National Instruments NI 9476 User Manual Download

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OPERATING INSTRUCTIONS AND SPECIFICATIONS

NI 9476

32-Channel, 24 V, Sourcing Digital Output Module

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Summary of Contents for NI 9476

Page 1: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9476 32 Channel 24 V Sourcing Digital Output Module ni com manuals Deutsch Français ...

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 document are specific to the NI 9476 The other components in the system might not meet the same safety ratings and specifications Refer to the documentation for each component in the system to determi...

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 the NI 9476 in a potentially explosive environment Not following these guidelines may result in serious injury or death Caution Do not disconnect I O side wires or connectors unless power has been s...

Page 4: ... device must prevent the Vsup to COM voltage from exceeding 50 V if there is a transient overvoltage condition Special Conditions for Hazardous Locations Use in Europe This equipment has been evaluated as EEx nC IIC T4 equipment under DEMKO Certificate No 03 ATEX 0324020X Each module is marked II 3G and is suitable for use in Zone 2 hazardous locations If you are using the NI 9476 in Gas Group IIC...

Page 5: ...earch 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 in a metal enclosure Suppression ferrites must be installed on power supply inputs near power entries to modules and controllers Power supply and module cables must be separated on opposite sides of...

Page 6: ...ions for 32 digital output channels Figure 1 NI 9476 Pin Assignments DO16 DO17 DO18 DO19 DO20 DO21 DO22 DO23 Vsup Vsup DO24 DO25 DO26 DO27 DO28 DO29 DO30 DO31 DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 Vsup Vsup DO8 DO9 DO10 DO11 DO12 DO13 DO14 DO15 COM 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 32 33 34 35 36 37 ...

Page 7: ...the positive lead of the power supply to the supply pin Vsup and the negative lead of the power supply to the common pin COM Refer to the Specifications section for information about the power supply voltage range Note The Vsup pins are internally connected You can connect only one external voltage supply to the device Caution Do not remove or insert modules if the external power supply connected ...

Page 8: ...e the devices you connect to the NI 9476 are compatible with the output specifications of the module Refer to the Specifications section for more information about the output specifications Connect the device to DO and COM and connect the external power supply to Vsup and COM as shown in Figure 2 Figure 2 Connecting a Device to the NI 9476 NI 9476 _ COM Vsup Device DO External Power Supply ...

Page 9: ...number of channels together in parallel For example if you want to drive 1 A of current connect DO 0 3 in parallel as shown in Figure 3 You must turn all parallel channels on and off simultaneously so that the current on any single channel cannot exceed the 250 mA rating Figure 3 Increasing the Current to a Device Connected to the NI 9476 NI 9476 250 mA 250 mA 250 mA 250 mA DO3 DO1 DO0 DO2 1 A _ D...

Page 10: ...le is switching an inductive or energy storing device such as a solenoid motor or relay and the device does not have flyback protection install an external flyback diode as shown in Figure 4 Figure 4 Connecting a Flyback Diode to the NI 9476 External Power Supply NI 9476 _ COM Vsup Inductive Device DO Flyback Diode ...

Page 11: ... under overvoltage and reverse bias voltage conditions Check the voltage specifications for all devices that you connect to the NI 9476 Excessive current through a DO pin causes the channel to go into an overcurrent state In an overcurrent state the channel cycles off and on until the short circuit is removed or the current returns to an acceptably low level Refer the Specifications section for ty...

Page 12: ...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 documentation Typically when a system is in sleep mode you cannot communicate with the modules In sleep mode the system consumes minimal power and may dissipate less heat than it does in normal mode Refer to the Specifica...

Page 13: ... are relative to COM unless otherwise noted Output Characteristics Number of channels 32 digital output channels Output type Sourcing Output voltage V0 Vsup I0R0 Power on output state Channels off External power supply voltage range Vsup 6 36 VDC Continuous output current I0 per channel With 6 30 VDC supply voltage 250 mA max With 30 36 VDC supply voltage 200 mA max Output impedance R0 0 3 Ω max ...

Page 14: ... None Current limiting None Short circuit protection Indefinitely protected when a channel is shorted to COM or to a voltage up to Vsup Trip current for one channel With all other channels at rated current 3 A typ With all other channels off 5 A typ Vsup current consumption 28 mA max Maximum update rate 40 μs max Propagation delay 500 μs max ...

Page 15: ...ote Contact NI for Bellcore MTBF specifications at other temperatures or for MIL HDBK 217F specifications Power Requirements Power consumption from chassis Active mode 250 mW max Sleep mode 25 μW max Thermal dissipation at 70 C Active mode 1 5 W max Sleep mode 30 mW max Physical Characteristics If you need to clean the module wipe it with a dry towel Weight 147 g 5 2 oz ...

Page 16: ...NS 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 circuits powered by regulated low voltage sources and electronics Caution Do not connect the NI 9476 to signals or use for measurements with...

Page 17: ... 5 s dielectric withstand test Safety Standards This product is designed to meet the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use IEC 61010 1 EN 61010 1 UL 61010 1 CSA 61010 1 Note For UL and other safety certifications refer to the product label or visit ni com certification search by module number or product line and click ...

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 the chassis you are using for more information about meeting these specifications Operating temperature IEC 60068 2 1 IEC 60068 2 2 40 to 70 C Storage temperature IEC 60068 2 1 IEC 60068 2 2 40 to 8...

Page 19: ...2 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 2 64 5 grms 10 to 500 Hz Sinusoidal IEC 60068 2 6 5 g 10 to 500 Hz Operating shock IEC 60068 2 27 30 g 11 ms half sine 50 g 3 ms half sine 18 shocks at 6 orientations ...

Page 20: ...meet the requirements of the following standards of EMC for electrical equipment for measurement control and laboratory use EN 61326 EMC requirements Industrial Immunity EN 55011 Emissions Group 1 Class A CE C Tick ICES and FCC Part 15 Emissions Class A Note For EMC compliance operate this device with shielded cabling ...

Page 21: ...on of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product visit ni com certification search by module number or product line and click the appropriate link in the Certification column Environmental Management National Instruments is committed to designing and manufacturing products in an environmentally responsible manner NI recog...

Page 22: ...in this document Waste Electrical and Electronic Equipment WEEE EU Customers At the end of their life cycle all products must be sent to a WEEE recycling center For more information about WEEE recycling centers and National Instruments WEEE initiatives visit ni com environment weee htm ᄤֵᙃѻક ᶧ ࠊㅵ ࡲ Ё RoHS Ё ᅶ National Instruments ヺড়Ё ᄤֵᙃ ѻકЁ䰤ࠊՓ ᶤѯ ᆇ 䋼ᣛҸ RoHS Ǆ Ѣ National Instruments Ё RoHS ড়㾘ᗻֵᙃˈ䇋...

Page 23: ...3504 National Instruments also has offices located around the world to help address your support needs For telephone support in the United States create your service request at ni com support and follow the calling instructions or dial 512 795 8248 For telephone support outside the United States contact your local branch office Australia 1800 300 800 Austria 43 662 457990 0 Belgium 32 0 2 757 0020...

Page 24: ...ruments products refer to the appropriate location Help Patents in your software the patents txt file on your media or ni com patents Korea 82 02 3451 3400 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710 Mexico 01 800 010 0793 Netherlands 31 0 348 433 466 New Zealand 0800 553 322 Norway 47 0 66 90 76 60 Poland 48 22 3390150 Portugal 351 210 311 210 Russia 7 495 783 6851 Singapore 1800 226 5886 Slove...

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