National Instruments NI-488.2 ユーザーズマニュアル

© National Instruments Corporation

For advanced interactive communication with GPIB instruments, use the 
Interactive Control utility, as follows:

1.

Select Start»Programs»National Instruments NI-488.2»Explore 
GPIB to start Measurement & Automation Explorer.

2.

Expand the Devices and Interfaces directory by clicking on the + next 
to the folder.

3.

Right-click on your GPIB interface and select Interactive Control 
from the drop-down menu that appears.

4.

At the command prompt, type NI-488.2 API calls to communicate 
interactively with the your instrument. For example, you might use 

ibdev

, 

ibclr

, 

ibwrt

, 

ibrd

, and 

ibonl

.

To view the online help for Interactive Control, type 

help

 at the Interactive 

Control command prompt. For more information, refer to Chapter 6, 

Based on your development environment, you can select a method for 
accessing the driver, and based on your NI-488.2 programming needs, you 
can choose how to use the NI-488.2 API.

Applications can access the NI-488.2 dynamic link library (DLL), 

gpib-32.dll

, either by using an NI-488.2 language interface or by direct 

access.

You can use a language interface if your program is written in Microsoft 
Visual C/C++ (2.0 or later), Borland C/C++ (4.0 or later), or Microsoft 
Visual Basic (4.0 or later). Otherwise, you must access 

gpib-32.dll

 

directly.

You can access the DLL directly from any programming environment that 
allows you to request addresses of variables and functions that a DLL 
exports. 

gpib-32.dll

 exports pointers to each of the global variables and 

all the NI-488.2 calls.