6-6
E=,E<>,E>,E<=,E<,E>=
6.1.3 Floating decimal point data comparisons (Single precision)
(E=,E<>,E>,E<=,E<,E>=)
E=,E<>,E>,E<= ,E<,E>=
*1:Available only in multiple Universal model QCPU and LCPU
(1) The 32-bit floating decimal point data from device designated by and 32-bit floating decimal
point data from device designated by as A normally-open contact, and performs comparison
operation.
(2) The results of the comparison operations for the individual instructions are as follows:
Note that use of the E= instruction can on occasion result in situations where
errors cause the two values to not be equal.
Basic model QCPU: The upper five digits of the serial No. are "04122" or larger.
, : Data for comparison or head number of the devices where the data for comparison is stored
(real number)
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn
Constants
E
Other
Bit Word Bit Word
–– ––
*1
––
–– ––
*1
––
Instruction
Symbol in
Condition
Comparison
Operation Result
Instruction
Symbol in
Condition
Comparison
Operation Result
E=
=
Continuity
E=
Non-continuity
E<>
E<>
=
E>
>
E>
E<=
E<=
>
E<
<
E<
E>=
E>=
<
Process
High
performance
Redundant
Universal
Ver.
Basic
LCPU
LD
AND
OR
S1
S2
S1
S2
S1
S2
EE EE E E
/////
Command
Command
Command
indicates an instruction symbol of .
S1 S2
S1
S2
S1
S2
S2
S1 S1
S2
S1
S2 S2
S1
S1
S2
S1
S2
S1
S2
S1
S2
S1
S2
S1
S2
S1
S2
S1
S2
EMOV E1.23
D0
E D0
M0D2
X0
D0 E4.56
D2
D2 E4.56
D2
E*
E/
Two values may not be equal.
Example
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