SiemensメーカーB4の使用説明書/サービス説明書
ページ先へ移動 of 18
Automation– and Driv e Technology - SCE Training document for the company -w ide automation solution Totally Integrated Automation (T I A) MODULE B4 Data blocks T I A Training doc ument Page 1 of 18.
Automation– and Driv e Technology - SCE This docum ent was provided by Siemens A&D SC E (autom ation and drive technology, Siemens A&D Cooperates with Education) f or training purposes . Siem ens does not m ake any ty pe of guarantee regar ding its contents.
Automation– and Driv e Technology - SCE PA GE: 1. Forward ................................................................................................................. 4 2. Notes for Dat a Blocks .................................................
Automation– and Driv e Technology - SCE 1. FORWA RD The m odule B4 is as signed content wise to A dditional functions of S TEP 7- Progra mming . Basics of STEP 7- Programmin g 2 - 3 da y s A m odule.
Automation– and Driv e Technology - SCE Required har dware and software 1 PC, Operating system W indows 95/98/2000/ME/NT 4.0 with - Minimal: 133MHz and 64MB RAM, approx. 65 MB f ree hard dis k spac e - Optim al: 500MHz and 128MB RAM, approx. 65 MB free hard dis k s pace 2 Software ST EP 7 V 5.
Automation– and Driv e Technology - SCE 2. NOTES FOR DATA BLOCKS Data Block s (DBs) can be used by y our program to save data in the CPU. Your hard disk contains up to 8 KBy tes ( 8192 Bytes ) space.
Automation– and Driv e Technology - SCE 3. GENERA TING DA TA BLOCKS Data block s are generated and opened lik e program block s in the tool LAD,S TL,FBD: Program blocks .
Automation– and Driv e Technology - SCE In order to generate this program exam ple, the following steps m ust be f ollowed (Ther eby the program is dispens ed with the creation of the hardware c onfiguration): 1. Call SI MA TI C Ma n a g e r with a double click ( ® SIMATIC Manager) 2.
Automation– and Driv e Technology - SCE 3. In the name path, c reate the projec t with the name T estproject_DB . ( ® ’Tes tproject_DB’ ® OK) 4.
Automation– and Driv e Technology - SCE 5. Highlight the f older Blocks . ( ® Block s) 6. Insert Data Block ( ® Insert ® S7 Block ® Data Block ).
Automation– and Driv e Technology - SCE 7. Enter the num ber DB10 f or the data block and accept with OK ( ® DB10 ® OK). 8. Open the data bloc k DB10 with a double click ( ® DB10).
Automation– and Driv e Technology - SCE 9. Ack nowledge the ty pe of data block . ( ® Data Block ® OK ) Note: Data block s with an assigned FB are autom atically display ed by the call of your associated FB. It m ak es no sens e to create this alone.
Automation– and Driv e Technology - SCE 10. The Data Bloc k is gener ated with a sy mbol Name . T he Ty pe , an Initial value as well as a Comment (optional) are enter ed. The addres s is autom atically generated and cannot be altered. The data bloc k can be s aved and downloaded into the PLC .
Automation– and Driv e Technology - SCE Data in a data block mus t be determ ined through data ty pes. The f ollowing standard- data types are defined in the S7 below : Type and description Size in .
Automation– and Driv e Technology - SCE 11. Values should be m odified in a data bloc k. It is not adequate to modif y them in the field Initial valu e . This is only possible, when one switches to the Data View under View ( ® View ® Data View). 12.
Automation– and Driv e Technology - SCE 13. In order to generate the progr am with the acc essible data elem ents, the OB1 mus t be opened through a double click in SI MA TIC Ma n a ge r ( ® SIMATIC Manager ® OB1). 14. Then ac cept the setting with OK ( ® OK ).
Automation– and Driv e Technology - SCE There are t hree possibilities to access th e data: 1. Direct address access: One can acc ess one data elem ent in a data block with the following instructions : Exam ple: L DB 20. DBB2 Load data byte 2 from DB20 into ACCU 1 L DB 22.
Automation– and Driv e Technology - SCE 15. W ith LA D, STL, FBD: Progra m blocks , y ou now have an editor that give y ou the possibility to generate your STEP 7-Program . The s chem a for the selec tion of the data elem ent through the button is s hown for the firs t three inputs as s pecified below.
デバイスSiemens B4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:
Siemens B4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Siemens B4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。Siemens B4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。Siemens B4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。
Siemens B4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Siemens B4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、Siemens B4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Siemens B4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。