Delta C200 Series User Manual page 323

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Ladder diagram:
Example
Timing Diagram:
X0
M0
Y0
Mnemonic
Program End
END
Operand
Mnemonic
No action
NOP
Operand
NOP command does no operation in the program; the result of executing this
command will remain the logic operation. Use NOP command if user wants to delete
certain command without changing the length of the program.
Ladder diagram:
Example
Mnemonic
Inverse operation result
INV
Operand
The operation result (before executing INV command) will be saved inversely into
cumulative register.
Ladder diagram:
Example
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X0
M0
PLS
M0
Y0
SET
Time for one scan cycle
It needs to add the END command at the end of ladder diagram program or
command program. PLC will scan from address o to END command, after the
execution it will return to address 0 and scan again.
NOP command will be simplified and not
displayed when the ladder diagram is
displayed.
X0
NOP
X0
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Chapter 14 PLC Function |C200 Series
Command code:
LD
PLF
LD
SET
Function
None
Function
None
Command code:
LD
NOP
OUT
Y1
Function
None
Command code:
LD
Y1
INV
OUT
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Operation:
Load contact A of X0
X0
M0 falling-edge output
M0
Load contact A of M0
M0
Y0 latched (ON)
Y0
Operation:
X0
Load contact B of X0
No function
Y1 Drive Y1 coil
Operation:
X0 Load contact A of X0
Operation result
inversed
Y1 Drive Y1 coil
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