Measurement-computing Analyzer488 Manuel d'utilisateur télécharger pdf (Page 216)

Section 6 Instrument Simulator

6.6

Execute

Execute all commands in command buffer

Query ?

Return current selection or mode of the command

preceding the

6.7 IEEE 488 Bus Implementation

The Analyzer488 implements many of the capabilities defined by the IEEE 488

1978 specification. These are discussed in the following sections. Those bus uniline

and multiline commands that the Analyzer488 does not support or respond to include:

Remote Enable (REN)

Go to Local (GTL)

Local Lockout (LLO)

Group Execute Trigger (GET)

Take Control (TCT)

Parallel Poll Configure (PPC)

Parallel Poll Unconfigure (PPU)

Parallel Poll Disable (PPD)

6.7.1 My Talk Address

(MTA)

When the Analyzer488 is addressed to talk, it outputs either waveform

data or buffer data to the IEEE 488 bus in the format as specified by the

and

commands.

The Analyzer488 can send Analyzer488 status (

), or keyboard status

(

and

), without affecting any timing functions. After the requested

status is output, the presently programmed

format will be the selected

format.

6.7.2 My Listen Address

(MLA)

When the Analyzer488 is addressed to listen, it accepts characters from

the active talker and interprets these characters as commands and command

parameters. These commands are explained in paragraph 6-8.

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Measurement-computing Analyzer488 Manuel d'utilisateur Page 216