How to obtain data from a device and display that data in an infinite loop

I'm trying to run an infinite loop where I'm testing a robot for thermal insulation.
I send the robot a command to run infinitely (using VISA communication)..., the robot starts running.
At the same time I obtain the temperature data from its motors (through sensors) and want to display it. The data should be refreshed at regular itervals but I only get broken display of the data at various instances of time during the robot's test-run.
I fear that there is a problem with the time synchronization. But having tried many permutations of time delays at various points in the program, I can not find the fault.
Any help is much appreciated.
Cheers
Rajat

We really need screen shots (*png format/NOT .bmp!) or attached code to see what might be the problem. There are an infinite number of mistakes that can be made (or nearly so), depending on how a program is written.
Putnam
Certified LabVIEW Developer
Senior Test Engineer
Currently using LV 6.1-LabVIEW 2012, RT8.5
LabVIEW Champion

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REPORT ZFGLI00003
*-- Include for data declarations and performs
include ZFGLI00003_f01.
*--Include for Classes and their Implementation
include ZFGLI00003_cl.
*                selection-screen                                      *
*-- Selection Values : Block1
selection-screen begin of block b1 with frame title text-001.
*--         Ledger
parameters: p_rldnr like zzprodnt-rldnr default 'NP'.
*--         Fiscal year
parameters: p_ryear like zzprodnt-ryear.
*--         Period(month)
parameters: p_rpmax like zzprodnt-rpmax.
selection-screen end of block b1.
*-- Selection Values : Block2
selection-screen begin of block b2 with frame title text-002.
*--              Company ID's
select-options : s_glcomp for ZZPRODNT-ROBUKRS .
*--              Profit Center
select-options : s_prctr   for ZZPRODNT-RPRCTR .
*--              Product Assignment
select-options : s_prasn   for ZZPRODNT-RZZWWZ01 .
*--              Corporate Brand
select-options : s_crpbd   for ZZPRODNT-RZZWWZ05 .
selection-screen end of block b2.
*-- Selection Values : Block3 Download Options
selection-screen begin of block b3 with frame title text-003.
parameters : p_local radiobutton group 1,
             p_unix radiobutton group 1,
             p_path like rlgrap-filename obligatory
                     default 'C:P20Z_Formatted.txt'(009).
selection-screen end of block b3.
*            At Selection-Selection on value-request for file path    *
at selection-screen on value-request for p_path.
if p_unix <> 'X'.
*-- Getting F4 help for output file
    perform get_filename changing p_path.
else.
    message i999(zi) with
          'Sorry !! Function not available for UNIX file.'(i01).
endif.
*-- At selection screen validations
at selection-screen on p_path.
if p_unix <> 'X'.
*-- Validate local file
    if p_path+1(2) <> ':'.
      message e999(zi) with 'Invalid file path'(006).
    endif.
else.
*-- Validate unix file
    if p_path+0(1) <> '/'.
      message e999(zi) with 'Invalid file path'(006).
    endif.
endif.
*                   Initialization                                    *
initialization.
*-- Initialize the period
perform init_period changing p_rpmax p_ryear.
*                    start-of-selection                               *
start-of-selection.
data : o_tm1_intf type ref to lcl_tm1_intf.
create object o_tm1_intf.
*-- Extract the data from ZZPRODNT
call method o_tm1_intf->get_data exporting e_rldnr = p_rldnr
                                             e_ryear = p_ryear
                                             e_rpmax = p_rpmax
                                             e_glcomp = s_glcomp[]
                                             e_prctr = s_prctr[]
                                             e_prasn = s_prasn[]
                                             e_crpbd = s_crpbd[]
                                   importing i_subrc = v_subrc.
*   INCLUDE ZFGLI00003_CL                                              *
*       CLASS lcl_tm1_intf IMPLEMENTATION
class lcl_tm1_intf definition.
public section.
*-- Data Declaration
    data : lv_date     type sy-datum,       "Date
            lv_time     type sy-uzeit,       "Time
            lv_count    type i,              "Count for total records
            lv_acsline type zfgl014-acsline,"ACS line code
            lv_amt_curr type zzprodnt-kslvt, "current month amount
            lv_amt_ytd type zzprodnt-kslvt, "YTD Amount
            lv_check,                        "check if any record is
                                             "downloaded
            lv_msg(100),                     "message
            lv_count_s(5) ,                 "Count for total(char)
            lv_amt_curr_s(23),               "Current month amount(char)
            lv_amt_ytd_s(23),                "YTD Amount(char)
            lv_ksl_pd(17),                   "KSLxx
            lv_period(2) type n.             "month(period)
*-- Types Declaration
    types : ty_rldnr type zzprodnt-rldnr,    "Type for Ledger
            ty_ryear type zzprodnt-ryear,    "Type for Fiscal Year
            ty_rpmax type zzprodnt-rpmax,    "Type for Period
            ty_glcomp type range of char4,   "Type for company selection
            ty_prctr type range of char10,   "Type for profit center sel
            ty_prasn type range of char6,    "Type for prod assignmt sel
            ty_crpbd type range of char4,    "Type for Corp Brand sel
            begin of ty_file,                "Type for File
              line(150),
            end of ty_file,
            begin of ty_ZZPRODNT,            "Type-ledger summary table
