Mitsubishi MELSEC-Q/L - Page 532

530
EXP, EXPP
[List Mode]
[Operations involved when value designated by X20 to X2F is 650]
: Data of which the exponential value is obtained or head number of the devices where the data is stored (real number)
: Head number of the devices where the operation result will be stored (real number)
*1: Applicable for the Universal model QCPU, LCPU.
Function
(1) Returns the exponent of the value designated by , and stores the results of the operation at the device designated by
.
(2) Exponent operations are calculated taking the base (e) to be "2.71828".
7.12.21 EXP, EXPP Exponent operation on floating-point da ta
(Single precisio n)
7.12.21 EXP, EXPP
• Basic model QCPU: The serial number (first five digits) is
"04122" or later.
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn
Constants
E
Other
Bit Word Bit Word
–– ––
*1
––
–– ––
*1
–– ––
Step Instruction Device
X2F
BCD value
0
D20
650
X20
Conversion
to BIN
BIN
b15 b0
BIN value
650
Conversion to
floating-point
FLTD
SQR operation
SQRD
D11
650
D10D13 D12
D1
25.4951
D0D3 D2
1
2
3
Basic
Process
High
performance
Redundant Universal LCPU
Ver.
Command
Command
EXPP
EXP
EXPP
EXP S D
S D
S
D
S
D
S
D
32-bit floating-point
real number
(
)
32-bit floating-point
real number
e
+1 +1
S DS D