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

Page 68

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Appendix C Use of Basic Instructions|DOP-EXIO Series

Revision March, 2008, Doc. Name: 2007PDD23000014

C-3

Program Example:
Ladder diagram:

Instruction code:

Operation:

LD

X0

Loading in contact A of X0

OR

X1

Connecting to contact A of X1 in parallel

X0

X1

Y1

OUT

Y1

Driving Y1 coil

Mnemonic Functions

ORI

Parallel Connection- B Contact

X0~X17 Y0~Y17

M0~M1279

S0~S127

T0~T127 C0~C254

D0~D599

Operand

9

9

9

9

9

9

-

Explanation:
The ORI instruction is used in the parallel connection of B contact. The functions are to read out the
status of present designated parallel connection contacts and perform the “ORI” operation with the
logical operation result obtained. The final result will be store in the accumulative register.

Program Example:
Ladder diagram:

Instruction code:

Operation:

LD

X0

Loading in contact A of X0

ORI

X1

Connecting to contact B of X1 in parallel

X0

X1

Y1

OUT

Y1

Driving Y1 coil

Mnemonic Functions

ANB

Series connection- loop blocks

Operand none

Explanation:
To perform the “AND” operation of the preserved logic results and content in the accumulative register.

Program Example:
Ladder diagram:

Instruction code:

Operation:

LD

X0

Loading in contact A of X0

ORI

X2

Connecting to contact B of X2 in parallel

LDI

X1

Loading in contact B of X1

OR

X3

Connecting to contact A of X3 in parallel

ANB

Connecting circuit block in series

X0

X2

Y1

X1

X3

ANB

Block A Block B

OUT Y1

Driving

Y1

coil