              company       type OBUKR,      "Company
              gl_acct       type RACCT,      "GL Account
              cst_ctr       type KOSTL,      "Cost Center
              prt_ctr       type PRCTR,      "Profit Center
              rfarea        type FKBER,      "Functional Area
              wbs_ele       type PS_POSID,   "WBS Element
              prd_***       type RKEG_WWZ01, "Product Assignment
              corp_bd       type RKEG_WWZ05, "Corporate Brand
              ksl01         type KSLXX9,     "Total of transactions - 01
              ksl02         type KSLXX9,     "Total of transactions - 02
              ksl03         type KSLXX9,     "Total of transactions - 03
              ksl04         type KSLXX9,     "Total of transactions - 04
              ksl05         type KSLXX9,     "Total of transactions - 05
              ksl06         type KSLXX9,     "Total of transactions - 06
              ksl07         type KSLXX9,     "Total of transactions - 07
              ksl08         type KSLXX9,     "Total of transactions - 08
              ksl09         type KSLXX9,     "Total of transactions - 09
              ksl10         type KSLXX9,     "Total of transactions - 10
              ksl11         type KSLXX9,     "Total of transactions - 11
              ksl12         type KSLXX9,     "Total of transactions - 12
              ksl13         type KSLXX9,     "Total of transactions - 13
              ksl14         type KSLXX9,     "Total of transactions - 14
              ksl15         type KSLXX9,     "Total of transactions - 15
              ksl16         type KSLXX9,     "Total of transactions - 16
            end of ty_ZZPRODNT.
*-- Structure Declaration
*           Structure for final file
    data : x_file         type ty_file,
*           Structure for Product Ledger Summary table
            x_ZZPRODNT     type ty_ZZPRODNT,
*           Structure for Functional Area to ACS line mapping
            x_zfgl014      type zfgl014.
*-- Internal Table Declaration
*           Table for records of Product Ledger Summary table
    data : it_ZZPRODNT     type table of ty_ZZPRODNT,
*           Table for final file
            it_file         type table of ty_file,
*           Table for Functional Area to ACS line mapping
            it_zfgl014      type table of zfgl014.
*-- Method Declaration.
    methods : get_data      importing e_rldnr type ty_rldnr
                                      e_ryear type ty_ryear
                                      e_rpmax type ty_rpmax
                                      e_glcomp type ty_glcomp
                                      e_prctr type ty_prctr
                                      e_prasn type ty_prasn
                                      e_crpbd type ty_crpbd
                            exporting i_subrc type sy-subrc.
endclass.                    "lcl_tm1_intf DEFINITION
*       CLASS lcl_tm1_intf IMPLEMENTATION
class lcl_tm1_intf implementation.
*-- Method get_data selects the North American Product Ledger Summary
*   table data and then maps the Functional Area to ACS line to get
*   the ACS line code
method get_data.
*-- Local Variable
    DATA: L_ZZPRODNT TYPE TY_ZZPRODNT.
*-- Get the data from North American Product Ledger Summary table
    select robukrs
           racct
           rcntr
           rprctr
           rfarea
           rzzwbs_el
           rzzwwz01
           rzzwwz05
           ksl01
           ksl02
           ksl03
           ksl04
           ksl05
           ksl06
           ksl07
           ksl08
           ksl09
           ksl10
           ksl11
           ksl12
           ksl13
           ksl14
           ksl15
           ksl16
      from zzprodnt
      into table it_ZZPRODNT
     where rldnr    = e_rldnr
       and ryear    = e_ryear
       and rpmax    = e_rpmax
       and ROBUKRS in e_glcomp
       and RPRCTR   in e_prctr
       and RZZWWZ01 in e_prasn
       and RZZWWZ05 in e_crpbd.
    if sy-subrc = 0.
      loop at it_ZZPRODNT into l_zzprodnt.
        condense l_ZZPRODNT-rfarea no-gaps.
        if l_ZZPRODNT-rfarea is initial.
          delete it_ZZPRODNT.
        endif.
      endloop.
*-- Get the Functional Area to ACS line code mapping data
      select *
        from zfgl014
        into table it_zfgl014
         for all entries in it_ZZPRODNT
       where fkber = it_ZZPRODNT-rfarea .
      if sy-subrc = 0.
      endif.
    endif.
    i_subrc = sy-subrc.
endmethod.                    "get_data
endclass.                    "lcl_tm1_intf IMPLEMENTATION
*   INCLUDE ZFGLI00003_F01                                             *
*                             Table
tables : zzprodnt.
*                          Data Declaration
data : v_subrc type sy-subrc.
*&      Form get_filename
* Description : This subroutine is used for F4 Prompting
form get_filename changing p_path like rlgrap-filename.
*-- Local variables
data : lv_file like ibipparms-path, "Local file for upload/download
         lv_repid like syst-cprog,     "ABAP program, caller in external
                                       "procedures
         lv_dynnr type syst-dynnr.     "Current screen No
lv_repid = syst-cprog.
lv_dynnr = syst-dynnr.
*-- Function module used for F4 help
call function 'F4_FILENAME'
       exporting
            program_name = lv_repid
            dynpro_number = lv_dynnr
       importing
            file_name     = lv_file.
move lv_file to p_path.
endform.                    " get_filename
*&      Form init_period
FORM init_period changing p_rpmax p_ryear.
if sy-datum+4(2) = 01.
    p_rpmax = 12.
    p_ryear = sy-datum+0(4) - 1.
else.
    p_rpmax = sy-datum+4(2) - 1.
    p_ryear = sy-datum+0(4).
endif.
ENDFORM.                    " init_period
Hope this helps.
Regards,
Richa

