xLadder user manual-V2.0.0.6

6.14.3 SSTR - CPY

Input/output Operand

Data type

Iput

VB,Constant string, LB, *VD, *LD, *AC

string

INDX, N

VB, IB, QB, MB, SB, SMB, LB, AC,constant, *VD, *LD, *AC

byte

OUT

VB, *VD, LB, *LD, *AC

string

SSTR - CPY:Copy a portion of the input string to the OUT

string.If the value of INDX is X,copy the string starting from

the xth character.The length of the copy string is N.

The longest constant string is 126 bytes.

error conditions:

0006 Indirect address

0091 Operand range

009B Illegal index

ASCII constant string data type format :

String is a series of characters, each character is stored as a byte.The first byte of a

string defines the length of the string, that is the number of characters.If a constant

string is entered directly into the program editor or data block, the string must start

and end with double quotation marks ("string constant").

Example:

Copy VB0 string.Copy the string starting from the second character.The length of the

copy string is 3.The result is placed VB100.

185

Made with FlippingBook - Online magazine maker