Chapter 3 Example ProgramsChapter 3 Example Programs Visual Basic Example Progarams RS-232C example programs Example 1 Using setting command Private Sub Sample1_Click() '******************************************************************************* ' RS232C SAMPLE PROGRAM NO.1 ' Send the command in the format specified, when the conditions for the ' command to be acceptable are met. '******************************************************************************* deli$ = Chr$(13) & Chr$(10) MSComm1.PortOpen = True MSComm1.Output = ":FUNCTION MEM" & deli$ MSComm1.Output = ":CONFIGURE:TDIV 1.E-3" & deli$ MSComm1.Output = ":CONFIGURE:SHOT 30" & deli$ MSComm1.Output = ":TRIGGER:SOURCE OR" & deli$ MSComm1.Output = ":TRIGGER:KIND CH1,LEVEL" & deli$ MSComm1.Output = ":TRIGGER:PRETRIG 5" & deli$ MSComm1.Output = ":TRIGGER:LEVEL CH1,0" & deli$ MSComm1.Output = ":TRIGGER:SLOPE CH1,UP" & deli$ MSComm1.Output = ":TRIGGER:KIND CH2,OFF" & deli$ MSComm1.Output = ":TRIGGER:KIND CH3,OFF" & deli$ MSComm1.Output = ":TRIGGER:KIND CH4,OFF" & deli$ MSComm1.Output = ":TRIGGER:KIND CH5,OFF" & deli$ MSComm1.Output = ":TRIGGER:KIND CH6,OFF" & deli$ MSComm1.Output = ":TRIGGER:KIND CH7,OFF" & deli$ MSComm1.Output = ":TRIGGER:KIND CH8,OFF" & deli$ MSComm1.Output = ":START" & deli$ MSComm1.PortOpen = False End Sub Example 2 Using a query Private Sub Sample2_Click() '******************************************************************************* ' RS232C SAMPLE PROGRAM NO.2 ' ' Send the query in the format specified, when the conditions for the query to ' be acceptable are met. ' ' The response data from the query is returned in the format specified for the ' corresponding command. '******************************************************************************* deli$ = Chr$(13) & Chr$(10) MSComm1.PortOpen = True MSComm1.Output = ":HEADER OFF" & deli$ MSComm1.Output = ":FUNCTION?" & deli$ Do ans$ = ans$ & MSComm1.Input Loop Until InStr(1, ans$, Chr$(10)) MSComm1.Output = ":SYSTEM:TIME?" & deli$ Do tm$ = tm$ & MSComm1.Input Loop Until InStr(1, tm$, Chr$(10)) Text1.Text = "FUNCTION = " & ans$ Text1.Text = Text1.Text & "TIME = " & tm$ MSComm1.PortOpen = False End Sub Example 3 Outputting stored data Private Sub Sample3_Click() '******************************************************************************* ' RS232C SAMPLE PROGRAM NO.3 ' ' Using the :MEMORY:MAXPOINT? query, this progaram checks whether data ' can be output from memory. If this query returns zero, no data is stored, and ' it cannot therefore be output. ' ' Next, the progaram specifies the channel and point for output, using the ' :MEMORY:POINT command. As data is input or output, the point is ' incremented automatically. If capturing data cosecutively, it is sufficient to ' specify the point once only. ' ' To capture data is ASCII format use the :MEMORY:ADATA? query, and to ' capture data as volatage values use the :MEMPRY:VDATA? query. The ' number of data samples which may be output in one set is 1 to 80 using ' :ADATA? and 1 to 80 using the :VDATA? query. '******************************************************************************* deli$ = Chr$(13) & Chr$(10) Dim d(1000) As Double MSComm1.PortOpen = True MSComm1.Output = ":FUNCTION MEM" & deli$ MSComm1.Output = ":CONFIGURE:SHOT 10" & deli$ MSComm1.Output = ":TRIGGER:MODE SINGLE" & deli$ MSComm1.Output = ":START;*OPC;:STOP;*OPC?" & deli$ Do o$ = o$ & MSComm1.Input Loop Until InStr(1, o$, Chr$(10)) MSComm1.Output = ":HEADER OFF" & deli$ MSComm1.Output = ":MEMORY:MAXPOINT?" & deli$ Do mx$ = mx$ & MSComm1.Input Loop Until InStr(1, mx$, Chr$(10)) If (Val(mx$) = 0) Then MSComm1.PortOpen = False Exit Sub End If MSComm1.Output = ":MEMORY:POINT CH1,0" & deli$ For i = 1 To 1000 vd$ = "" MSComm1.Output = ":MEMORY:VDATA? 