Mitsubishi MELSEC Q Series Programming Manual

7-284
POWD(P)
7.12.18 Exponentiation operation on floating-point data
(Single precision) (POWD(P))
POWD(P)
*1: Available only for real number
Function
(1) This instruction raises the 64-bit floating-point data type real number specified by to the
number nth specified by power, and then stores the operation result into the device
specified by .
(2) The following shows the values to be specified by and stored into or
0, 2
-1022
| Set values (Storage values) | < 2
1024
(3) If the value resulted from the operation is 0 or an underflow occurs, the result will be
processed as 0.
QnU(D)(H)CPU: The serial number (first five digits) is "10102" or later.
QnUDE(H)CPU: The serial number (first five digits) is "10102" or later.
: Exponentiation recipient data or head number of the devices where the exponentiation recipient data are
stored (real number)
: Exponentiation data or head number of the devices where the data are stored (real number)
: Head number of the devices where the operation result will be stored (real number)
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn
Constants
E
Other
Bit Word Bit Word
–– –– ––
*1
––
–– –– ––
*1
––
–– –– –– –– ––
Basic
Process
High
performance
Redundant
Ver.
Universal
LCPU
POWD
POWDP
S1 S2
D
S1 S2
D
POWD
POWDP
Command
Command
S1
S2
D
S1
S2
D
S1
S2
D
64-bit floating-point data type real number 64-bit floating-point data type real number
××
raised to the power of is carried out.
Exponentiation recipient data
Exponentiation data
……… ×
D
DDD
＋3 ＋2 ＋1
＋3 ＋2 ＋1
＋3 ＋2 ＋1＋3 ＋2 ＋1
＋3 ＋2 ＋1 ＋3 ＋2 ＋1
＋3 ＋2 ＋1
＋3 ＋2 ＋1
S1
S2
S2
S2
S2
S2
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S2 S2
S2
S1
S1
S1 S1 S1 S1
S1
S2

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English