Measurement-computing Analyzer488 Manuel d'utilisateur télécharger pdf (Page 105)

Section 4 Serial Controller

4.11

4.11.2.5 ASCII Character Strings

data

An arbitrary string of characters. None of the

special forms given above (

$char

, or '

)

are used. For example,

CRLF

as data is taken as

the letters, "

", "

", and "

", not as carriage

return line feed.

'data'

An arbitrary string of characters enclosed in

apostrophes (

) or quotes (

4.11.2.6 Terminators

term

Any single character, specified as

, or

$char

as described previously. Part of the

terminator sequence used to mark the end of lines

of data and commands.

[term]

An optional term character.

term[term]

means

that one or two terminators may be specified.

EOI

The IEEE 488 bus End Or Identify (EOI) signal.

When asserted during the transfer of a character,

EOI signals that that character is the last in the

transfer. On input,

EOI

, if specified, causes the

input to stop. On output,

EOI

causes the bus EOI

signal to be asserted during transmission of the

last character transferred.

NONE

The no end-of-line character indicator. When

STERM

NONE

is specified, the Analyzer488 does

not append any serial output terminator(s) to

serially transmitted data.

4.11.2.7 Bus Management and Data Lines

line

A bus management line. May be one or more of:

SRQ

ATN

REN

IFC

, or

ALL

1 2 ... 100 101 102 103 104 105 106 107 108 109 110 ... 280 281

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Measurement-computing Analyzer488 Manuel d'utilisateur Page 105

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