122
Application Programs
This chapter contains two application programs over the remote interface to help you
develop programs for your own application. Chapter 4, “Remote Interface
Reference,” starting on
page 61, lists the syntax for the SCPI (Standard Commands
for Programmable Instruments) commands available to program the power supply.
The examples in this chapter have been tested on a PC running Windows
®
3.1,
Windows
®
95 or Windows
®
NT 4.0. The examples are written for use over
GPIB (IEEE 488) or RS-232. But the examples for use over the RS-232 interface do
not work with Windows 3.1. These examples require a VISA (Virtual Instrument
Software Architecture) driver for use with your GPIB interface card in your PC. You
should have the “visa.dll” for Windows
®
3.1 or “visa32.dll” for Windows
®
95 or
Windows
®
NT 4.0 in your c:\windows\system directory to have the examples in this
chapter run properly. The examples step through voltages and make corresponding
current readings to characterize a power diode.
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