Mitsubishi MELSEC-Q/L User Manual

177
ED=, ED<>, ED>, ED<=, ED<, ED>=
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6.1 Comparison Operation Instructions 6.1.4 ED=, ED<>, ED>, ED<=, ED<, ED>=
, : Data for comparison or head number of the devices where the data for comparison is stored (real number)
Function
(1) The 64-bit floating decimal point real number from device designated by and 64-bit floating decimal point real number 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:
Operation Error
(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into
SD0.
6.1.4 ED=, ED<>, ED>, ED<=, Floating-point data comparis ons (Double prec ision)
ED<, ED>=
6.1.4 ED=, ED<>, ED>, ED<=, ED<, ED>=
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn
Constants
E
Other
Bit Word Bit Word
–– –– –– ––
–– –– –– ––
Instruction
Symbol in
Condition
Comparison
Operation Result
Instruction
Symbol in
Condition
Comparison
Operation Result
ED=
=
Continuity
ED=
Non-continuity
ED<> ED<>
=
ED>
>
ED>
ED<= ED<=
>
ED<
<
ED<
ED>= ED>=
<
Error
code
Error details
Q00J/
Q00/
Q01
QnH QnPH QnPRH QnU LCPU
4140
The specified device value is not within the following range:
0, 2
-1022
| Specified device value | < 2
1024
The specified device value is -0.
–– –– –– ––
Universal LCPU
Basic
High
performance
Process Redundant
LD
AND
OR
S1
S1 S2
S1 S2
S2
Command
Command Command
/ED /ED /E /E /Eindicates an instruction symbol of ED
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

Mitsubishi MELSEC-Q/L Specifications

General

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