Measurement Computing Analyzer488 User Manual

Page 105

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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, CR, LF, or 'X)
are used. For example, CRLF as data is taken as
the letters, "C", "R", "L", and "F", 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 CR, LF, 'X, 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.

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