Справочник Пользователя для Mitsubishi Electronics FXCPU
11 Applied Instructions (Data Operation)
11.4 SUM / Sum of Active Bits
236
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
11.4
SUM / Sum of Active Bits
Outline
This instruction counts the number of "1" (ON) bits in the data of a specified device.
1. Format and operation, execution form
2. Set data
3. Applicable devices
S: Refer to "Cautions".
FX
3U(C)
FX
3G(C)
FX
3S
FX
2N(C)
FX
1N(C)
FX
1S
FX
U
/FX
2C
FX
0N
FX
0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD
ST
SUM
16 bits
Continuous
SUM(EN,s,d);
SUMP
16 bits
Pulse
SUMP(EN,s,d);
DSUM
32 bits
Continuous
DSUM(EN,s,d);
DSUMP
32 bits
Pulse
DSUMP(EN,s,d);
Variable
Description
Data type
16-bit
operation
32-bit
operation
Input
variable
variable
EN
Execution condition
Bit
Word device storing the data
ANY16
ANY32
Output
variable
variable
ENO
Execution state
Bit
Word device storing the result data
ANY16
ANY32
Operand
type
Bit Devices
Word Devices
Others
System User
Digit Specification
System
User
Special
Unit
Index
Constant
Real
Number
Character
String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modifier K
H
E
"
"
P
z
z
z
z z z z
S1
S2
z z
z
z
z
z
z
z z z z
S1
S2
z z
z
SUM
EN
s
ENO
d
SUMP
EN
s
ENO
d
DSUM
EN
s
ENO
d
DSUMP
EN
s
ENO
d