6 instrument simulator mode bus commands, 1 data buffer commands, 2 keyboard and display commands – Measurement Computing Analyzer488 User Manual

Page 213: 3 waveform control commands

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Section 6

Instrument Simulator

6.3

6.6 Instrument Simulator Mode Bus Commands.

Control of the Instrument Simulator Mode of the Analyzer488 is implemented

with 18 bus commands. There are six groups of Instrument Simulator commands:
data buffer commands, keyboard and display commands, waveform control
commands, poll response commands, and miscellaneous commands

6.6.1 Data Buffer Commands

The Buffer Data commands allow control over the user-definable data

buffer inside the Analyzer488.

User Buffer

B/string/

Send a string to the data buffer.

Data

Bn

Send binary data to the data buffer. n = 0 to 255.

B?

Always returns B0.

Clear Buffer

C0

Clear the entire data buffer.

C?

Always returns C0.

6.6.2 Keyboard and Display Commands

The keyboard and display commands allow the user to input and output

data on the Analyzer488 console. This can be used as part of a program to
perform interactive data logging or give operator instructions.

Panel Display D/string/

Display string on 20 column display of

Analyzer488. All writes to the display are left
justified and destructive. Strings of length greater
than 20 are truncated.
D//

Clears the display.

D?

Always returns D0.

Keyboard

U1

Test for a key press.

Status

U2

Wait for a key press.

6.6.3 Waveform Control Commands

The following commands provide control over the type of waveform

which is output over the data bus in response to an input command. This

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