Delta Electronics VFD-E manual Pls

Appendix D How to Use PLC Function
	Mnemonic			Function
	PLS			Rising-edge output
	Operand	X0~X17	Y0~Y17	M0~M159	T0~15	C0~C7	D0~D29
		--	9	9	--	--	--

Explanations:

When X0=OFF→ON (rising-edge trigger), PLS command will be executed and M0 will send the pulse of one time which the length is a scan time.

Program Example:

Ladder diagram:

Command code:

Operation:

X0

PLS

M0

LD

X0

Load A contact of X0

PLS

M0

M0 rising-edge output

M0

SET

Y0

LD

M0

Load the contact A of M0

Timing Diagram:

SET

Y0

Y0 latched (ON)

X0

M0

a scan time

Y0

Mnemonic

Function

PLF

Falling-edge output

Operand

X0~X17

Y0~Y17

M0~M159

T0~15

C0~C7

D0~D29

--

9

9

--

--

--

Explanations:

When X0= ON→OFF (falling-edge trigger), PLF command will be executed and M0 will send the pulse of one time which the length is the time for scan one time.

D-44 Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11