1" & deli$ Do vd$ = vd$ & MSComm1.Input Loop Until InStr(1, vd$, Chr$(10)) d(i) = Val(vd$) Next For i = 1 To 1000 Text1.SelText = Format(d(i), "Scientific") & deli$ Next MSComm1.PortOpen = False End Sub Example 4 Inputting storage data Private Sub Sample4_Click() '******************************************************************************* ' RS232C SAMPLE PROGRAM NO.4 ' ' This progaram prepares storage memory, using the :MEMORY:PREPARE command. ' ' Next, the program specifies the channel and point for input, using the ' :MEMORY:POINT command, and then uses the :MEMORY:ADATA command to input data. '******************************************************************************* deli$ = Chr$(13) & Chr$(10) MSComm1.PortOpen = True MSComm1.Output = ":FUNCTION MEM" & deli$ MSComm1.Output = ":CONFIGURE:SHOT 10" & deli$ MSComm1.Output = ":MEMORY:PREPARE;*OPC?" & deli$ Do o$ = MSComm1.Input Loop Until InStr(1, o$, Chr$(10)) MSComm1.Output = ":MEMORY:POINT CH1,0" & deli$ For i = 0 To 1000 MSComm1.Output = ":MEMORY:ADATA " & Str$(Int(1600 * Sin(3.14 * i / 500))) & deli$ Next MSComm1.PortOpen = False End Sub Example 5 Checking the presence of input unit, and displaying the input ranges on the screnn. Private Sub Sample5_Click() '******************************************************************************* ' RS232C SAMPLE PROGRAM NO.5 '******************************************************************************* deli$ = Chr$(13) & Chr$(10) MSComm1.PortOpen = True MSComm1.Output = ":HEADER OFF" & deli$ MSComm1.Output = "*OPT?" & deli$ Do op$ = op$ & MSComm1.Input Loop Until InStr(1, op$, Chr$(10)) ch1% = Val(Mid$(op$, 1, 1)) ch2% = Val(Mid$(op$, 3, 1)) ch3% = Val(Mid$(op$, 5, 1)) ch4% = Val(Mid$(op$, 7, 1)) MSComm1.Output = ":MEMORY:GETREAL" & deli$ If (ch1% <> 0) Then MSComm1.Output = ":MEMORY:AREAL? CH1" & deli$ ar$ = "" Do ar$ = ar$ & MSComm1.Input Loop Until InStr(1, ar$, Chr$(10)) ch1_data$ = "CH1 = " & ar$ Else ch1_data$ = "CH1 = NON" End If If (ch2% <> 0) Then MSComm1.Output = ":MEMORY:AREAL? CH2" & deli$ ar$ = "" Do ar$ = ar$ & MSComm1.Input Loop Until InStr(1, ar$, Chr$(10)) ch2_data$ = "CH2 = " & ar$ Else ch2_data$ = "CH2 = NON" End If If (ch3% <> 0) Then MSComm1.Output = ":MEMORY:AREAL? CH3" & deli$ ar$ = "" Do ar$ = ar$ & MSComm1.Input Loop Until InStr(1, ar$, Chr$(10)) ch3_data$ = "CH3 = " & ar$ Else ch3_data$ = "CH3 = NON" End If If (ch4% <> 0) Then MSComm1.Output = ":MEMORY:AREAL? CH4" & deli$ ar$ = "" Do ar$ = ar$ & MSComm1.Input Loop Until InStr(1, ar$, Chr$(10)) ch4_data$ = "CH4 = " & ar$ Else ch4_data$ = "CH4 = NON" End If Text1.Text = ch1_data$ & deli$ & ch2_data$ & deli$ & ch3_data$ & deli$ & ch4_data$ & deli$ MSComm1.PortOpen = False End Sub Example 6 Saving stored data onto drive A. Private Sub Sample6_Click() '******************************************************************************* ' RS232C SAMPLE PROGRAM NO.6 '******************************************************************************* deli$ = Chr$(13) & Chr$(10) na$ = "a:\sample.dat" MSComm1.PortOpen = True MSComm1.Output = ":HEADER OFF" & deli$ MSComm1.Output = ":MEMORY:MAXPOINT?" & deli$ Do mx$ = mx$ & MSComm1.Input Loop Until InStr(1, mx$, Chr$(10)) If (Val(mx$) = 0) Then MSComm1.PortOpen = False Exit Sub End If Open na$ For Output As #1 MSComm1.Output = ":MEMORY:POINT CH1,0" & deli$ Print #1, 10 For i = 0 To 10 MSComm1.Output = ":MEMORY:ADATA? 1" & deli$ ad$ = "" Do ad$ = ad$ & MSComm1.Input Loop Until InStr(1, ad$, Chr$(10)) Print #1, Val(ad$) Next Close #1 MSComm1.PortOpen = False End Sub Example 7 Reading the data saved in Example 6, and loading it into the unit. Private Sub Sample7_Click() '******************************************************************************* ' RS232C SAMPLE PROGRAM NO.7 '******************************************************************************* deli$ = Chr$(13) & Chr$(10) na$ = "a:\sample.dat" MSComm1.PortOpen = True MSComm1.Output = ":HEADER OFF" & deli$ MSComm1.Output = ":MEMORY:PREPARE;*OPC?" & deli$ Do o$ = MSComm1.Input Loop Until InStr(1, o$, Chr$(10)) Open na$ For Input As #1 MSComm1.Output = ":MEMORY:POINT CH1,0" & deli$ Line Input #1, mx For i = 0 To mx Line Input #1, dt MSComm1.Output = ":MEMORY:ADATA " & Str$(dt) & deli$ Next Close #1 MSComm1.PortOpen = False End SubDownload Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
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Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
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