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

Inverting the sign of double-precision real number

EDNEG
This instruction inverts the sign of double-precision real number data.
ST
ENO:=EDNEG(EN,d);
■Execution condition
Instruction
EDNEG
Setting data
■Description, range, data type
Operand Description
(d) Start device containing the double-precision real number 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 double-precision real number data in the device specified by (d) and store the
inverted data in the device specified by (d).
(d)+3 (d)+2 (d)+1 (d)
4.23542
Double-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 ±∞.
10 REAL VALUE PEOCESSING
114
10.1 Floating-point instruction
Execution condition
Word
RX, RY, LB SW
 
(d)+3 (d)+2 (d)+1 (d)
-4.23542
Double-precision real number
Range



G, RWw, RWr, LW

Data type
ANYREAL_64
BOOL
BOOL
Constant
K, H
