Mitsubishi MELSEC QCPU - Addition and Subtraction of Floating Decimal Point Data (E+, E+P, E-, E-P)

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MELSEC-Q/QnA
6 BASIC INSTRUCTIONS
High Performance
QnA Q4AR
Basic
QCPU
PLC CPU
Process CPU
6.2.9 Addition and subtraction of floating decimal point data (E+, E+P, E-, E-P)
Usable Devices
Internal Devices
(System, User)
MELSECNET/10(H)
Direct J
\
Set
Data
Bit Word
File
Register
Bit Word
Special
Function
Module
U
\G
Index
Register
Zn
Constant
E
Other
S
D
[Instruction Symbol] [Execution Condition]
indicates the signs E+ or E -
Command
Command
P
E+, E -
E+P, E - P
DS
DS
[Set Data]
Set Data Meaning Data Type
S
Addition or subtraction data, or head number of device storing additon or
subtractraction data
D
Data to be added to or subtracted from, or head number of device storing
such data
Real number
[Functions]
E
+
(1) Adds the floating decimal point type real number designated at
D
and the floating decimal
point type real number designated at
S
, and stores the sum in the device designated at
D
.
+1
Floating decimal point
type real number
+
+1
Floating decimal point
type real number
+1
Floating decimal point
type real number
S
D D
S
D D
(2) Values which can be designated at
S
and
D
and which can be stored, are as follows:
0, ±2
-126
| Designated value (stored value) | < ±2
128
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