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Floating-point Math Instructions Section 3-15
3-15-25FLOATING-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
0000000000000000
1100000001100000
15 0
0011001100110011
0100000000010011
15 0
S1 :D00100
S1+1:D00101
S2 :D00200
S2+1:D00201
4294967296<5566555656
1110010101110011
0100111110100101
15
0000000000000000
0100111110000000
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
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