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Manual National Instruments NI 9481E

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Summary
  • National Instruments NI 9481E - page 1

    OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9481E 4-Channel SPST Electrom echanical Relay Mo dule ...

  • National Instruments NI 9481E - page 2

    NI 9481E Operating I nstructio ns and Specifica tions 2 ni.com This document describes ho w to use the National Instruments 9481E and includes dimensions , terminal assignments, an d specifi cations for the NI 9481E. V isit ni.com/info and enter rdsoftwareversion to determine which softw are you ne ed for the modules you are using. For informatio n ...

  • National Instruments NI 9481E - page 3

    © National Inst ruments Corp. 3 NI 9481E Operating In structions and Specificat ions NI 9481E Dimensions The following f igure show s the dimensions of the NI 9481E. Figure 1. NI 9481E Dimens ions in Mi llimeters (Inc hes) 73.4 (2.89) 0.0 (0.00) 26.7 (1.05) 58.4 (2.30) 66.0 (2.60) 0.0 (0.00) ...

  • National Instruments NI 9481E - page 4

    NI 9481E Operating I nstructio ns and Specifica tions 4 ni.com Connecting the NI 9481E The NI 9481E has a 10-terminal detachable scre w-terminal connector that prov ides connectio ns for four el ectromechanical relay channels. Figure 2. NI 9481E T erminal Assign ments CH0a CH0b CH1a CH1b CH2a CH2b CH3a CH3b NC NC 0 1 2 3 4 5 6 7 8 9 0 3 ...

  • National Instruments NI 9481E - page 5

    © National Inst ruments Corp. 5 NI 9481E Operating In structions and Specificat ions Each electromechani cal relay ch annel has two inter changeable terminals, CHa and CHb . Each channel has an L ED that indicates the st ate of the channel. When a channel LED is lit, the channel i s on. When the LED is dark, the channel is off. The LEDs are di sab ...

  • National Instruments NI 9481E - page 6

    NI 9481E Operating I nstructio ns and Specifica tions 6 ni.com Note Y ou must use 2-wire ferrules to create a secure connection when connecting mo re than one wire to a sin gle term ina l on the NI 9481E. When the channel is turned on, th e terminal connected to the load dri ves current or appl ies v oltage to the load. When the channel is off, th ...

  • National Instruments NI 9481E - page 7

    © National Inst ruments Corp. 7 NI 9481E Operating In structions and Specificat ions Specifications The follo wing specificat ions are typical for the range – 40 to 85 °C unless otherwise noted. Output Characteristics Number of channels ............ ............. . 4 electr omechanical relay channels Relay type ........... ............. ....... ...

  • National Instruments NI 9481E - page 8

    NI 9481E Operating I nstructio ns and Specifica tions 8 ni.com Resistance per c hannel, channel on ............. ........... ............ ..... 5 0 m Ω Switching rate ..... ............. .............. ... 1 operation pe r second Relay release t ime ............ ............ ..... 5 m s max Relay operate time ......... .............. ..... 1 0 ms ...

  • National Instruments NI 9481E - page 9

    © National Inst ruments Corp. 9 NI 9481E Operating In structions and Specificat ions Power Requirements Power consumption from chassis Active mode .............. ............ ..... 580 mW max Sleep mode ................ ............ ..... 5 m W max Thermal dissipation (at 70 °C) Active mode ... ........... ............ ..... 1.5 W max Sleep mode ...

  • National Instruments NI 9481E - page 10

    NI 9481E Operating I nstructions a nd Specificati ons 10 ni.com Safety Safety Voltages Connect only v oltages that are within the follo wing limits. CHa-to-CHb ........ ............. ............ ..... 250 V rms max, Measurement Category II Measurement Cate gory II is fo r measurements performed on circuits directly conn ected to th e electrical di ...

  • National Instruments NI 9481E - page 11

    © National Inst ruments Corp. 11 NI 9481E Operating In structions and Specificat ions Channel-to-earth ground Continuous .......... ............ ..... 250 V rms (Double insulation) W ithstand ...... ........... ............ 2,300 V rm s , ve r ifi ed by a 5 s dielectric withstand test Safety Standards This product meets the requirements of the fol ...

  • National Instruments NI 9481E - page 12

    NI 9481E Operating I nstructions a nd Specificati ons 12 ni.com Environmental National Instruments C Series modules are in tended for indoor use only but may be used outdoors if inst alled in a suitable enclosure. Refer to the manual for the chassis you are using for more information about meetin g these specif ications. Operating temperature (IEC ...

  • National Instruments NI 9481E - page 13

    © National Inst ruments Corp. 13 NI 9481E Operating In structions and Specificat ions Environmental Mana gement NI is committed to designing a nd manufacturing products in an en vironmentally responsible manner . NI recognizes that eliminating certain ha zardous substances from our products is benef icial to th e envi ronment and t o NI customers. ...

  • National Instruments NI 9481E - page 14

    NI 9481E Operating I nstructions a nd Specificati ons 14 ni.com Where to Go for Support The National Instruments W eb site is your complete resource for technical support. At ni.com/support you ha ve access to ev erything from troubleshooting and application de velopment self-help resources to emai l and phone assistance from NI Application Enginee ...

  • National Instruments NI 9481E - page 15

    © National Inst ruments Corp. 15 NI 9481E Operating In structions and Specificat ions telephone support outside the Un ited States, con tact your local branch off ice: Australia 1800 300 800, Austria 43 662 457990-0, Belgium 32 (0) 2 757 0020, Br azil 55 11 3262 3599, Canada 800 433 3488, China 86 21 5050 9800, Czech Republic 420 224 235 774, Denm ...

  • National Instruments NI 9481E - page 16

    © 2008 National I nstruments Corp. All rights reserved. 372621A-01 Aug08 National Instruments, NI, n i.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about Nat ional Instruments trademarks. Other product and company names ment ioned herein are tradema rks ...

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Documents that we receive from a manufacturer of a National Instruments NI 9481E can be divided into several groups. They are, among others:
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All of them are important, but the most important information from the point of view of use of the device are in the user manual National Instruments NI 9481E.

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A complete manual for the device National Instruments NI 9481E, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use National Instruments NI 9481E by users. Manuals are usually written by a technical writer, but in a language understandable to all users of National Instruments NI 9481E.

A complete National Instruments manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual National Instruments NI 9481E - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the National Instruments NI 9481E, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the National Instruments NI 9481E, that we can find in the current document
3. Tips how to use the basic functions of the device National Instruments NI 9481E - which should help us in our first steps of using National Instruments NI 9481E
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with National Instruments NI 9481E
5. FAQ - Frequently Asked Questions
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