Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual KnX KnY KnM KnS T C PLF 3 steps

3. Instruction

Set

API

Mnemonic

Operands

Function

Controllers

99

PLF

Falling-edge output

ES2/EX2 SS2 SA2 SX2

SE

Type

Bit Devices

Word devices

Program Steps

OP

X

Y

M

S

K H KnX KnY KnM KnS T C

D

E

F

PLF: 3 steps

S

*

*

PULSE

16-bit

32-bit

ES2/EX2	SS2	SA2	SX2	ES2/EX2	SS2	SA2	SX2	ES2/EX2	SS2	SA2	SX2
		SE				SE				SE

Operands:

S: Falling pulse output device

Explanations:

When X0 goes from ON to OFF (Falling-edge trigger), PLS instruction executes and S generates a cycle pulse for one operation cycle.

Program Example:

Ladder Diagram:

X0

PLF M0

M0

SET Y0

Timing Diagram:

X0

M0

Y0

A scan cycle

Instruction Code:		Operation:
LD	X0	; Load NO contact X0
PLF	M0	; M0 falling-edge output
LD	M0	; Load NO contact M0
SET	Y0	; Y0 latched (ON)

3 - 2 6 7