voltage measurements include signal levels, special equipment, limited-energy parts of equipment, circuits powered by regulated low-voltage sources, and electronics. NI 9411 Operating Instructions and Specifications ni.com Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 22 Caution Do not connect the NI 9411 to signals or use 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) .........

  • Page 23: Electromagnetic Compatibility

    For the standards applied to assess the EMC of this product, refer to the Online Product Certification section. Note For EMC compliance, operate this device with shielded cables. NI 9411 Operating Instructions and Specifications ni.com Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 24: Online Product Certification

    , search by module number or product line, certification and click the appropriate link in the Certification column. © National Instruments Corp. NI 9411 Operating Instructions and Specifications Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 25: Shock And Vibration

    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.

  • Page 26: Environmental Management

    Maximum altitude......2,000 m Pollution Degree ....... 2 Environmental Management National Instruments is committed to designing and manufacturing 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.
  • Page 27 Electronic Equipment, visit ni.com/environment/ weee National Instruments (RoHS) National Instruments RoHS (For information ni.com/environment/rohs_china about China RoHS compliance, go to ni.com/ environment/rohs_china NI 9411 Operating Instructions and Specifications ni.com Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 28: Where To Go For Support

    Where to Go for Support The National Instruments Web site is your complete resource for technical support. At you have access to ni.com/support everything from troubleshooting and application development self-help resources to email and phone assistance from NI Application Engineers.
  • Page 29 Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545 National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to 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 companies.
  • Page 30 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

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