Delta VFD2A7MS43ANSAA User Manual

Chapter 16 PLC Function ApplicationsMS300
701
MCR
N0
Release N0 common
series contact
:
LD
X10
Load Contact A of X10
MC
N0
Connection of N0
common series contact
LD
X11
Load Contact A of X11
OUT
Y10
Drive Y10 coil
:
MCR
N0
Release N0 common
series contact
Command
Function
LDP
Start of rising edge detection action
Operand
X0–X17
Y0–Y17
M0–M799
T0–159
C0–C79
D0–D399





－
The LDP command has the same use as LD, but its action is different. Its function is
to save the current content while also saving the detected state of the rising edge of
the contact to the cumulative register.
Ladder diagram:
X1
Y1
X0
Command
code:
Description:
LDP
X0
Start of X0 rising edge
detection action
AND
X1
Create a series
connection to contact A
of X1
OUT
Y1
Drive Y1 coil
Command
Function
LDF
Start of falling edge detection action
Operand
X0–X17
Y0–Y17
M0–M799
T0–159
C0–C79
D0–D399





－
The LDF command has the same use as LD, but its action is different. Its function is to
save the current content while also saving the detected state of the falling edge of the
contact to the cumulative register.
Ladder diagram:
X1
Y1
X0
Command code:
Description:
LDF
X0
Start of X0 falling edge
detection action
AND
X1
Create a series
connection to contact A
of X1
OUT
Y1
Drive Y1 coil

Delta VFD2A7MS43ANSAA Specifications

General

Brand	Delta
Model	VFD2A7MS43ANSAA
Category	DC Drives
Language	English