Measurement-computing Analyzer488 Manuale Utente Scaricare il pdf (Pagina 183)

Section 4 Serial Controller

4.89

UNASSERT

The

UNASSERT

command unasserts one or more bus management and/or data

lines. Data line parameters may be specified following the keyword

DATA

in Binary

(%01001010) (all eight digits must be specified), Decimal (

122

), Hexadecimal

(

&H3F

) (both digits must be specified), or ASCII ('

). If

UNASSERT ALL

is issued

while the Analyzer488 is in the TALK state, all data and management lines will be

unasserted.

This command does not have a query option.

TYPE Low Level Controller command

SYNTAX UNASSERT {[line][ALL]DATA[<data>]}

ALL unasserts all lines

line

is one of:

SRQ

ATN

EOI

IFC

, or

REN

data is numeric data in Binary, Decimal, Hexadecimal, or ASCII

RESPONSE None

MODE Low Level Controller

BUS STATES Bus states are defined by the usage of the commands.

QUERY None

RESPONSE

EXAMPLES

PRINT#1,"ASSERT IFC"

Pulse IFC line

PRINT#1,"UNASSERT IFC"

Similar to

ABORT

command

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