How to extract image from oracle database and display at html page

Could you help me how to make the image to display. i manage to extract the data but the data is in Blob so i need to convert it so make it display at html page.

Thanks for ur reply Mr.Rajasekhar
I tried as u said,
i tried without converting to sql date ,but still i din't get any results
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null
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How to retrieve records from a database and display it in a jsp page.Help!!

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int Month1=Integer.parseInt(request.getParameter("month1"));
int Day1=Integer.parseInt(request.getParameter("day1"));
String enddate=Day1+"/"+Month1+"/"+Year1;But this to check my bean whether it return any result!
public void databaseConnection(String MTName,String startDate,String endDate)
try
         java.text.SimpleDateFormat dateFormat=new java.text.SimpleDateFormat("dd/MM/yyyy");
         java.util.Date fromDate=dateFormat.parse(startDate);
        java.util.Date tillDate=dateFormat.parse(endDate);
        java.sql.Date sqlFromDate=new java.sql.Date(fromDate.getTime());
        java.sql.Date sqlTillDate=new java.sql.Date(tillDate.getTime());
          String query1="select MTName,Date,MTLineCount from Main where MTName='"+MTName+"' and Date between '"+sqlFromDate+"' and '"+sqlTillDate+"' " ;
        System.out.println(query1);
          Class.forName(driver);
         DriverManager.getConnection(url);
         preparedStatement=connection.prepareStatement(query1);
         preparedStatement.setString(1,"MTName");
          preparedStatement.setDate(2,sqlFromDate);
          preparedStatement.setDate(3,sqlTillDate);
          resultSet=preparedStatement.executeQuery();
           while(resultSet.next())
                    System.out.println(resultSet.getString(1));
                    System.out.println(resultSet.getDate(2));
                    System.out.println(resultSet.getInt(3));
        catch (Exception e)
         e.printStackTrace();
I Passed value from my main method is like thisl
databaseConnection("prasu","1/12/2005","31/12/2005");Please provide solutions or provide some sample codes!
Help!
Thanks in advance for replies

Thanks for ur reply Mr.Rajasekhar
I tried as u said,
i tried without converting to sql date ,but still i din't get any results
java.text.SimpleDateFormat dateFormat=new java.text.SimpleDateFormat("dd/MM/yyyy");
         java.util.Date fromDate=dateFormat.parse(startDate);
        java.util.Date tillDate=dateFormat.parse(endDate);
          String query1="select MTName,Date,MTLineCount from linecountdetails where mtname='"+MTName+"' and Date >='"+fromDate+"' and Date <='"+tillDate+"' " ;
        System.out.println(query1);
//From main method
databaseConnection("prasu","1/12/2005","31/12/2005");I got the output as
---------- java ----------
select MTName,Date,MTLineCount from linecountdetails where mtname='prasu' and Date >='Thu Dec 01 00:00:00 GMT+05:30 2005' and Date <='Sat Dec 31 00:00:00 GMT+05:30 2005'
java.lang.NullPointerException
null
null
java.lang.NullPointerException
Output completed (4 sec consumed) - Normal TerminationThanks
Prasanna.B

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