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GETTING STARTED WITH SCPI PROGRAMMING 2 - 1
2 GETTING STARTED WITH SCPI
PROGRAMMING
2.1 Preparations for SCPI Programming
To program your CombiScope instrument, you need a system setup and a
programming environment. Various program examples (refer to PROGRAM
EXAMPLE:) are given in the following sections. These program examples can be
executed one at a time or chained together for a complete tutorial. The program
examples are based on the system and programming environment as described
below.
Note: All PROGRAM EXAMPLE's in this chapter are supplied on floppy under
the file name EXGETSTA.BAS. They are chained together in order of
appearance.
2.1.1 System setup
•
The CombiScope instrument contains a factory-installed IEEE option.
•
A PC is used as controller. In the PC an IEEE-488.2 interface (GPIB) board
must be installed to turn the PC into a GPIB controller. The GPIB controller
must be connected to the CombiScope instrument via an IEEE cable.
Note: The program examples throughout this manual have been executed
on an IBM-compatible PC with the GPIB interface board and
software of the product PM2201/03 installed. The PM2201 board is
equivalent to the PCIIA board from National Instruments.
2.1.2 Programming environment
•
MS-QuickBASIC is used as the programming language.
•
A number of standard IEEE-488.2 drivers are used to control the CombiScope
instrument via the GPIB. These drivers must be included in the application
program. Therefore, the first statement of an application program must be as
follows:
REM $INCLUDE: ’<path>QBDECL.BAS’
Note: The program examples throughout this manual have been executed
using the IEEE-488.2 drivers and the device handler GPIB.COM of
the product PM2201/03.