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6-11

$=,$<>,$>,$<=,$<,$>=

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6

.1 Compar

ison Operation Instru

ctions

6

.1.5 Char

acter

 string data comparisons ($=,$<>,$>,$<=

,$

<

,$

>

=)

Character string data comparisons ($=,$<>,$>,$<=,$<,$>=)

$=,$<>,$>,$<=,$<,$>=

Function

(1) Compares the character string data designated by 

 with the character string data 

designated by 

 as a normally-open contact.

(2) A comparison operation involves the character-by-character comparison of the ASCII code 

of the first character in the character string.

(3) The character string data of 

 and 

 for comparison refers to the data stored at the range 

from the designated device number to the device number where "00

H

" code is stored.

(a) If all character strings match, the comparison result will be matched.

, 

: Data for comparison or head number of the devices where the data for comparison is stored 

(character string)

Setting 

Data

Internal Devices 

R, ZR

J

\

U

\G

Zn

Constants

$

Other

Bit

Word

Bit

Word

––

––

––

––

––

––

Instruction Symbol in 

Comparison Operation 

Result

Instruction Symbol in 

Comparison Operation 

Result

$=

Continuity

$<=

Continuity

$<>

Non-continuity

$<

Non-continuity

$>

Non-continuity

$>=

Continuity

Basic

LD

AND

OR

S1

S1

S2

S1

S2

S2

$

$

$

$

$

$

/

/

/

/

/

Command

Command

Command

indicates an instruction symbol of                                                           .

S1

S2

S1

S2

S1

S2

S1

S2

42

H

(B)

b15

b8

41

H

(A)

b7

b0

+1

43

H

(C)

+2

44

H

(D)

45

H

(E)

00

H

"ABCDE"

S1

42

H

(B)

b15

b8

41

H

(A)

b7

b0

43

H

(C)

44

H

(D)

45

H

(E)

00

H

"ABCDE"

S1

S1

+1

+2

S2

S2

S2