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Mitsubishi Electric MELSEC-Q/L - Page 566

Mitsubishi Electric MELSEC-Q/L
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564
7 APPLICATION INSTRUCTIONS
7.11 Character String Processing Instructions
When using exponent format
For example, in a case where there are 12 digits in total, with 4 digits in the decimal fraction part, and the value designated is
-12.34567, the operation result would be stored in the area starting from (D) in the following manner:
The total number of digits that can be designated by (S2)+1 is as shown below:
The number of digits of decimal fraction part that can be designated by (S2)+2 is from 0 to 7. However, the number of digits
in the decimal fraction portion should be equal to or less than the total number of digits minus 7.
When the number of decimal fraction digits is "0": Number of digits (max.: 24) 2
When the number of decimal fraction digits is other than "0": Number of digits (max.: 24) (Number of decimal fraction digits + 7)
ASCII code for the sign
b8b7 b0
Total number of digits
Number of digits in decimal fraction
+2
.
Sign (for integer)
+1
00H
Automatically stored at
the end of character sting
+2
+3
+4
+5
+6
Sign (for exponent)
E
Exponent format
+1
32-bit floating-point real number
Automatically added
+1
ASCII code for the
(total number of digits-2)th
digit
45H (E)
ASCII code for the
(total number of digits-4)th
digit
ASCII code for the
(total number of digits-6)th
digit
ASCII code for the
(total number of digits-10)th
digit
ASCII code for the
(total number of digits-1)th
digit
ASCII code for decimal
point (.) (2E
H)
ASCII code for the
(total number of digits-5)th
digit
ASCII code for the sign
(for exponent)
ASCII code for the
(total number of digits-7)th
digit
ASCII code for the
(total number of digits-11)th
digit
S1
S2
D
S2
S2
S1
D
D
D
D
D
D
b15
12
4
+2
.
Sign (for integer)
Automatically added
Sign (for exponent)
+
1
+1
32-bit floating-point real number
+1
b8 b7 b0
00
H
+1
+2
+3
+4
+5
+6
-12.34
1- 234 6 E 01
2D
H (-)
31
H (1)
32
H (2)
34
H (4)
45
H (E)
30
H (0)
20
H (space)
2E
H (.)
33
H (3)
36
H (6)
2C
H (+)
31
H (1)
S2
S1
D
D
D
D
D
D
D
S1
S2
S2
567
b15

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