702
8 APPLICATION INSTRUCTION
8.24 Clock Instruction
Comparing date data
LDDT
, ANDDT
, ORDT
These instructions compare the date data in the devices specified by (s1) and (s2). Or, these instructions compare the date
data in the device specified by (s1) with the current date.
Set the comparison target by (s3).
*1 Supported by engineering tool version "1.035M" and later.
*2 EQ is =, NE is <>, GT is >, LE is <=, LT is <, and GT is >=.
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
Ladder diagram
Structured text
("=", "<>", ">", "<=", "<", ">=" enters
.)
ENO:=LDDT_
(EN,s1,s2,s3);
ENO:=ANDDT_
(EN,s1,s2,s3);
ENO:=ORDT_
(EN,s1,s2,s3);
("EQ", "NE", "GT", "LE", "LT", "GE" enters
FBD/LD
("_EQ", "_NE", "_GT", "_LE", "_LT", "_GE" enters
.)
Operand
Description
Range
Data type
Data type (label)
(s1)
Head device number where the comparison data is stored
16-bit signed binary
ANY_DT
(s2)
Head device number where the comparison data is stored
16-bit signed binary
ANY_DT
(s3)
Comparison target setting value or the number of comparison
target data
0001H to 0007H,
8001H to 8007H
16-bit signed binary
ANY16
EN
Execution condition
Bit
BOOL
ENO
Execution result
Bit
BOOL
Operand
Bit
Word
Double word Indirect
specification
Constant
Others
X, Y, M, L, SM,
F, B, SB, S
T, ST, C, D, W,
SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(s1)
(s2)
(s3)
LDDT
ANDDT
ORDT
(s1)
(s2)
(s3)
(s1)
(s2)
(s3)
(s1)
(s2)
(s3)
EN
ENO
s1
s2
s3
LDDT
EN
ENO
s1
s2
s3
ANDDT
EN
ENO
s1
s2
s3
ORDT
Summary of Contents for MELSEC iQ-F FX5
Page 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 17: ...15 CONTENTS ...
Page 24: ...22 MEMO ...
Page 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Page 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
Page 1107: ...I 1105 MEMO ...
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