Bnc 645 User Manual download pdf (Page 173)

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D. Application Programs

This chapter contains several remote interface example programs to help you

develop programs for your own application. “Remote Interface Reference”

starting on page 173, lists the syntax for the SCPI (Standard Commands for

Programmable Instruments) commands available to program the function

generator.

Introduction

Five example programs are included in this chapter to demonstrate controlling the

BERKELEY NUCLEONICS CORPORATION Model 645 using SCPI commands. All of

these programs are written in Microsoft® Visual C++® 6.0 and use the NI-VISA.

If you want to modify the example programs, or write your own programs and

compile them, you will need to install the NI-VISA.

• If you are using GPIB. The software should have been loaded when you installed

your GPIB interface card in your PC.

• If you are using USB or LAN. You must have NI-VISA version to support USB and

LAN.

Microsoft® and Visual C++® 6.0 are U.S. registered trademarks of Microsoft

Corporation.

All of the sample application programs in this chapter are example programs

intended for use with Microsoft Visual C++ 6.0 and the NI-VISA by USB.

To use VISA in another Visual C++ project, you have to set the environmental

variable in Microsoft Visual C++ 6.0. The procedures are in the following.

• In the VC++, after the path Tools\Options\Directories\include has been entered,

you have to add an “Include” path offered by NI-VISA, such as

C:\VXIPNP\WinNT\include.

• Add C:\VXIPNP\WinNT\lib\msc\visa32.lib to Project folder.

The command for USB interface in the following or others will be different on other

unit. If you have to check the right information, please do the procedure of

Utility/IO/Show USB Id (for USB interface) to get it.

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Bnc 645 User Manual Page 173