10 asc% function, 11 len% function, 12 str$ function – Rockwell Automation 57C610 Enhanced Basic Language, AutoMax User Manual

Page 92

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7Ć4

The function returns a string character, corresponding to the

decimal ASCII value of the input expression:

STRINGS$ = CHR$(41H)

(STRING$ is loaded with `A')

STRINGS$ = CHR$(30H)

(STRING$ is loaded with `0')

STRINGS$ = CHR$(2AH)

(STRING$ is loaded with `*')

7.10

ASC% Function

Format:

ASC%(string)

where:

string can be a string variable or string expression.

The function returns the ASCII value of a single string character (the

opposite of the CHR$ function):

STRING$ = `5'
NUMBER% = ASC%(STRING$) (NUMBER% has the

ąąąąąąąąąvalue 35H)

7.11

LEN% Function

Format:

LEN%(string expression)

where:

expression must be of string type.

The function returns the length of the string expression:

STR_LEN% = LEN%(`STRING') (STR_LEN% is loaded

ąąąąąąąąąăwith 6)

STR1$ = `AVCDFG'
STR_LEN% = LEN%(STR1$ + 23") (STR LEN% is

ąąąąąąąąąloaded with 8)

7.12

STR$ Function

Format:

STR$(expression)

where:

expression must be of numeric (integer or real) type.

The function returns a string of characters from a numeric

expression:

STRING$ = STR$(1224)

(STRING$ is loaded with 1224)

NUM1% = 32
STRING$ = STR$(NUM1%*3) (STRING$ is loaded with 96)
STRING$ = STR$(388.73612) (STRING$ is loaded with

ąąąąąą+.38873612E03)

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