Delta AS Series Programming Manual page 1046

AS Ser ies Pro gra mm in g M anu al
API Instruction code
2110
Device X

S
D
Data
type
S
D
Symbol
Explanation
1. This instruction converts a string in S into a floating-point number, and stores the conversion result in D.
_6
S
S + 1
S + 2
......
S +n-1
S +n

Refer to the following sections for the ASCII code usage.

For decimal or exponential formats, the maximum length for the floating-point string (m) is 24 characters
(excluding the ending character 16#00) and the maximum length of n is 13 characters.
6 - 7 6 6
$FVAL P
Y M S T C
  
  

High byte
Second ASCII code First ASCII code
Fourth ASCII code Third ASCII code
Fifth ASCII code
Sixth ASCII code
......
m-1th ASCII code
mth ASCII code
16#00
ending character
Floating-point string
Operand
S, D
HC D FR SM
 


Pulse instruction 16-bit instruction
AS
S ： Source value
D ： Device where the conversion result is stored
Low byte

Function
Converting a string into a floating-point
number
SR E K 16#

32-bit instruction
AS
（D+1，D）
Floating-point number
"$" F


-