Agilent Technologies 8935 Series Manual do Utilizador descarregar pdf (Página 27)

Chapter 1 27

Using HP-IB

Overview of the Test Set

Writing programs for the Test Set

One of the design goals for automatic control of the Test Set was that it

operate the same way programmatically as it does manually. This is a

key point to remember when developing programs for the Test Set. The

benefit of this approach is that to automate a particular task, one need

only figure out how to do the task manually and then duplicate the

same process in software. This has several implications when designing

and writing programs for the Test Set:

1. In Manual Control mode a measurement must be “active” in order to

obtain a measurement result or input data from the DUT. From a

programming perspective this means that before attempting to read

a measurement result or to input data from the DUT, the desired

screen for the measurement result or data field must be selected

using the DISPlay command and the field must be in the ON state.

2. In Manual Control mode instrument configuration information is

not routed through the screen control hardware. From a

programming perspective this means that configuration information

can be sent to any desired instrument without having to first select

the instrument’s front panel with the DISPlay command.

Keeping these points in mind during program development will

minimize program development time and reduce problems encountered

when running the program.

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Agilent Technologies 8935 Series Manual do Utilizador Página 27