Subtracting single-precision real numbers
E-(P) [when two operands are set]
RnPCPU
RnPCPU
RnCPU RnENCPU
(Process)
(Redundant)
These instructions perform subtraction between single-precision real numbers.
Ladder
(s)
(d)
FBD/LD
Not supported
( Page 723 E-(P) [when three operands are set])
■Execution condition
Instruction
E-
E-P
Setting data
■Description, range, data type
Operand
Description
(s)
Subtrahend data or the start device where subtrahend data
is stored
(d)
Start device where minuend data is stored
■Applicable devices
Operand
Bit
X, Y, M, L,
J\
SM, F, B, SB,
FX, FY
(s)
(d)
Processing details
• These instructions subtract the single-precision real number in the device specified by (s) from the single-precision real
number in the device specified by (d), and store the result in the device specified by (d).
(d)+1
(d)
-
Single-precision real number Single-precision real number
-126
|specified value (stored value)| <2
• Value 0 or 2
• When an input value is set using the engineering tool, a rounding error may occur. Refer to the following for the precautions
on setting input values using the engineering tool.
Page 49 Precautions
RnSFCPU RnSFCPU
(Standard)
(Safety)
Execution condition
Word
T, ST, C, D, W,
U\G, J\,
SD, SW, FD, R,
U3E\(H)G
ZR, RD
(s)+1
(s)
(d)+1
Single-precision real number
128
can be specified or stored in the devices specified by (s) and (d).
ST
Not supported
( Page 723 E-(P) [when three operands are set])
Range
Data type
-126
128
|(s)|<2
0, 2
Single-precision real
number
-126
128
|(d)|<2
0, 2
Single-precision real
number
Double word Indirect
Z
LT, LST,
LZ
LC
(d)
7 APPLICATION INSTRUCTIONS
Data type (label)
ANYREAL_32
ANYREAL_32
Constant
Others
specification
K, H E
$
7.9 Real Number Instructions
7
721