Delta-electronics Extension Digital I/O Module DOP-EXIO14RAE Instrukcja Użytkownika Pobierz pdf (Strona 70)

Appendix C Use of Basic Instructions|DOP-EXIO Series

Revision March, 2008, Doc. Name: 2007PDD23000014 C-5

Explanation:

To retrieve the previous preserved logical operation result and store it into the accumulative register

(the pointer of operational result will minus 1).

Program Example:

Ladder diagram: Instruction code: Operation:

LD X0 Loading in contact A of X0

MPS

Saving into stack

AND X1 Connecting to contact A of X1 in series

OUT Y1 Driving Y1 coil

MRD

Reading from stack

AND X2 Connecting to contact A of X2 in series

OUT M0 Driving M0 coil

MPP

Reading from stack and pop pointer

OUT Y2 Driving Y2 coil

END

MPP

MRD

MPS

END Program ends

Mnemonic Functions

OUT

Output Coil

X0~X17 Y0~Y17 M0~M1279 S0~S127 T0~T127 C0~C254 D0~D599

Operand

9 9 9

- - -

Explanations:

1. To output the logical operation result before OUT instruction into a designated device.

2. Actions of coil contact:

OUT instruction

Contact

Operational result

Coil

A contact (normally open) B contact (normally closed)

FALSE Off Off On

TRUE On On Off

Program Example:

Ladder diagram: Instruction code: Operation:

LDI X0 Loading in contact B of X0

AND X1 Connecting to contact A of X1 in series

X0 X1

OUT Y1 Driving Y1 coil

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 156 157

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