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PLS,PLF
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.3 Out
put Instruction
s
5
.3.8 Leading edge a
nd trailing ed
ge outputs (PLS,PLF
)
5.3.8  
Leading edge and trailing edge outputs (PLS,PLF)
PLS,PLF
Function
PLS
(1) Turns ON the designated device when the execution command is turned OFF ON, and 
turns OFF the device in any other case the execution command is turned OFF   ON (i.e., at 
ON   ON, ON   OFF or OFF   OFF of the execution command).
When there is one PLS instruction for the device designated by 
 during one scan, the 
specified device turns ON one scan.
See Section 3.9 for the operation to be performed when the PLS instruction for the same 
device is executed more than once during one scan.
(2) If the RUN/STOP key switch is changed from RUN to STOP after the execution of the PLS 
instruction, the PLS instruction will not be executed again even if the switch is set back to 
RUN.
: Pulse conversion device (bits)
Setting 
Data
Internal Devices 
R, ZR
J
\
U
\G
Zn
Constants
Other
DY
Bit
Word
Bit
Word
––
Basic
Process
High
performance
Redundant Universal
Command
Command
PLF
PLS
D
D
PLS
PLF
D
D
D
X5 OFF
M0 OFF
ON
ON
1 scan
1 scan
X5
M0
PLS
X0
M0
PLS
X0 OFF
M0 OFF
ON
PLS 
M0
LD X0
END
0
END
PLS M0
LD X0
END
PLS M0
LD X0
CPU operation 
stop time
CPU operation 
stop time
0
1 scan of PLS M0
ON
Operating the 
RUN/STOP key 
switch of CPU module 
"RUN      STOP".
Operating the 
RUN/STOP 
key switch of 
CPU module 
"STOP      RUN".
Operating the 
RUN/STOP 
key switch of 
CPU module 
"RUN      STOP".
Operating the 
RUN/STOP 
key switch of 
CPU module 
"STOP      RUN".