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NI 9472/9474

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Connecting the NI 9472/9474

The NI 9472/9474 provides connections for eight digital o

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tp

u

t

channels.

Figure 2.

NI 9472/9474 Terminal and Pin Assignments

DO0
DO1
DO2
DO3
DO4
DO5
DO6
DO7
Vsup
COM

0
1
2
3
4
5
6
7
8
9

COM
Vsup
COM
COM
Vsup
COM
COM
Vsup
COM
COM
Vsup
COM
COM

DO0
Vsup
DO1
DO2
Vsup
DO3
DO4
Vsup
DO5
DO6
Vsup
DO7

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

0

3

4

7

0

3

4

7

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Содержание NI 9472

Страница 1: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9472 9474 8 Channel Digital Output Modules ni com manuals Deutsch Français ...

Страница 2: ...figuring 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 9472 9474 The other components in the system might not meet the same safety ratings and specifications Refer to the documentation for each component in the syst...

Страница 3: ...nected to the module take the following precautions A hazardous voltage is a voltage greater than 42 4 Vpk or 60 VDC to earth ground Caution Ensure that hazardous voltage wiring is performed only by qualified personnel adhering to local electrical standards Caution Do not mix hazardous voltage circuits and human accessible circuits on the same module Caution Make sure that devices and circuits con...

Страница 4: ...uman contact You must use the NI 9932 connector backshell kit to ensure that the terminals are not accessible Figure 1 shows the NI 9932 connector backshell Note You can use the NI 9932 connector backshell only with the NI 9472 9474 with screw terminal Figure 1 NI 9932 Connector Backshell ...

Страница 5: ... 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 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...

Страница 6: ...nditions 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 9472 9474 in Gas Group IIC hazardous locations or in ambient temperatures of 40 C Ta 70 C you must use the device in an NI chassis that has be...

Страница 7: ...ertificate 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 the enclosure and...

Страница 8: ...t channels Figure 2 NI 9472 9474 Terminal and Pin Assignments DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 Vsup COM 0 1 2 3 4 5 6 7 8 9 COM Vsup COM COM Vsup COM COM Vsup COM COM Vsup COM COM DO0 Vsup DO1 DO2 Vsup DO3 DO4 Vsup DO5 DO6 Vsup DO7 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 0 3 4 7 0 3 4 7 ...

Страница 9: ...pendent COM and Vsup wiring for each channel of the NI 9472 with DSUB to minimize current flow in the COM and Vsup wiring The COM pins on the NI 9472 with DSUB are internally connected Note You must use 2 wire ferrules to create a secure connection when connecting more than one wire to a single terminal on the NI 9472 9474 with screw terminal Each channel has an LED that indicates the state of the...

Страница 10: ...o COM The Vsup pins on the NI 9472 with DSUB are internally connected You can connect only one external voltage supply to the device Refer to the Specifications section for information about the power supply voltage range Caution Do not remove or insert modules if the external power supply connected to the Vsup and COM pins is powered on The NI 9472 9474 has current sourcing outputs meaning the DO...

Страница 11: ...9472 9474 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 connect the common of the device to COM Refer to Figure 3 for an illustration of how to connect a device to the NI 9472 9474 Figure 3 Connecting a Device to the NI 9472 9474 External Power Supply NI 9472 9474 _ C...

Страница 12: ... connect any number of channels together in parallel For example using the NI 9474 if you want to drive 4 A of current connect DO 0 3 in parallel as shown in Figure 4 You must turn all parallel channels on and off simultaneously so that the current on any single channel cannot exceed the 1 A rating Figure 4 Increasing the Current to a Device Connected to the NI 9474 NI 9474 DO3 DO1 DO0 DO2 4 A _ C...

Страница 13: ...onal Instruments recommends that you either use ferrules to terminate wires to the detachable screw terminal connector or use the NI 9932 backshell kit to protect the connections Refer to Figure 5 for an illustration of using ferrules Refer to Figure 1 for an illustration of the NI 9932 connector backshell Figure 5 10 Terminal Detachable Screw Terminal Connector with Ferrule ...

Страница 14: ... the channel The amount of time the current is above the current limit The frequency of the current surges When the amount of current through the DO terminal or pin is greater than 13 A the channel trips and goes into an overcurrent state In an overcurrent state the channel turns off and the module is not damaged If the current through DO is between 6 A and 13 A the state of the channel is indeter...

Страница 15: ... If a short circuit occurs the current through DO can exceed the current rating for the power supply and the maximum continuous output current for the NI 9472 9474 If the power supply you are using with the NI 9472 9474 cannot supply more than 13 A the module may be damaged if a short circuit condition occurs Detecting an Overcurrent Condition If a device connected to the module is not working whi...

