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Delta Electronics Extension Digital I/O Module DOP-EXIO14RAE User Manual

Page 118

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Appendix D Use of Application Instructions|DOP-EXIO Series

Revision March, 2008, Doc. Name: 2007PDD23000014

D-37

Mnemonic

Operands Function

INC

D

D

Increment

Bit Devices

Word Devices

X Y M S K H

KnX

KnY

KnM KnS

T

C

D

E

F

D

y

Note:

1. If D is used in device F, only 16-bit instruction is applicable.

16-bit instruction (3 Steps)

INC

Continuous
execution

32-bit instruction (5 Steps)

DINC

Continuous
execution

y

Flags: None

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. In 16-bit operation, 32,767 pluses 1 and obtains -32,768. In 32-bit operation, 2,147,483,647

pluses 1 and obtains -2,147,483,648.

3. The operation results will not affect any flags.

Program Example:
When X0 = Off→On, the content in D0 pluses 1 automatically.

X0

INCP

D0