32-Bit To Floating: Fltl(453) - Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual

Floating-point Math Instructions
Flags
Precautions

3-15-4 32-BIT TO FLOATING: FLTL(453)

Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
Example conversions:
A signed binary value of 3 is converted to 3.0.
A signed binary value of –3 is converted to –3.0.
Name Label
Error Flag ER
Equals Flag =
Negative Flag N
The content of S must contain signed binary data with a (decimal) value in the
range of –32,768 to 32,767.
Converts a 32-bit signed binary value to 32-bit floating-point data and places
the result in the specified result words.
FLTL(453)
S: First source word
S
R: First result word
R
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Block program areas
OK OK
Area
CIO Area
Work Area
Holding Bit Area
Auxiliary Bit Area
Timer Area
Counter Area
DM Area
EM Area without bank
EM Area with bank
Indirect DM/EM
addresses in binary
Operation
OFF
ON if both the exponent and mantissa of the result are 0.
OFF in all other cases.
ON if the result is negative.
OFF in all other cases.
Step program areas Subroutines
OK
S
CIO 0000 to CIO 6142
W000 to W510
H000 to H510
A000 to A958
T0000 to T4094
C0000 to C4094
D00000 to D32766
E00000 to E32766
En_00000 to En_32766
(n = 0 to C)
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
Section 3-15
FLTL(453)
@FLTL(453)
Not supported.
Interrupt tasks
OK
R
A448 to A958
599