Delta Electronics AC Motor Drive VFD-E User Manual page 323

Appendix D How to Use PLC Function|
Counter
Coils driven up by the OUT
command
Devices driven up by the
SET and RST commands
Application commands
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 supports the nest program structure,
with 8 layers as its greatest. Please use the commands in order from N0~ N7, and refer to
the following:
Program Example:
Ladder diagram:
X0
X1
X2
X3
MCR
MCR
X10
X11
MCR
D-40
The coil is OFF, and the counting value and the contact stay at
their present condition
All turned OFF
Stay at present condition
All of them are not acted , but the nest loop FOR-NEXT
command will still be executed for times defined by users even
though the MC-MCR commands is OFF.
MC N0
Y0
MC N1
Y1
N1
N0
MC N0
Y10
N0
Command code: Operation:
LD X0 Load A contact of X0
MC N0 Enable N0 common series
connection contact
LD X1 Load A contact of X1
OUT Y0 Drive Y0 coil
:
LD X2 Load A contact of X2
MC N1 Enable N1 common series
connection contact
LD X3 Load A contact of X3
OUT Y1 Drive Y1 coil
:
MCR N1 Disable N1 common series
connection contact
:
MCR N0 Disable N0 common series
connection contact
:
LD X10 Load A contact of X10
MC N0 Enable N0 common series
connection contact
Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11