7.16 Program Control Instructions
7.16.4 Registering program as low-speed execution type
7-343
7
APPLI
C
A
T
IO
N
INSTRUCTIONS
PLO
W
PLOW
7.16.4
Registering program as low-speed execution type
PLOW
Function
(1) Sets the program whose file name is stored in the device specified for
in the low-speed
execution type.
(2) Only the programs stored in the drive number 0 (program memory/built-in RAM) can be set
in the low-speed execution type.
(3) Specified programs assume the low-speed execution type with END processing.
When programs A, B, and C exist and program A performs the PLOW(P) instruction of
program D. (Assume that the constant scan has been set.)
(4) This instruction will be given priority even in cases when a program execution type has been
specified in the parameters.
PLOW(P)
P: Executing condition
:
indicates any of the following
instructions.
PLOW
PLOWP
Input argument,
EN:
Executing condition
:Bit
s:
File name whose program is set to the low-speed execution
type
:String
Output argument,
ENO:
Execution result
:Bit
Setting
data
Internal device
R, ZR
J
\
U
\G
Zn
Constant
$
Others
Bit
Word
Bit
Word
−
−
−
Universal
UD
High
Performance
Structured ladder
ST
P
LOW
EN
ENO
s
P
LOW
(EN,
s
);
ENO:=
s
s
Example
A
B
C
EN
D
A
B
Program
D
i
s
execute
d
E
xecut
i
on
of
P
LOW(
P
) i
nstruct
i
on
C
D
EN
D
S
can
S
can
W
a
i
t
i
ng
for
constant
Summary of Contents for MELSEC Q Series
Page 1: ...Structured Programming Manual Mitsubishi Programmable Controller QCPU Common Instructions ...
Page 2: ......
Page 14: ...A 12 MEMO ...
Page 340: ...6 178 MEMO MTR ...
Page 708: ...7 368 MEMO ...
Page 776: ...8 68 MEMO ...
Page 796: ...9 20 MEMO ...
Page 804: ...App 8 MEMO ...
Page 812: ...Index 8 MEMO ...
Page 815: ......