Comparing Date Data - Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual

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).
Ladder diagram
LDDT
ANDDT
ORDT
("=", "<>", ">", "<=", "<", ">=" enters .)
FBD/LD
LDDT
EN ENO
s1
s2
s3
("_EQ", "_NE", "_GT", "_LE", "_LT", "_GE" enters .)
*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
Operand Description
(s1) Head device number where the comparison data is stored
(s2) Head device number where the comparison data is stored
(s3) Comparison target setting value or the number of comparison
target data
EN Execution condition
ENO Execution result
■Applicable devices
Operand Bit
X, Y, M, L, SM,
F, B, SB, S

(s1)

(s2)

(s3)
8 APPLICATION INSTRUCTION
702
8.24 Clock Instruction
(s1) (s2) (s3)
(s1) (s2) (s3)
(s1) (s2) (s3)
ANDDT
EN ENO
s1
s2
s3
*2
Word
T, ST, C, D, W, U\G
SD, SW, R
 
 
 
*1
Structured text
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 .)
ORDT
EN ENO
s1
s2
s3
Range Data type

16-bit signed binary

16-bit signed binary
0001H to 0007H, 16-bit signed binary
8001H to 8007H

Bit
 Bit
Double word Indirect
specification
Z LC LZ
   
   
   
*2
Data type (label)
ANY_DT
ANY_DT
ANY16
BOOL
BOOL
Constant Others
K, H E $
   
   
   