Delta MS300 Series User Manual page 710

Command
LDP Start of rising edge detection action
X0–X17
Operand

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:
Command
Start of falling edge detection action
LDF
X0–X17
Operand

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:
Function
Y0–Y17 M0–M799
 
Function
Y0–Y17 M0–M799
 
701
Chapter 16 PLC Function ApplicationsMS300
Release N0 common
MCR N0
series contact
:
LD X10 Load Contact A of X10
Connection of N0
MC N0
common series contact
LD X11 Load Contact A of X11
OUT Y10 Drive Y10 coil
:
Release N0 common
MCR N0
series contact
T0–159 C0–C79
 
Command
code:
Start of X0 rising edge
LDP X0
detection action
Create a series
AND X1 connection to contact A
of X1
OUT Y1 Drive Y1 coil
T0–159 C0–C79
 
Command code:
Start of X0 falling edge
LDF X0
detection action
Create a series
AND X1 connection to contact A
of X1
OUT Y1 Drive Y1 coil
D0–D399
－
Description:
D0–D399
－
Description: