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National Instruments 8-Channel Solid-State Relay (SSR) Digital Output NI 9485, Руководство по эксплуатации

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© 

National Instruments Corp.

9

NI 9485 Operating Instructions

Connecting Loads to the NI 9485

You can connect loads to the NI 9485. Connect the load to one of 
the leads of the power source. Connect either the CHa or the CHb 
terminal to the load and the other terminal to the other lead of the 
AC or DC power source. Figure 3 shows a possible configuration 
where the load is connected to the CHb terminal and the DC or AC 
power source.

Figure 3.  

Connecting a Load to the NI 9485

NI 9485

+

–

Load

or

AC

CHa

CHb

Содержание 8-Channel Solid-State Relay (SSR) Digital Output NI 9485

Страница 1: ...OPERATING INSTRUCTIONS NI 9485 8 Channel Solid State Relay SSR Digital Output Module ...

Страница 2: ...ules you are using Note The safety guidelines and specifications in this document are specific to the NI 9485 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 determine the safety ratings and specifications for the entire system Safety Guidelines Operate the NI 9485 only as described in these...

Страница 3: ...hat 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 When module terminals are hazardous voltage LIVE 42 4Vpk 60 VDC you must ensure that devices and circuits connected to the module are properly insulated from human contact You must use the...

Страница 4: ...ations The NI 9485 is suitable for use in Class I Division 2 Groups A B C D T4 hazardous locations Class I Zone 2 AEx nA II T4 and Ex nA II T4 hazardous locations and nonhazardous locations only Follow these guidelines if you are installing the NI 9485 in a potentially explosive environment Not following these guidelines may result in serious injury or death ...

Страница 5: ... nonhazardous Caution Substitution of components may impair suitability for Class I Division 2 Caution For Zone 2 applications install the system in an enclosure rated to at least IP 54 as defined by IEC 60529 and EN 60529 Caution For Zone 2 applications install a protection device across the positive and negative terminals of the external power supply or supplies The device must prevent the exter...

Страница 6: ...cate No 03 ATEX 0324020X The equipment is marked II 3G and is suitable for use in Zone 2 hazardous locations Wiring the NI 9485 The NI 9485 has a 16 terminal detachable screw terminal connector that provides connections for eight solid state relay channels Each channel has two interchangeable terminals CHa and CHb Refer to Table 1 for the terminal assignments for each channel ...

Страница 7: ...485 Operating Instructions Table 1 Terminal Assignments Module Terminal Signal 0 CH0a 1 CH0b 2 CH1a 3 CH1b 4 CH2a 5 CH2b 6 CH3a 7 CH3b 8 CH4a 9 CH4b 10 CH5a 11 CH5b 12 CH6a 13 CH6b 14 CH7a 15 CH7b 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...

Страница 8: ...ect to high vibration National Instruments recommends that you either use ferrules to terminate wires to the detachable screw terminal connector or use the NI 9939 backshell kit to protect the connections Refer to Figure 2 for an illustration Figure 2 16 Pin Detachable Screw Terminal with Ferrule Ferrule ...

Страница 9: ... one of the leads of the power source Connect either the CHa or the CHb terminal to the load and the other terminal to the other lead of the AC or DC power source Figure 3 shows a possible configuration where the load is connected to the CHb terminal and the DC or AC power source Figure 3 Connecting a Load to the NI 9485 NI 9485 Load or AC CHa CHb ...

Страница 10: ... applied to the load Protecting Inductive Loads When inductive loads are connected to the NI 9485 relay outputs a large counter electromotive force may occur at switching time because of the energy stored in the inductive load These flyback voltages can damage the relay outputs and or the external power supply Limit flyback voltages at your inductive load by installing one of the following For DC ...

Страница 11: ...res 4 and 5 show examples of using an external flyback diode to protect DC inductive loads and an MOV to protect AC inductive loads respectively Figure 4 Contact Protection for DC Inductive Loads CHa CHb Inductive Load NI 9485 Flyback Diode for DC Inductive Loads VDC ...

Страница 12: ...ode Support for sleep mode at the system level depends on the chassis that the module is plugged into Refer to the chassis documentation for information about support for sleep mode You can enable sleep mode in software Refer to the driver software documentation for more information CHa CHb Inductive Load NI 9485 MOV for AC Inductive Loads VAC ...

Страница 13: ... consumes minimal power and may dissipate less heat than it does in normal mode Refer to the Specifications section for more information about power consumption and thermal dissipation Specifications The following specifications are typical for the range 40 to 70 C unless otherwise noted Output Characteristics Number of channels 8 digital output channels Relay type Normally open solid state relay ...

Страница 14: ... 9 0 ms typ On resistance 200 mΩ max Off state leakage 30 μA typ MTBF 2 172 740 hours at 25 C Bellcore Issue 6 Method 1 Case 3 Limited Part Stress Method Note Contact NI for Bellcore MTBF specifications at other temperatures or for MIL HDBK 217F specifications 1 For additional specifications related to faster switching rates and or higher currents at lower temperatures go to ni com info and enter ...

Страница 15: ...sipation at 70 C Active mode 1 5 W max Sleep mode 5 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 Ferrules 0 25 mm2 to 0 5 mm2 Torque for screw terminals 0 5 to 0 6 N m 4 4 to 5 3 lb in Weight Approx 145 g 5 1 oz ...

Страница 16: ...arth 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 This category refers to local level electrical distribution such as that provided by a standard wall outlet for example 115 V for U S or 230 V for Europe Do...

Страница 17: ... 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 the appropriate link in the Certification column Hazardous Locations U S UL Class I Division 2 Groups A B C D T4 Class I Zone 2 AEx nA II T4 Canada C UL Class I Division 2 Groups A B C D T4 Class I Zone 2 E...

Страница 18: ... instructions 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 Deg...

Страница 19: ...ration Random IEC 60068 2 34 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 20: ...ote 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 Certification column Waste Electrical and Electronic Equipment WEEE EU Customers At the end of their life cycle all products must be sent to a ...

Страница 21: ...4 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 Br...

Страница 22: ... 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 34 91 640 0085 Sweden 46 0 8 587 895 00 Switzerland 41 56 2005151 Taiwan 886 02 2377 2222 Thailand 662 278 6777 Turkey 90 212 279 3031 United Kingdom 44 0 1635 523545 ...

Страница 23: ...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 For patents covering National Instruments products refer to the appropriate location Help Patents in your software the patents txt file on your CD or ni com patents ...

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