National InstrumentsメーカーSCC-AI13の使用説明書/サービス説明書
ページ先へ移動 of 18
USER GUIDE SCC-AI Series Isolated Analog Input Modules The SCC-AI Series isolated analog input modules (SCC-AI XX ) can extract a relativ ely low-amplitude input signal from a high-commo n-mode voltage so the E Series D A Q de vice can measure the input sig nal.
SCC-AI Series Isolated Analog Input Modules 2 ni.com Conventions The follo wing con ventions are used in this guide: < > Angle brackets that contain numbers separated by an ellipsis represent a range of v alues associated with a bit or signal name—for e xample, ai<0.
© National Instruments Corporation 3 SCC-AI Series Isolated Analog Input Modules ❑ One or more SCC-SG XX ❑ SCC-SG Series Strai n-Gauge Modules User Guide ❑ SC-2345 User Manual ❑ Read Me Fir s.
SCC-AI Series Isolated Analog Input Modules 4 ni.com Installing the Module Caution R efer to the Read Me First: Sa fety and Radio-F requency Interf erence document before remo ving equipment co vers or connectin g/disconnect ing any si gnal wires A blue label stripe identifies the SCC- AI XX as an an alog input m odule.
© National Instruments Corporation 5 SCC-AI Series Isolated Analog Input Modules Connecting the Input Signals The SCC- AI XX has a f ixed scre w-terminal receptacle and a remo vabl e scre w-terminal block, as sho wn in F igure 1-2.
SCC-AI Series Isolated Analog Input Modules 6 ni.com Figu re 1-3. SCC-AI XX Signal Co nnecti ons The input s are designed in a floating (no nreferenced) singl e-ended conf iguration. If the measured signals are floating, con nect the negati ve input pin s, 1 and 3, to AISENSE on the SC-2345 te rminal block through a1 0k Ω to 100 k Ω resistor.
© National Instruments Corporation 7 SCC-AI Series Isolated Analog Input Modules If a high commo n-mode v oltage is present, conn ect the negati ve input pins, 1 and 3, t o the signal r eference. Figure 1-5 sh ows a ground-r eferenced signal co nnection on on e channel of t he SCC-AI XX .
SCC-AI Series Isolated Analog Input Modules 8 ni.com 4. In th e SCC Connecto r Block Configuration window , configure the SCC syst em as follows: a. Specify the SCC Carrier T ype . The location of the SCC sockets change depen ding on the S CC carrier type.
© National Instruments Corporation 9 SCC-AI Series Isolated Analog Input Modules 10. If you mak e a selection mistak e, select the socket and click Remove . 11. Repeat steps 8 an d 9 for each ne wly installed SCC. 12. Clic k OK after completing all SCC entries.
SCC-AI Series Isolated Analog Input Modules 10 ni.com T ab le 1-2 shows su ggested values for some o f the par ameters. Use d efault v alues for parameters not s hown. 9. Clic k Te s t to test the channel. Y ou should be ab le to vie w your measurement in the window that ap pears.
© National Instruments Corporation 11 SCC-AI Series Isolated Analog Input Modules Scal ing V oltage Me asur ement s If you c onf igured the S CC-AI XX using MAX and you are using NI-D A Q, the vo ltage reading you get from the E Series D A Q de vice accounts for the vo ltage scaling effect of the SCC-AI XX .
SCC-AI Series Isolated Analog Input Modules 12 ni.com Filter Characte ristics Number of poles ......... ...................... ......3 Rolloff ................... ................. .................60 dB/decade Cutoff freq uency (–3 dB) AI0 X ......
© National Instruments Corporation 13 SCC-AI Series Isolated Analog Input Modules Environment al Operating temperature........ ................. ... 0 to 50 ° C Storage temperature ............................ ... –20 to 70 ° C Humidity .........
SCC-AI Series Isolated Analog Input Modules 14 ni.com Calibrating Gain and Offset Errors The SCC-AI XX is cal ibrated at the factory b efore shipmen t.
© National Instruments Corporation 15 SCC-AI Series Isolated Analog Input Modules 9. Adjust the trimp ot labeled Gain located on the top of the SCC-AI XX . If the v alue you obtained in step 8 is less than the input voltage, turn the trimpot clockwise to increase the g a in.
SCC-AI Series Isolated Analog Input Modules 16 ni.com SCC-AI XX Module Pin Assignments Figure 1-6 shows the I/O connect or pins on the bottom of t he module. Figur e 1-6. SCC Module Bottom View T able 1-4 lists the sig nal correspondi ng to each I/O connector pin o n the bottom of the SCC-AI XX .
© National Instruments Corporation 17 SCC-AI Series Isolated Analog Input Modules 9 + 6 V 10 GND 11 AG N D 12 REF5V 13 + 15 V 14 –15 V 15 — 16 — 17 — 18 — 19 — 20 — Tabl e 1-4.
National Instrument s™, NI™, ni.com ™, and NI-D AQ ™ are trademarks of National Instruments Corporation. Product and company names mentioned herein are trademarks or trade names of their respective companies.
デバイスNational Instruments SCC-AI13の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
National Instruments SCC-AI13をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはNational Instruments SCC-AI13の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。National Instruments SCC-AI13の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。National Instruments SCC-AI13で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
National Instruments SCC-AI13を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はNational Instruments SCC-AI13の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、National Instruments SCC-AI13に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちNational Instruments SCC-AI13デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
