Mitsubishi MELSEC-Q/L User Manual

152
PLS, PLF
: Pulse conversion device (bits)
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 Page 115, 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.
(3) When designating a latch relay (L) for the execution command and turning the power supply OFF to ON with the latch
relay ON, the execution command turns OFF to ON at the first scan, executing the PLS instruction and turning ON the
designated device.
The device turned ON at the first scan after power-ON turns OFF at the next PLS instruction.
5.3.8 PLS Leading edge output
PLF Trailing edge o utput
5.3.8 PLS, PLF
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn Constants
Other
DY
Bit Word Bit Word
––
Basic
Process
High
performance
Redundant Universal LCPU
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
P
LS
X0 OFF
M0 OFF
ON
PLS
M0
LD X0
END0END
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".

Mitsubishi MELSEC-Q/L Specifications

General

Brand	Mitsubishi
Model	MELSEC-Q/L
Category	Controller
Language	English