Mitsubishi MELSEC-Q/L User Manual

179
$=, $<>, $>, $<=, $<, $>=
1
2
3
4
6
7
8
6.1 Comparison Operation Instructions 6.1.5 $=, $<>, $>, $<=, $<, $>=
When judging the mismatch of E1.234567890123456+10 (Number of significant digits is 16) and the
double-precision floating-point data.
, : Data for comparison or head number of the devices where the data for comparison is stored (character string)
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.
6.1.5 $=, $<>, $>, $<=, $<, Character s tring data co mparisons
$>=
6.1.5 $=, $<>, $>, $<=, $<, $>=
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
Example
E1.234567890123456+10
Whether D0 to D3 is within this range is checked.(Values on boundaries are included.)
E1.23456789012345+10
E1.23456789012346+10
Process
High
performance
Redundant Universal LCPU
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

Mitsubishi MELSEC-Q/L Specifications

General

Brand	Mitsubishi
Model	MELSEC-Q/L
Category	Controller
Language	English