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Connecting the NI 9411

The NI 9411 provides connections for 6 digital input channels.

NI 9411 Getting Started Guide

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© National Instruments

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Содержание NI 9411

Страница 1: ...GETTING STARTED GUIDE NI 9411 6 DI 5 V to 24 V Differential Single Ended 500 ns ...

Страница 2: ... Refer to the documentation for each component in the system to determine the safety and EMC ratings for the entire system Safety Guidelines Operate the NI 9411 only as described in this document Caution Do not operate the NI 9411 in a manner not specified in this document Product misuse can result in a hazard You can compromise the safety protection built into the product if the product is damage...

Страница 3: ...y I is for measurements performed on circuits not directly connected to the electrical distribution system referred to as MAINS voltage MAINS is a hazardous live electrical supply system that powers equipment This category is for measurements of voltages from specially protected secondary circuits Such voltage measurements include signal levels special equipment limited energy parts of equipment c...

Страница 4: ...es 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 nA IIC T4 and Ex nA IIC T4 hazardous locations and nonhazardous locations only Follow these guidelines if you are installing the NI 9411 in a potentially explosive environment Not following these guidelines may result in serious injury or death Caution Do not di...

Страница 5: ...ween the Vsup and COM terminals on the NI 9411 The device must prevent the input Vsup to COM voltage from exceeding 42 V if a transient overvoltage condition occurs Special Conditions for Hazardous Locations Use in Europe and Internationally The NI 9411 has been evaluated as Ex nA IIC T4 Gc equipment under DEMKO Certificate No 03 ATEX 0324020X and is IECEx UL 14 0089X certified Each NI 9411 is mar...

Страница 6: ...1 Caution The system shall be mounted in an ATEX IECEx certified enclosure with a minimum ingress protection rating of at least IP54 as defined in IEC EN 60079 15 Caution The enclosure must have a door or cover accessible only by the use of a tool Electromagnetic Compatibility Guidelines This product was tested and complies with the regulatory requirements and limits for electromagnetic compatibil...

Страница 7: ...adation install and use this product in strict accordance with the instructions in the product documentation Furthermore any changes or modifications to the product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules Special Conditions for Marine Applications Some products are Lloyd s Register LR Type Approved for marine shipboar...

Страница 8: ...sure that the desired EMC performance is attained Preparing the Environment Ensure that the environment in which you are using the NI 9411 meets the following specifications Operating temperature IEC 60068 2 1 IEC 60068 2 2 40 C to 70 C Operating humidity IEC 60068 2 78 10 RH to 90 RH noncondensing Pollution Degree 2 Maximum altitude 2 000 m Indoor use only Note Refer to the device datasheet on ni...

Страница 9: ...Connecting the NI 9411 The NI 9411 provides connections for 6 digital input channels NI 9411 Getting Started Guide National Instruments 9 ...

Страница 10: ...igure 1 NI 9411 Pinout Vsup COM DI0a DI1a DI2a Supply 5 Vout Supply 5 Vout DI3a DI4a DI5a DI0b DI1b DI2b COM DI3b DI4b DI5b 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 10 ni com NI 9411 Getting Started Guide ...

Страница 11: ...gnal Descriptions Signal Description COM Common reference connection to isolated ground DIa and DIb Digital input signal connections Supply 5 Vout 5 V power output connection for external devices Table 2 Screw Terminal Connector Signal Descriptions Signal Description COM Common reference connection to isolated ground Vsup Voltage supply connection NI 9411 Getting Started Guide National Instruments...

Страница 12: ...provides power for external devices through the NI 9411 5 Vout terminal Connecting an external power supply to the NI 9411 is optional depending on your application Figure 2 Connecting an External Power Supply COM Vsup COM NI 9411 Receiver Circuitry DIa DIb 5 V Reg 5 Vout External Power Supply 12 ni com NI 9411 Getting Started Guide ...

Страница 13: ...pply COM Vsup COM NI 9411 DIa 5 Vout DIb Differential Device 5 V Reg Receiver Circuitry 5 V GND The NI 9411 compares the difference between DIa and DIb to the digital logic levels to determine if the signal is in the high range or low range Tip Refer to the device datasheet at ni com manuals for the digital logic levels NI 9411 Getting Started Guide National Instruments 13 ...

Страница 14: ...le Ended Device to the NI 9411 External Power Supply COM Vsup COM NI 9411 Receiver Circuitry out Single Ended Device DIa DIb 5 V Reg 5 Vout GND 5 V The NI 9411 compares the difference between DIa and COM to the digital logic levels to determine if the signal is in the high range or low range 14 ni com NI 9411 Getting Started Guide ...

Страница 15: ...encoder has phase A phase B and index signals Use the phase A signals to measure rotational speed Use the phase B signals to measure direction Use the index signals to measure the number of rotations You can connect differential and single ended encoders to the NI 9411 NI 9411 Getting Started Guide National Instruments 15 ...

Страница 16: ... the NI 9411 External Power Supply A B 5 V GND Differential Encoder DI0a DI0b COM NI 9411 A B Index Index DI1a DI1b DI2a DI2b Vsup COM 5 Vout 5 V Reg Receiver Circuitry Receiver Circuitry Receiver Circuitry 16 ni com NI 9411 Getting Started Guide ...

Страница 17: ... B Index 5 V GND Single Ended Encoder Vsup COM NI 9411 5 V Reg DI0a DI0b 5 Vout COM DI1a DI1b DI2a DI2b Receiver Circuitry Receiver Circuitry Receiver Circuitry I O Protection The NI 9411 provides I O protection for each channel NI 9411 Getting Started Guide National Instruments 17 ...

Страница 18: ...h Vibration Application Connections If your application is subject to high vibration NI recommends that you follow these guidelines to protect connections to the NI 9411 Use ferrules to terminate wires to the detachable connector Use the NI 9948 backshell kit 18 ni com NI 9411 Getting Started Guide ...

Страница 19: ...CompactRIO NI CompactDAQ RELATED INFORMATION NI 9411 Datasheet NI RIO Help LabVIEW FPGA Help NI 9411 Datasheet NI DAQmx Help LabVIEW Help C Series Documentation Resources ni com info cseriesdoc Services ni com services NI 9411 Getting Started Guide National Instruments 19 ...

Страница 20: ...r NI product Product registration facilitates technical support and ensures that you receive important information updates from NI A Declaration of Conformity DoC is our claim of compliance with the Council of the European Communities using the manufacturer s declaration of conformity This system affords the user protection for electromagnetic compatibility EMC and product safety You can obtain th...

Страница 21: ...ates create your service request at ni com support or dial 1 866 ASK MYNI 275 6964 For telephone support outside the United States visit the Worldwide Offices section of ni com niglobal to access the branch office websites which provide up to date contact information support phone numbers email addresses and current events NI 9411 Getting Started Guide National Instruments 21 ...

Страница 22: ...party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for the NI global trade compliance policy 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 ANY ERRORS U S Government...

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