6243/44 DC Voltage Current Source/Monitor Operation Manual
5.2.11 Program Examples
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5.2.11 Program Examples
Explained here are basic program examples operating the 6243/44 from a computer through the GPIB bus.
Computer: Fujitsu FMV-6266T6, Windows 95
GPIB hardware: AT-GPIB/TNT(PnP) manufactured by NATIONAL INSTRUMENTS
Used module: Niglobal.bas, Vbib-32.bas (supplied with AT-GPIB/TNT(PnP)
Applied language: Visual Basic 5
The following examples are Visual Basic program examples performing the same operations as those
described in Section 2.2, “Basic Operations.”
• Program example 1: Example of DC measurement introduced in Section 2.2.3
• Program example 2: Example of pulse measurement introduced in Section 2.2.4
• Program example 3: Example of sweep measurement introduced in Section 2.2.5
• Program example 4: Example of diode measurement introduced in Section 2.3.1
• Program example 5: Example of recalling measurement data from the measurement buffer memory
as fast as possible
5.2.11.1 Program Example 1: DC Measurement
Option Explicit ’ Explicit declaration for all variables
Private Sub Start_Click() ’ Event procedure for the command button (Start)
Dim board As Integer ’ GPIB board address
Dim pad As Integer ’ 6243/44 address
Dim vig As Integer ’ 6243/44 device descriptor
board = 0 ’ GPIB board address 0
pad = 1 ’ 6243/44 address 1
Call ibdev(board, pad, 0, T10s, 1, 1, vig) ’ Opening and initializing device (6243/44) (timeout 10 s)
Call ibconfig(vig, IbcUnAddr, 1) ’ Address setting performed for each transmission or reception
Call ibeos(vig, &H40A) ’ Setting terminator to LF for sending command
Call SUBsend(vig, “C,*RST”) ’ DCL and parameter initialization
Call SUBsend(vig, “M1”) ’ Trigger mode hold
Call SUBsend(vig, “D1V,D3MA”) ’ DC source value 1 V, limiter value 3 mA
Call SUBsend(vig, “E”) ’ E: Output ON
Call SUBmeas(vig) ’ Measurement trigger & data recall
Call SUBsend(vig, “D2V”) ’ DC source value 2 V
Call SUBmeas(vig) ’ Measurement trigger & data recall
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