Ldp - Delta C2000 series User Manual

2. MCR is the main-control ending command that is placed at the end of the
main-control program and there should not be any contact commands prior to the
MCR command.
3. Commands of the MC-MCR main-control program support the nest program
structure, with 8 layers as its greatest. Please use the commands in order from N0~
N7, and refer to the following:
Ladder Diagram:
Example
X0
X1
X2
X3
X10
X11
Mnemonic
Rising-edge detection operation

LDP

X0~X17
Operand

Usage of the LDP command is the same as the LD command, but the motion is
different. It is used to reserve present contents and at the same time, saving the
MC
N0
Y0
MC
N1
Y1
N1
MCR
MCR N0
MC
N0
Y10
N0
MCR
Function
Y0~Y17 M0~M799
 
16-42
Chapter 16 PLC Function C2000 Series
Command code: Operation:
Load A contact of X0
LD X0
Enable N0 common
series connection
MC N0
contact
Load A contact of X1
LD X1
Drive Y0 coil
OUT Y0
:
Load A contact of X2
LD X2
Enable N1 common
series connection
N1
MC
contact
Load A contact of X3
LD X3
Drive Y1 coil
OUT Y1
:
Disable N1 common
series connection
MCR N1
contact
:
Disable N0 common
series connection
MCR N0
contact
:
Load A contact of X10
LD X10
Enable N0 common
MC series connection
N0
contact
Load A contact of X0
LD X11
Enable N0 common
OUT Y10 series connection
contact
Load A contact of X1
:
Drive Y0 coil
MCR N0
T0~159 C0~C79
 
D0~D399
－