National InstrumentsメーカーSCC-CO20の使用説明書/サービス説明書
ページ先へ移動 of 15
USER GUIDE SCC-CO20 Isolated Current Output Module The SCC-CO20 is an isolated curren t output module that output s up to 20 mA. The output current lev el is proportional to the voltage applied to the module by an analog output channel of an E/M Series D A Q device.
SCC-CO20 Isolated Cu rrent Output Module User Guide 2 ni.com italic Italic text denotes variables, emphasis , a cross-reference, or an introduction to a key concept. Italic te xt also deno tes text that is a placeholder for a word or v alue that you must supply .
© National Instruments Corpor ation 3 SCC-CO20 Isolated Curren t Output Module User Guide ❑ T o ols – 1/8 in. flathead scre wdri ver – Numbers 1 and 2 Phillips screwdriv er s – W ire insu lation stripper Note Software scaling of measurements is not supported on the Macintosh operating system.
SCC-CO20 Isolated Cu rrent Output Module User Guide 4 ni.com Figure 1. SCC-CO20 Sign al Connections to E/M Series DAQ Device Using the Isolated Loop Supply of the SCC-CO20 You can connect the SCC-CO20 to a load using either the isolated internal loop supply or an external supply.
© National Instruments Corpor ation 5 SCC-CO20 Isolated Curren t Output Module User Guide Note If your load is g rounded and you are usin g the internal supply , connect the load ground to the current sink terminal at pin 2 on th e SCC-CO20.
SCC-CO20 Isolated Cu rrent Output Module User Guide 6 ni.com Figure 3. Connecting T wo SCC-CO20 Module s to a Higher-R esistance Load SCC-CO20 1 2 + – 15 V iso 3 SCC-CO20 1 2 + – 15 V iso 3 Load S.
© National Instruments Corpor ation 7 SCC-CO20 Isolated Curren t Output Module User Guide Using an External Loop Supply In order for the current sink to oper ate properly with an external loop supply, the voltage must be within the range of 3 to 42 V.
SCC-CO20 Isolated Cu rrent Output Module User Guide 8 ni.com Figur e 5. Connecting the SCC-CO20 to a Grounded External Loop Supply and a Grounded Load For information about how to conf igu re the SCC-CO20 modul e using NI-D A Qmx, refer to the SCC Quick Start Guide .
© National Instruments Corpor ation 9 SCC-CO20 Isolated Curren t Output Module User Guide Note Normally you would adjust to 0 μ A in order to calibrate the of fset, but because the SCC-CO20 cannot source current, it is impossi ble to know when you ha ve adjusted past 0 μ A.
SCC-CO20 Isolated Curr ent Output Module User Guide 10 ni.com Specifications These ratings are typical at 25 ° C unless otherw ise stated. Electrical Number of output channels ................. ....1 Output referencing .............. ................
© National Instruments Corporat ion 11 SCC-CO20 Isolated Curren t Output Module User Guide Physical Figure 6. SCC-CO20 Dimensions Weight .................... .............. ........... ....... 28 g (1.0 oz) I/O connectors ...................... .....
SCC-CO20 Isolated Curr ent Output Module User Guide 12 ni.com Environmental Operating temperature .. .............. ............0 to 50 °C Storage temperature .............. .............. ....–20 to 70 °C Humidity .............. ............ ....
© National Instruments Corporat ion 13 SCC-CO20 Isolated Curren t Output Module User Guide Online Product Certification Refer to the product Declaration of Conformity (DoC) fo r additional regulatory compliance information. To obtain pro duct certifications an d the DoC for this product, visit ni.
SCC-CO20 Isolated Curr ent Output Module User Guide 14 ni.com SCC-CO20 Module Pin Assignments Figure 7 shows the I/O connector pin s on the bottom of the modul e. Figure 7. SCC-CO20 Bottom View T able 1 lists the signal connect ion corresponding to each pin.
National Instruments, NI, ni.com, and LabVIEW are tradem arks of National Instruments Corporation. Refer to t he Terms of Use section on ni.com/legal for more information a bout National Instruments trademarks. Other product and compan y names mentioned herein are trademarks or trade names of their respective companie s.
デバイスNational Instruments SCC-CO20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-CO20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-CO20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-CO20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-CO20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-CO20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-CO20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-CO20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-CO20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。
