248
ENEG, ENEGP
:
Head number of the devices where the 32-bit floating decimal point data whose sign is to be reversed is stored (real number)
*1:
Available only in multiple Universal model QCPU and LCPU
Function
(1) Reverses the sign of the 32-bit floating decimal point type real number data designated by , and stores at the device
designated by .
(2) Used when reversing positive and negative signs.
Operation Error
(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into
SD0.
Program Example
(1) The following program inverts the sign of the 32-bit floating decimal point type real number data at D100 and D101 when
X20 goes ON, and stores result at D100 and D101.
[Ladder Mode]
[List Mode]
[Operation]
ENEG, ENEGP
Floating-point sign inversion (Single precision)
6.3.12
ENEG, ENEGP
• Basic model QCPU: The serial number (first five digits) is
"04122" or later.
Setting
Data
Internal Devices
R, ZR
J \
U \G
Zn
Constants
Other
Bit
Word
Bit
Word
––
––
*1
––
Error
code
Error details
Q00J/
Q00/
Q01
QnH
QnPH QnPRH
QnU
LCPU
4140
The specified device value is not within the following range:
0, 2
-126
| Specified device value | < 2
128
The specified device value is 0, unnormalized number, nonnumeric,
and ±
.
––
––
––
––
Basic
Process
High
performance
Redundant Universal
LCPU
Ver.
Command
Command
ENEG
ENEGP
D
D
ENEG
ENEGP
D
D
D
D
Step
Instruction
Device
D101
1.2345
D100
D101
1.2345
D100