Siemens SIMATIC S7-200 System Manual page 200

S7-200 Programmable Controller System Manual
Copy Substring from String
The Copy Substring from String instruction (SSCPY) copies
the specified number of characters N from the
string specified by IN, starting at the index INDX, to a new
string specified by OUT.
Error conditions that set ENO = 0
H 0006 (indirect address)
H 0091 (range error)
H 009B (index=0)
Table 6-66 Valid Operands for the Copy Substring from String Instructions
Inputs/Outputs
IN
OUT
INDX, N
Example: Copy Substring Instruction
Before executing the program
VB0
11 'H'
After executing the program
VB20
5 'W'
186
Data Types Operands
STRING VB, LB, *VD, *LD, *AC, Constant String
STRING VB, LB, *VD, *LD, *AC
BYTE IB, QB, VB, MB, SMB, SB, LB, AC, *VD, *LD, *AC, Constant
Network 1
LD
SSCPY
'E' 'L' 'L' 'O' ' '
VB25
'O' 'R' 'L' 'D'
//Starting at the seventh character in
//the string at VB0, copy 5 characters
//to a new string at VB20
I0.0
VB0, 7, 5, VB20
VB11
'W' 'O' 'R' 'L' 'D'