Delta AS Series Programming Manual page 1038

AS Ser ies Pro gra mm in g M anu al
API Instruction code
2106
Device X

S
D
Data
type
S
D
Symbol
_6
Explanation
1. This instruction calculates the length of the string in S, exclusive of the ending character (16#00), and stores the
length of the string in D.
2. The value stored in D must be between 0–32767. If it exceeds this range, the value in D is processed as 32767.
S
S+1
S+2
S+ n
If the data in S-S+4 is ABCDEFGHI, the calculation result is as follows.
6 - 7 5 8
$LEN P
Y M S T C
  
  


b15 b8 b 7
Sec ond char acter Fi rs t c haracter
F ourth c harac ter Thir d char acter
Six th c harac ter Fifth charac ter
1 6#00
n c harac ter th
(En d ing c ha ract er)
Operand
S, D
HC D FR SM




Pulse instruction
AS
S ： String
D ： Length of the string
b0
b15
Function
Calculating the length of a string
SR E K 16#
 
16-bit instruction 32-bit instruction
AS
b0
n
Length of the s tring
"$" F

-
D