Agilent Technologies 54645A Manual de Instruções descarregar pdf (Página 39)

Addressing

By using the front-panel menus, you must place the instrument in the

“Connect to Computer” mode. Use the Print/Utility menu key on the front

panel to do this after you have installed the HP-IB interface on the rear panel

of the oscilloscope. Use this menu to set the HP-IB address for the

oscilloscope.

•

Each device on the HP-IB resides at a particular address, ranging from

0 to 30.

•

The active controller specifies which devices talk and which listen.

•

An instrument may be talk addressed, listen addressed, or unaddressed by

the controller.

If the controller addresses the instrument to talk, the instrument remains

configured to talk until it receives an interface clear message (IFC), another

instrument’s talk address (OTA), its own listen address (MLA), or a universal

untalk command (UNT).

If the controller addresses the instrument to listen, the instrument remains

configured to listen until it receives an interface clear message (IFC), its own

talk address (MTA), or a universal unlisten command (UNL).

Programming over HP-IB

Addressing

3-4

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 110 111

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Agilent Technologies 54645A Manual de Instruções Página 39