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Floating-point Math Instructions
Section 3-15
3-15-25 FLOATING-POINT TO ASCII: FSTR(448)
Purpose
Expresses a 32-bit floating-point value (IEEE754-format) in standard decimal
notation or scientific notation and converts that value to ASCII text.
This instruction is supported by CS1-H, CJ1-H, CJ1M, and CS1D CPU Units
only.
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
2.3>
−
3.5
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0
15
0
0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 1
15
0
S1 :D00100
S1+1:D00101
S2 :D00200
S2+1:D00201
4294967296<5566555656
1 1 1 0 0 1 0 1 0 1 1 1 0 0 1 1
0 1 0 0 1 1 1 1 1 0 1 0 0 1 0 1
15
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 1 1 1 1 1 0 0 0 0 0 0 0
15
0
S1 :D00100
S1+1:D00101
S2 :D00200
S2+1:D00201
FLOATING LESS THAN Comparison (<F)
Yields an ON condition.
Decimal value: 4,294,967,296
Decimal value:
−
3.5
Does not yield an ON condition.
Decimal value: 2.3
Decimal value: 5,566,555,656
FSTR(448)
S
C
D
S: First source word
C: First control word
D: First destination word
Variations
Executed Each Cycle for ON Condition
FSTR(448)
Executed Once for Upward Differentiation
@FSTR(448)
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Not supported.
Block program areas
Step program areas
Subroutines
Interrupt tasks
OK
OK
OK
OK
Area
S
C
D
CIO Area
CIO 0000 to
CIO 6142
CIO 0000 to
CIO 6141
CIO 0000 to
CIO 6143
Work Area
W000 to W510
W000 to W509
W000 to W511
Holding Bit Area
H000 to H510
H000 to H509
H000 to H511
Auxiliary Bit Area
A000 to A958
A000 to A957
A448 to A959
Timer Area
T0000 to T4094
T0000 to T4093
T0000 to T4095
Counter Area
C0000 to C4094
C0000 to C4093
C0000 to C4095
DM Area
D00000 to D32766 D00000 to D32765 D00000 to D32767
EM Area without bank E00000 to E32766 E00000 to E32765 E00000 to E32767
Summary of Contents for SYSMAC CS Series
Page 2: ......
Page 4: ...iv ...
Page 30: ...xxx ...
Page 186: ...146 List of Instructions by Function Code Section 2 4 ...
Page 1320: ...1280 Model Conversion Instructions Unit Ver 3 0 or Later Section 3 35 ...
Page 1390: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...
Page 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
Page 1392: ...1352 ASCII Code Table Appendix A ...
Page 1404: ...1364 Revision History ...