Mitsubishi MELSEC-A series

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5. SEQUENCE INSTRUCTIONS

5 − 23

MELSEC-A

5.3.3 Edge-triggered differential output

(PLS, PLF)

Available Device

Bit device Word (16-bit) device Constant Pointer

Level

Carry

flag

Error

flag

X Y M L S B F T C D W R A0 A1 Z V K H P I N

Digit specification

Index

M9012 (M9010, M9011)

(D) O O O O O O

*1: Index qualification can be used with AnA, A2AS, AnU, QCPU-A (A Mode) and A2USH board only.

Function PLS

(1) When the PLS command changes from Off to On, the specified device goes On

for 1 scan and when the PLS command is in a state other than Off → On (Off →

Off, On → On, On → Off), the device goes Off.

If there is one PLS instruction from the specified device (D) within 1 scan, the

specified device goes On for 1 scan.

See Section 3.9 concerning operation in the case that the PLS instruction from

the same device is executed multiple times in 1 scan.

PLS command

X005

PLS M0

PLS

PLS command

M0 OFF

X5 OFF

1 scan

Applicable

CPU

All CPUs

PLF command

(D)

Device number to be con-

verted into pulse

Setting data

1 scan

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