Agilent Technologies 8935 Series Manual do Utilizador descarregar pdf (Página 189)

Chapter 6 189

Advanced Operations

Passing Control

Passing Control Back to Another Controller

The Test Set has two methods of passing control back to another

controller: 1) automatically and 2) using the IBASIC PASS CONTROL

command from an IBASIC program. The two methods are described in

the following sections.

Passing Control Back Automatically

The Test Set will automatically pass control back to the controller

whose address was specified in the *PCB Common Command or to a

default address of 0 (decimal) if no *PCB command was received.

Control will automatically be passed under the following conditions:

Test Set is the Active Controller and an IBASIC Program is

Running

• The IBASIC program running in the Test Set is PAUSED.

• The IBASIC program running in the Test Set finishes executing.

• An IBASIC RESET occurs while the IBASIC program is running.

• Control is passed back immediately if the System Controller

executes a bus reset (IFC).

Test Set is the Active Controller and no IBASIC Program is

Running

• Control will be passed back within 10 seconds of receiving bus

control if no controller commands are executed (such as printing a

screen image to an HP-IB printer.

• Control is passed back immediately if the System Controller

executes a bus reset (IFC).

• Control is passed back at the completion of a controller command

(such as printing a screen image to an HP-IB printer.

Passing Control Back Using IBASIC PASS CONTROL Command

The Test Set will pass control back to another Controller when the

IBASIC PASS CONTROL command is issued while an IBASIC program

is running on the built-in IBASIC Controller. Refer to the Agilent

Technologies Instrument BASIC User’s Handbook for a complete

description of the IBASIC PASS CONTROL command.

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Agilent Technologies 8935 Series Manual do Utilizador Página 189