(Ed=,Ed<>,Ed>,Ed<=,Ed<,Ed>=) - Mitsubishi MELSEC Q Series Programming Manual

ED=,ED<>,ED>,ED<=,ED<,ED>=
6.1.4
Floating decimal point data comparisons (Double precision)
(ED=,ED<>,ED>,ED<=,ED<,ED>=)
ED=,ED<>,ED>,ED<=,ED<,ED>=
LD
AND
OR
Setting
Data
S1
S2
Function
(1) The 64-bit floating decimal point real number from device designated by
decimal point real number from device designated by
performs comparison operation.
(2) The results of the comparison operations for the individual instructions are as follows:
Instruction
Symbol in
ED=
ED<>
ED>
ED<=
ED<
ED>=
6-8
indicates an instruction symbol of ED
Command
Command Command
, : Data for comparison or head number of the devices where the data for comparison is stored
S1 S2
(real number)
Internal Devices
R, ZR
Bit Word
––
––
Comparison
Condition
Operation Result
=
S2 S1
S1 S2
>
S1 S2
Continuity
S1 S2
<
S1 S2
S1 S2
High
Basic
performance
S1 S2
S1 S2
S1 S2
J \
U \G
Bit Word
––
––
as A normally-open contact, and
S2
Instruction
Condition
Symbol in
ED=
S1
ED<>
S2
ED>
S1
ED<=
S1
ED<
S1
ED>=
S1
Process
Redundant Universal LCPU
/ED /ED /E /E /E
Constants
Zn Other
E
–– ––
–– ––
and 64-bit floating
S1
Comparison
Operation Result
S2
=
S1
S2
Non-continuity
>
S2
S2
<
S2