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Try to use java to create your own Beans

Created by: MustOne at: 3/31/2009 9:55 AM (4 Replies)

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3/31/2009 9:55 AM	Rate (0)
MustOne Posts: 22 Rating: (0)	Hi Thsarigk, I saw you try to use java to create your own Beans. Could you tell me more about that please? I try to create mine and the S7Beans doc helps me but I can reach my data area. To complete my post, this is the code: [code] public class S7Data { private String URL_HOST = "192.168.103.2";//URL de la CPU private String MODULE_NAME = "CP343-1 Advanced IT";//Nom du module de communication private CLTimer TIMER = new CLTimer(); private S7Device CPU3152DP = new S7Device("CPU315-2DP");//declaration du device //dans lequel on ira lire les données public S7Data() { //Connexion au CP343-1 Advanced IT S7CP s7CPConnexion = new S7CP();//MODULE_NAME, URL_HOST,80,0,4 moduleName,Host(CP IP),port,rack,slot s7CPConnexion.setModuleName(MODULE_NAME); s7CPConnexion.setHost(URL_HOST); s7CPConnexion.processIdent();//Initiates the MLFB number query s7CPConnexion.processState();//Initiates the status information query //Initialisation du Device - CPU315-2DP CPU3152DP.setModuleName("CPU315-2DP"); CPU3152DP.setRack(0); CPU3152DP.setSlot(2); CPU3152DP.processIdent(); CPU3152DP.processState(); s7CPConnexion.addPropertyChangeListener(CPU3152DP);//ajout du device } public S7Variable readData() { //declaration d'une variable et de son espace memoire S7Variable varAPI = new S7Variable(); //adressage par pointage sur la zone memoire S7Anypointer pointer = new S7Anypointer(5,1,132,10,8,0); //On pointe sur la variable varAPI.setS7Anypointer(pointer); //On indique le nom de la variable varAPI.setVariableName("DB_Horodat.Hor.Annee"); varAPI.processGet();//on precise la méthode PUT/GET //récupération de la variable varAPI.getValue(); CPU3152DP.addPropertyChangeListener(varAPI); TIMER.addActionListener(varAPI); return varAPI; } public void startReadData(S7Variable var) { System.out.println(var); TIMER.addActionListener(CPU3152DP); System.out.println("la variable vaut: "+var.getValue()); TIMER.setDelay(10000); TIMER.start(); } } [/code] Here below, the java console result [code] CLTIMER Bean V2.5.5 2006-02-06, Copyright (c) 2000-2006, Siemens AG S7DEVICE Bean V2.5.5 2006-02-06, Copyright (c) 2000-2006, Siemens AG S7CP Bean V2.5.5 2006-02-06, Copyright (c) 2000-2006, Siemens AG S7VARIABLE Bean V2.5.5 2006-02-06, Copyright (c) 2000-2006, Siemens AG DB_Horodat.Hor.Annee[ANY[P#DB10.DBX 8.0 INT 1]] la variable vaut: null [/code] To write these several code line, I followed the S7JavaBeans doc. I think something miss but what stuff? Thinking you could help me soon. Regards, MustOne ps:sorry for my spelling mistakes
MustOne Posts: 22 Rating: (0)	Last edited by: CS Moderator at: 3/31/2009 10:27 PM new subject after splitting Last edited by: MustOne at: 3/31/2009 3:32 PM I found a sample in the siemens doc "22698628_S7Types_DOKU_V11_e.doc". I will try to adapt it for my application. I will inform you . Last edited by: MustOne at: 3/31/2009 11:34 AM News : I think I misunderstood the meaning of "propertyChangeEvent". I am reading a tutorial on sun''''''''''''''''s tutorial website and I am trying to use PCE correctly. If somebody has any suggestions. Last edited by: MustOne at: 3/31/2009 9:57 AM
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3/31/2009 7:10 PM	Rate (1)
Flux00 Posts: 11 Rating: (1)	Hi MustOne, I think you'll find some help here... http://support.automation.siemens.com/WW/view/en/16832609 Check the examples and edit them according to your needs... Good Luck, Theodore
Flux00 Posts: 11 Rating: (1)
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4/1/2009 9:10 AM	Rate (0)
MustOne Posts: 22 Rating: (0)	Hi thsarigk, Thank you for your reply. Yesterday I tried with this doc, but I did not understand all. So I look for a sample on the siemens forum and I found one from J_Bell. I'm glad to say you that it works and I understand the mechanism. If somebody have any problem about creating a javabeans, I can give a link to go to the J_Bell's sample.
MustOne Posts: 22 Rating: (0)
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4/1/2009 10:36 AM	Rate (0)
MustOne Posts: 22 Rating: (0)	Dear Theodore, I am currently trying to adapt the sample to my needs but I have a new problem. Do you think that it is allowed to save a S7Variable.getValue() -after a processGet()- into a java integer value? In my code, I set the S7Variable as a public field and in my main Applet, I tried to save the S7Variable. This create an exception and destroy my applet. Do you have any idea to save the data outside the reading S7Variable class?
MustOne Posts: 22 Rating: (0)
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4/1/2009 12:59 PM	Rate (0)
MustOne Posts: 22 Rating: (0)	Hi, I found a solution to solve my problem. I think to return a value, the CLTIMER has to be shut down/stop. So in my main class, I want to query my data cyclicly and create a Real Time Curve Chart(RTCC) which works with a TIMER. So, I set the Delay of the RTCC's TIMER slower than the CLTIMER. When the RTCC Timer makes an "action Permormed" I stop the CLTIMER, read my data, add the data to the RTCC datas and I restart the CLTIMER. I hope these posts could help somebody.
MustOne Posts: 22 Rating: (0)
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