Siemens SINUMERIK 840D sl Commissioning Manual page 742

Programming commands
6.3 Functions
6.3.26 STRING functions
Overview
The following functions enable strings to be processed:
● Determine length of string
● Find a character in a string
● Extract substring from left
● Extract substring from right
● Extract substring from mid-string
● Replace substring
LEN function: Length of a string
Syntax:
Description:
Parameters:
Example
DEF VAR01
DEF VAR02
LOAD
VAR01="HALLO"
VAR02=LEN(VAR01)
END_LOAD
124
(string | varname)
LEN
Determines the number of characters in a string
string Every valid string expression. NULL is output if string
is blank.
varname Any valid declared variable name
Only one of the two parameters is allowed.
; Result = 5
SINUMERIK Integrate Run MyScreens (BE2)
Programming Manual, 03/2013, 6FC5397-1DP40-3BA1