Delta C2000 Series User Manual page 539

Chapter 16 PLC Functions Applications
Command
NOP No action
Operand
The command NOP does not perform any operation in the program. Because
execution of this command will retain the original logical operation results, it can be
used in the following situation: the NOP command can be used instead of a command
that is deleted without changing the program length.
Ladder diagram:
Command
INV Inverse of operation results
Operand
Saves the result of the logic inversion operation prior to the INV command in the
cumulative register.
Ladder diagram:
Command
P Index
Operand
Pointer P is used to subprogram call command API 01 CALL. Use does not require
starting from zero, but the number cannot be used repeatedly, otherwise an
unpredictable error will occur.
Ladder diagram:
P10
C2000 Series
X0
NOP
X0
X0
CALL
X1
Y1
Function
N/A
Command code:
LD
NOP
OUT
Y1
Function
N/A
Command code:
LD
Y1
INV
OUT
Function
P0~P255
Command code:
LD
P10
CALL
P10
LD
OUT
16-48
Description:
X0 Load Contact b of X0
No action
Y1 Drive Y1 coil
Description:
X0 Load Contact a of X0
Inverse of operation
results
Y1 Drive Y1 coil
Description:
X0 Load Contact a of X0
P10 Call command CALL to
P10
Pointer P10
X1 Load Contact a of X1
Y1 Drive Y1 coil