Measurement-computing Analyzer488 Manuel d'utilisateur télécharger pdf (Page 102)

Section 4 Serial Controller

4.8

Items shown in capital letters, such as

ENTER

OUTPUT

must be

used exactly as stated but may be entered in upper or lower case.

Items in lower case, such as

addr

count

represent parameters

which must be substituted with an appropriate value.

Blank spaces in commands are generally ignored. Thus,

LOCAL

LOCK OUT

is the same as

LOCALLOCKOUT

. Spaces are not ignored in

four places: the data part of an

OUTPUT

command, within quoted strings

in a

SEND

command, after an apostrophe (

) in a terminator specification

(

term

), and after the semi-colon following the

command.

The number sign or hash character (

) and the semi-colon (

;

) must

be present exactly as shown. A comma (

) represents an address

separator. The oblique or slash character (

) or period (

) may be used in

its place as the address separator.

Optional semicolons (

[;]

) may be used, if desired, for consistency

with other IOtech products.

Items enclosed in the square brackets (

[item]

) are optional.

Multiple items enclosed in square brackets separated by vertical lines

(

[item1|item2|item]

) are optional, any one or none may be chosen.

No more than one item may be selected.

Ellipses(,,,) within square brackets mean that the items in the

brackets may be repeated as many times as desired. For example

[,addr

,,,

]

means that any number of address separator-address

combinations may be used, up to a maximum of fifteen.

Items enclosed in braces or curly brackets (

{}

) are required.

{item1|item2}

means that exactly one of the enclosed items is

required.

Combinations of brackets are possible. For example,

{term[term][EOI]|EOI}

allows the choice of

term

EOI

term

EOI

, or just EOI, but does not allow the choice

of "nothing."

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Measurement-computing Analyzer488 Manuel d'utilisateur Page 102

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