Страница 16: ...nnect the external power supply from the module However doing so disconnects power from all of the module channels Normal operation can resume after you correct the overcurrent condition and reset the channel Sleep Mode This module supports a low power sleep mode Support for sleep mode at the system level depends on the chassis that the module is plugged into Refer to the chassis manual for inform...

Страница 17: ...ut power consumption and thermal dissipation Specifications The following specifications are typical for the range 40 to 70 C unless otherwise noted All voltages are relative to COM unless otherwise noted The specifications are the same for the NI 9472 and the NI 9474 unless otherwise noted Output Characteristics Number of channels 8 digital output channels Output type Sourcing Power on output sta...

Страница 18: ... Vsup I0 R0 I O protection Voltage 30 VDC max Reversed voltage None Short circuit behavior Short circuit trip time 10 μs at 13 A Current Channel Behavior Module Protection 0 to 1 A Channel does not trip Module is not damaged 1 to 6 A Channel does not trip Module may be damaged 6 to 13 A Channel may trip Module may be damaged 13 A Channel trips Module is not damaged ...

Страница 19: ...e Issue 2 Method 1 Case 3 Limited Part Stress Method NI 9474 479 889 hours at 25 C Bellcore Issue 2 Method 1 Case 3 Limited Part Stress Method Note Contact NI for Bellcore MTBF specifications at other temperatures or for MIL HDBK 217F specifications NI 9472 Power Requirements Power consumption from chassis Active mode 230 mW max Sleep mode 0 4 mW max ...

Страница 20: ...ode 660 mW max Sleep mode 0 6 mW max Thermal dissipation at 70 C Active mode 1 5 W max Sleep mode 0 6 mW max Physical Characteristics If you need to clean the module wipe it with a dry towel Screw terminal wiring 12 to 24 AWG copper conductor wire with 10 mm 0 39 in of insulation stripped from the end Torque for screw terminals 0 5 to 0 6 N m 4 4 to 5 3 lb in ...

Страница 21: ...nal Safety Voltages Connect only voltages that are within the following limits Channel to COM 30 VDC max Isolation Channel to channel None Channel to earth ground Continuous 250 Vrms Measurement Category II Withstand 2 300 Vrms verified by a 5 s dielectric withstand test Measurement Category II is for measurements performed on circuits directly connected to the electrical distribution system ...

Страница 22: ...ategories III or IV NI 9472 with DSUB Safety Voltages Connect only voltages that are within the following limits Channel to COM 30 VDC max Isolation Channel to channel None Channel to earth ground Continuous 60 VDC Measurement Category I Withstand 1 000 Vrms verified by a 5 s dielectric withstand test Measurement Category I is for measurements performed on circuits not directly connected to the el...

Страница 23: ...ution Do not connect the NI 9472 with DSUB to signals or use for measurements within Measurement Categories II III or IV 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 prod...

Страница 24: ...474 24 ni com 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 Class I Division 2 Groups A B C D T4 Class I Zone 2 Ex nC IIC T4 Europe DEMKO EEx nC IIC T4 ...

Страница 25: ...nual 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 85 C Ingress protection IP 40 Operating humidity IEC 60068 2 56 10 to 90 RH noncondensing Storage humidity IEC 60068 2 56 5 to 95 RH noncondensing Maximum altitude 2 000 m Pollution Degree IEC 6...

Страница 26: ...ration 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 Electromagnetic Compatibility This product is designed to meet the requirements of the following standards of EMC for electrical equipment for measurement control and laboratory use EN 61326 EMC requirements I...

Страница 27: ...mended for CE markings as follows 2006 95 EC Low Voltage Directive safety 2004 108 EC Electromagnetic Compatibility Directive EMC Note Refer to the Declaration 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 Certificatio...

Страница 28: ... environmental information refer to the NI and the Environment Web page at ni com environment This page contains the environmental regulations and directives with which NI complies as well as other environmental information not included 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 Fo...

Страница 29: ...e 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 support in the United States create your service request at ni com support and follow the calling instructions or dial 512 795 8248 For ᄤֵᙃѻક ᶧ ࠊㅵ ࡲ Ё RoHS Ё ᅶ National Instruments ヺড়Ё ᄤֵᙃ ѻકЁ䰤ࠊՓ ᶤѯ ᆇ 䋼ᣛҸ R...

Страница 30: ...a 91 80 41190000 Israel 972 3 6393737 Italy 39 02 41309277 Japan 0120 527196 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 Slovenia 386 3 425 42 00 South Africa 27 0 11 805 8197 Spain 3...

Страница 31: ... 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 For patents covering National Instruments products refer to the appropriate location Help Patents in your software the patents txt file on your media or ni com patents ...

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