Siemens SINUMERIK, Руководство по вводу в эксплуатацию

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Programming
2.7 Functions
Expanding the user interface
2-98
Commissioning Manual, 11/2006, 6FC5397-0DP10-0BA0
2.7.25 Search Forward, Search Backward (SF, SB)
Description
The SF, SB (Search Forward, Search Backward) function is used to search for a string from
the current cursor position in the NC program currently selected in the Editor and to output
its value.
Programming
Syntax: SF
("String")
Identifiers: Search Forward: Search forward from the current cursor position
Syntax: SB
("String")
Identifiers: Search Backward: Search backward from the current cursor position
Parameters: String Text to be found
Rules governing text search
● A blank must be inserted before and after the search concept unit, consisting of search
string and its value, in the currently selected NC program.
● The system does not search for concepts within comment text or other strings.
● The value to be output must be a numerical expression. Expressions in the form of
"X1=4+5" are not recognized.
● The system recognizes hexadecimal constants in the form of X1='HFFFF', binary
constants in the form of X1='B10010' and exponential components in the form of X1='-
.5EX-4'.
● The value of a string can be output if it contains the following between string and value:
– Nothing
– Blanks
– Equality sign
Example
The following notations are possible:
X100 Y200
Abc = SB("Y")
; The variable Abc is assigned the value 200
X100 Y 200
Abc = SB("Y")
; The variable Abc is assigned the value 200
X100 Y=200
Abc = SB("Y")
; The variable Abc is assigned the value 200