Delta Electronics VFD-E manual Ldf, Andp, Andf, OUT Y1

Appendix D How to Use PLC Function

Ladder diagram:

Command code: Operation:

LDF

X0

Start X0 falling-edge detection

X0

X1

Y1

AND

X1

Series connection A contact of X1

OUT

Y1

Drive Y1 coil

Mnemonic

Function

ANDP

Rising-edge series connection

Operand

X0~X17

Y0~Y17

M0~M159

T0~15

C0~C7

D0~D29

--

9

9

9

9

9

Explanations:

ANDP command is used in the series connection of the contacts’ rising-edge detection.

Program Example:

Ladder diagram:

Command code: Operation:

LD

X0

Load A contact of X0

X0

X1

Y1

ANDP

X1

X1 rising-edge detection in series connection

OUT

Y1

Drive Y1 coil

Mnemonic

Function

ANDF

Falling-edge series connection

Operand

X0~X17

Y0~Y17

M0~M159

T0~15

C0~C7

D0~D29

9

9

9

9

9

--

Explanations:

ANDF command is used in the series connection of the contacts’ falling-edge detection.

Program Example: Ladder diagram:

X0 X1

	Command code:		Operation:
	LD	X0	Load A contact of X0
Y1
	ANDF	X1	X1 falling-edge detection in series
			connection

OUT Y1 Drive Y1 coil

D-42 Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11