D-64
API Mnemonic Operands Function
24 INC P D Increment
Type
OP
Bit Devices Word devices Program Steps
X Y M K H KnX KnY KnM T C D INC, INCP: 3 steps
D * * * * *
Operands:
D: Destination device
Explanations:
1. If the instruction is not a pulse execution one, the content in the designated device D will
plus “1” in every scan period whenever the instruction is executed.
2. This instruction adopts pulse execution instructions (INCP).
3. In 16-bit operation, 32,767 pluses 1 and obtains -32,768.
Program Example:
When X0 goes from Off to On, the content in D0 pluses 1 automatically.
X0
INCP D0
API
Mnemonic Operands Function
25 DEC P D Decrement
Type
OP
Bit Devices Word devices Program Steps
X Y M K H KnX KnY KnM T C D DEC, DECP: 3 steps
D * * * * *
Operands:
D: Destination
Explanations:
1. If the instruction is not a pulse execution one, the content in the designated device D will
minus “1” in every scan period whenever the instruction is executed.
2. This instruction adopts pulse execution instructions (DECP).
3. In 16-bit operation, -32,768 minuses 1 and obtains 32,767.
Program Example:
When X0 goes from Off to On, the content in D0 minuses 1 automatically.
X0
DECP D0
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