Mitsubishi MELSEC iQ-F FX5 series - Comparing Time Data

594
7 APPLICATION INSTRUCTION
7.19 Clock instruction
Comparing time data
LDTM, ANDTM, ORTM
These instructions compare the time data in the devices specified by (s1) and (s2). Or, these instructions compare the time
data in the device specified by (s1) with the current time.
Set the comparison target by (s3).
Setting data
■Descriptions, ranges, and data types
■Applicable devices
Processing details
• These instructions compare the time data in the devices specified by (s1) and (s2), or compare the time data in the device
specified by (s1) with the current time. Set the comparison target by (s3).
Ladder diagram Structured text
( indicates, TM=, TM<>, TM>, TM<=, TM<, TM>=.)
Not supported
Operand Description Range Data type Data type (label)
(s1) Head device number where the comparison data is stored  16-bit signed binary ANY16
(s2) Head device number where the comparison data is stored  16-bit signed binary ANY16
(s3) Comparison target setting value or the number of comparison
target data
0001H to 0007H,
8001H to 8007H
16-bit signed binary ANY16
Operand Bit Word Double word Indirect
specification
Constant Others
X, Y, M, L,
SM, F, B, SB
U\G T, ST,
C, LC
T, ST, C, D,
W, SD, SW, R
U\G Z LC LZ K, H E $
(s1)       
(s2)       
(s3)       
• Comparing two specified time data
These instructions compare the time data in the device specified by (s1) with the time data in the device specified by (s2) in accordance with the
conditions set by (s3). (Devices are used as a normally open contact.)
• Comparing specified time data with current time data
These instructions compare the time data in the device specified by (s1) with the current time data in accordance with the conditions set by (s3).
(Devices are used as a normally open contact.) The time data in the device specified by (s2) is regarded as dummy data and ignored.
LD
AND
OR
(s1) (s2) (s3)
(s1) (s2) (s3)
(s1) (s2) (s3)
(s1)
(s1)+1
(s1)+2
(s2)
(s2)+1
(s2)+2
Hour
Minute
Second
Hour
Minute
Second
(0 to 23)
Data range
(0 to 59)
(0 to 59)
(0 to 23)
Data range
(0 to 59)
(0 to 59)
Relational
operator
Comparison
operation
result
(s1)
(s1)+1
(s1)+2
Comparison
operation
result
Hour
Minute
Second
(0 to 23)
Data range
(0 to 59)
(0 to 59)
Current time
(Hour/minute/second)
Relational
operator