Mitsubishi Electric MELSEC-Q/L - Floating-Point Sign Inversion (Single Precision)

6 BASIC INSTRUCTIONS
6.3 Data Conversion Instructions
289
6
Floating-point sign inversion (single precision)
ENEG(P)
*1 Applicable for the Universal model QCPU, LCPU.
Processing details
• Reverses the sign of the 32-bit floating decimal point type real number data designated by (D), and stores at the device
designated by (D).
• Used when reversing positive and negative signs.
Operation error
• 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
• 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.
• Basic model QCPU: The serial number (first five digits) is "04122" or later.
(D): Head number of the devices where the 32-bit floating decimal point data whose sign is to be reversed is stored (real number)
Setting
data
Internal device R, ZR J\ U\G Zn Constant Others
Bit Word Bit Word
(D)   
*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 .

[Ladder Mode] [List Mode]
[Operation]
Basic
Process
High
performance
Redundant Universal LCPU
Ver.
Command
Command
ENEG
ENEGP
D
D
ENEG
ENEGP
Step
Instruction
Device
D101
1.2345
D100
D101
1.2345
D100