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Figure 2.

 Increasing the Current to a Device Connected to the NI 9477

NI 9477

DO3

DO1

DO0

DO2

4 A

+
_

COM

1 A

1 A

1 A

1 A

External
Power 
Supply

Device

NI 9477 Getting Started Guide

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© National Instruments

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13

Содержание NI-9477

Страница 1: ...NI 9477...

Страница 2: ...GETTING STARTED GUIDE NI 9477 32 DO 0 V to 60 V Sinking 8 s...

Страница 3: ...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 9477 only as described in this document Cauti...

Страница 4: ...tand test Measurement Category 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 electrica...

Страница 5: ...circuits are not intended for direct connection to the MAINS building installations of Measurement Categories CAT II CAT III or CAT IV Safety Guidelines for Hazardous Locations The NI 9477 is suitabl...

Страница 6: ...the system in an enclosure rated to at least IP54 as defined by IEC EN 60079 15 Caution For Division 2 and Zone 2 applications install a protection device across the external power supply and the COM...

Страница 7: ...ces do not exceed 140 of the rated voltage Caution The system shall only be used in an area of not more than Pollution Degree 2 as defined in IEC 60664 1 Caution The system shall be mounted in an ATEX...

Страница 8: ...television reception and prevent unacceptable performance degradation install and use this product in strict accordance with the instructions in the product documentation Furthermore any changes or mo...

Страница 9: ...ure that the desired EMC performance is attained Preparing the Environment Ensure that the environment in which you are using the NI 9477 meets the following specifications Operating temperature IEC 6...

Страница 10: ...O25 DO26 DO27 DO28 DO29 DO30 DO31 DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 COM COM DO8 DO9 DO10 DO11 DO12 DO13 DO14 DO15 NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 3...

Страница 11: ...on NC No connection Connecting Digital Devices You can connect a variety of industrial devices such as solenoids motors actuators relays and lamps to the NI 9477 You must connect an external power sup...

Страница 12: ...modules from your system if the external power supply connected to the Vsup and COM pins is powered on Ensure that the devices you connect to the NI 9477 are compatible with the output specifications...

Страница 13: ...ou can connect any number of channels together in parallel For example if you want to drive 4 A of current connect DO0 through DO3 in parallel as shown in the following figure You must turn all parall...

Страница 14: ...igure 2 Increasing the Current to a Device Connected to the NI 9477 NI 9477 DO3 DO1 DO0 DO2 4 A _ COM 1 A 1 A 1 A 1 A External Power Supply Device NI 9477 Getting Started Guide National Instruments 13...

Страница 15: ...tive or energy storing device such as a solenoid motor or relay and the device does not have flyback protection install an external flyback diode Figure 3 Connecting a Flyback Diode Inductive Device N...

Страница 16: ...ompactRIO NI CompactDAQ RELATED INFORMATION NI 9477 Datasheet NI RIO Help LabVIEW FPGA Help NI 9477 Datasheet NI DAQmx Help LabVIEW Help C Series Documentation Resources ni com info cseriesdoc Service...

Страница 17: ...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 Co...

Страница 18: ...tes 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 b...

Страница 19: ...arty 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 relev...

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