Inverting The Sign Of Single-Precision Real Number - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Inverting the sign of single-precision real number

ENEG
This instruction inverts the sign of single-precision real number data.
ST
ENO:=ENEG(EN,d);
■Execution condition
Instruction
ENEG
Setting data
■Description, range, data type
Operand Description
(d) Start device containing the single-precision real number data subject to
sign inversion
EN Execution condition
ENO Execution result
■Applicable devices/labels
Operand Bit
SB
(d)

Processing details
• This instruction inverts the sign of the single-precision real number in the device specified by (d) and store the inverted data
in the device specified by (d).
(d)+1 (d)
1.2345
Single-precision real number
• The instructions are used to invert positive and negative signs.
Operation error
Error code Description
3402H The value input to (d) is -0, a subnormal number, NaN (not a number), or ±∞.
Execution condition
Word
RX, RY, LB SW
 
(d)+1 (d)
-1.2345
Single-precision real number
Range Data type
ANYREAL_32

BOOL

BOOL

Constant
G, RWw, RWr, LW K, H
 
10 REAL VALUE PEOCESSING
10.1 Floating-point instruction
10
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