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Appendix b instruction list, B-1 basic instructions – KEYENCE KV Series User Manual

Page 187

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Appendices

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Appendices

Appendix B

Instruction List

This appendix includes a list of instructions and an outline of their processes. For
details, refer to Chapter 2, "Instructions" on page 3-33.

B-1

Basic instructions

Instruction name

Mnemonic

Outline of process

Load

LD

Connects N.O. contact to bus.

Load Bar

LDB

Connects N.C. contact to bus.

Out

OUT

Outputs ON/OFF status of input to relay coil.

Out Bar

OUB

Outputs inverted ON/OFF status of input to relay coil.

And

AND

Connects N.O. contact in series.

And Bar

ANB

Connects N.C. contact in series.

Or

OR

Connects N.O. contact in parallel.

Or Bar

ORB

Connects N.C. contact in parallel.

And Load

ANL

Connects in series the blocks made of one or more
contacts.

Or Load

ORL

Connects in parallel the blocks made of one or more
contacts.

Set

SET

Turns ON specified relay forcibly, and enables it to
remain ON.

Reset

RES

Turns OFF specified relay forcibly.

Timer

TMR

Sets an on-delay timer that counts down in 0.1 s
increments.

High-Speed Timer

TMH

Sets an on-delay timer that counts down in 0.01 s
increments.

High-Speed 1-ms

TMS

Sets an on-delay timer that counts down in 0.001 s

Timer

increments.

Counter

C

Sets an up counter.

Up-Down Counter

UDC

Sets an up-down counter.

Differentiate Up

DIFU

Detects rising edge of input signal and turns ON
specified relay for first scan time only.

Differentiate Down

DIFD

Detects falling edge of input signal and turns ON
specified relay for first scan time only.

Keep

KEEP

Turns ON specified relay when SET input relay turns
ON, and enables this relay to remain ON. Turns OFF
specified relay when RESET input relay turns ON.

Shift

SFT

Sets a shift register.

High Speed

HSP

Shortens time constant of specified input relay to be
ready for high speed.

Master Control

MC

Selects ON/OFF status of relays, timers or counters
set before MCR instruction.

Master Control

MCR

Ends the execution of MC instruction.

Reset

Memory Switch

MEMSW

Sets memory switches.

No Operation

NOP

Performs no operation.

End

END

Indicates end of each routine in the program.

End Hi

ENDH

Indicates end of entire program.

KVSKA Appendix.P65

08.3.11, 11:26 AM

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