Delta AH500 Programming Manual page 635

API Instruction code
2109 $FSTR
Device X Y M
 
S
1
 
S
2
 
D
Symbol:
Explanation:
1. The floating-point number in S
and the conversion result is stored in D.
2. The conversion result varies with the setting of S
3. The value in S +1 should be within the range between 2 and 24.
2
4.
Decimal format
.
Sign
( S1 +1 , S1 )
F loating- poi nt number
Operand
P S , S , D
1 2
S T C HC D
  
  
  
Pulse instruction 16-bit instruction (7-8 steps) 32-bit instruction
AH500
： Source value
S
1
Initial device in which the
：
S
2
format is stored
Initial device in which the
D ：
conversion result is stored
is converted into the string in accordance with the setting of S
1
0: Decimal for mat
S2
1: Ex ponential
Number of characters
S2 +1
Number of dec imal plac es
S2 +2
Dec imal fo ra mt
Numbe r of ch arac ters
Nu mbe r o f de cima l p la ces
D
D
D
D
D
Ch a pt er 6 Ap p l i ed I ns t r uc t i ons
Converting the floating-point
number into the string
L SM SR E PR
 
 

AH500
.
2
S 2
S 2 +1
+2
S 2
b15 b8 b7
F irst ASCII code
T hi rd AS CII c ode
Second ASCII code
+1
F our th ASCII code
+2
Six th ASCII code
+3
Ending charac ter
+4
16#00 (
Automati cally stored at the end of the s tr ing
Function
K 16# "$" DF
 


-
Double word
Word
Word
2
b0
Sign
Decimal poi nt (.)
F ifth ASCII code
)
6 - 4 6 7
,