Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

Page: 471 / 2110

6 BASIC INSTRUCTIONS
6.6 Data Conversion Instructions
469
6
Two's complement of 32-bit binary data (sign inversion)
DNEG(P)
These instructions invert the sign of 32-bit binary device.
■ Execution condition
Setting data
■
Description, range, data type
■
Applicable devices
Processing details
• These instructions invert the sign of the 32-bit binary data in the device specified by (d) and store the inverted data in the
device specified by (d).
• The instructions are used to invert positive and negative signs.
Ladder ST
ENO:=DNEG(EN,d);
ENO:=DNEGP(EN,d);
FBD/LD
Instruction Execution condition
DNEG
DNEGP
Operand Description Range Data type Data type (label)
(d) Start device where the data subjected to two's complement
is stored  32-bit signed binary ANY32
EN Execution condition  Bit BOOL
ENO Execution result

Bit BOOL
Operand Bit Word Double word Indirect
specification
Constant Others
X, Y, M, L,
SM, F, B, SB,
FX, FY J  \  T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD U  \G  , J  \  ,
U3E

\(H)G

Z LT, LST,
LC LZ K, H E $
(d)
           
RnCPU RnENCPU
RnSFCPU RnSFCPU RnPCPU RnPCPU
(Standard) (Safety) (Redundant) (Process)
(d)
EN ENO
d
1
(d)
(d)
∙∙∙ b31 b0
1 1 1 1 1 1 1 1 0 0 0 1 0 0
∙∙∙ b31 b0
0 0 0 0 0 0 0 0 1 1 1 1 0 0
1 1 1 1 1 1 1 1 0 0 0 1 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0
-
∙∙∙ -218460
∙∙∙ 218460
Before execution
Sign conversion
After execution