National InstrumentsメーカーNI 9481Eの使用説明書/サービス説明書
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OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9481E 4-Channel SPST Electrom echanical Relay Mo dule.
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.
© 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.
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.
© 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.
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.
© 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 ..........
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 .
© 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 .
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 .
© National Inst ruments Corp. 11 NI 9481E Operating In structions and Specificat ions Channel-to-earth ground Continuous .......... ............ .....
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.
© 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.
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.
© 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.
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