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KEYENCE Visual KV Series User Manual

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8.2 Details

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8

Chapter 8 Programming Examples

2002

0005

#9999

C000

STA

C000

LDA

DM0000

0001

Changing the counter setting value
Sets the setting value of counter C000 to DM0000. Reset input is 0005.

Ladder diagram

Coding

Changing the timer setting value
Sets the setting value of timer T000 to DM0000. Reset input is 0005.

Ladder diagram

Coding

➮ Refer to p. 3-140.

Application of CMP (compare) instruction

When comparing values with no specific range
Turns ON 0500 when the DM0000 value is smaller than the CMP value.
Turns ON 0501 when the DM0000 value is equal to the CMP value.
Turns ON 0502 when the DM0000 value is greater than the CMP value.

Ladder diagram

Coding

Setting the upper/lower limit
Turns ON 0500 when the C001 value is 1000 or less.
Turns ON 0501 when the C001 value is 2000 or more.

Ladder diagram

Line No. Instruction

Operand

0000

LD

2002

0001

LDA

DM0000

0002

CON

0003

STA

C000

0004

LDB

0005

0005

C

000 #9999 0001

2002

0005

#9999

T000

STA

T000

LDA

DM0000

Line No. Instruction

Operand

0000

LD

2002

0001

LDA

DM0000

0002

CON

0003

STA

T000

0004

LDB

0005

0005

T

0000 #9999

2002

0502

2011

CMP

#01000

LDA

DM000

0500

2009

DM0000
<#01000

DM0000
=#01000

DM0000
>#01000

0501

2010

Line No. Instruction

Operand

0000

LD

2002

0001

LDA

DM0000

0002

CON

0003

CMP

#01000

0004

MPS

0005

AND

2009

0006

OUT

0500

0007

MRD

0008

AND

2010

0009

OUT

0501

0010

MPP

0011

AND

2011

0012

OUT

0502

2002

0001

#09999

C001

CMP

#02000

LDA

C001

0501

2009

C001

#1000

C001

#02000

2002

CMP

#01000

LDA

C001

0500

2011

0000

KVNKA Chap 08.p65

08.3.11, 0:12 PM

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