Siemens SM2 monitoring system, U3585-J-Z125-8-76 1

U3585-J-Z125-8-76 407

Appendix SDF syntax description

Metasyntax

Representation Meaning Examples

UPPERCASE

LETTERS Uppercase letters denote keywords

(command, statement and operand

names, keyword values) and

constant operand values.

Keywords begin with *

HELP-SDF

SCREEN-STEPS =*NO

UPPERCASE

LETTERS

in boldface

Uppercase letters printed in

boldface denote guaranteed or

suggested abbreviations of

keywords.

GUIDANCE-MODE =*YES

=The equals sign connects an

operand name with the associated

operand values.

GUIDANCE-MODE =*NO

< > Angle brackets denote variables

whose range of values is described

by data types and sufﬁxes (see

Tables 10 and 11).

SYNTAX-FILE = <filename 1..54>

Underscoring Underscoring denotes the default

value of an operand.

GUIDANCE-MODE =*NO

/A slash serves to separate

alternative operand values.

NEXT-FIELD =*NO / *YES

(…) Parentheses denote operand

values that initiate a structure.

,UNGUIDED-DIALOG =*YES (...) / *NO

[ ] Square brackets denote operand

values which introduce a structure

and are optional. The subsequent

structure can be speciﬁed without

the initiating operand value.

SELECT= [*BY-ATTRIBUTES](...)

Indentation Indentation indicates that the

operand is dependent on a higher-

ranking operand.

,GUIDED-DIALOG =*YES (...)

*YES(...)

SCREEN-STEPS =*NO /

*YES

Table 9:Metasyntax (part 1 of 2)