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T1/T1S User’s Manual
7. Instructions
FUN 155
CLDS
Calendar operation
Expression
Input
-
[
A
CLDS
B
]
-
Output
Function
When the input is ON, this instruction subtracts the date and time stored in 6 registers starting with
A
from the current date and time, and stores the result in 6 registers starting with
B.
If an invalid data is contained in the registers, the operation is not executed and the output is turned
ON.
Execution condition
Input
Operation
Output
OFF
No operation
OFF
ON
Execution (data is valid))
OFF
No execution (data is not valid)
ON
Operand
Name
Device
Register
Constant Index
X
Y
R
S
T.
C. XW YW RW SW
T
C
D
I
J
K
A
Subtrahend
Ö
Ö
Ö
Ö
Ö
Ö
Ö
B
Result
Ö
Ö
Ö
Ö
Ö
Ö
Example
When R020 is ON, the date and time data recorded in D0050 to D0055 are subtracted from the
current date and time of clock/calendar, and the result is stored in D0100 to D0105.
In normal operation, the output is OFF (R0035 is OFF). If D0050 to D0055 contains invalid data,
the operation is not executed and the output is turned ON (R0035 comes ON).
F
0
F
0
H0098
D0050
H0097
D0100
H0000
(Year)
H0001
D0051
H0010
D0101
H0003
(Month)
H0015
minus
D0052
H0010
D0102
H0007
(Day)
H0017
D0053
H0015
D0103
H0001
(Hour)
H0000
D0054
H0030
D0104
H0030
(Minute)
H0000
D0055
H0000
D0105
H0000
(Second)
Note
·
Future date and time cannot be used as subtrahend
A.
·
In the calculation result, it means that 1 year is 365 days and 1 month is 30 days.
T1S only
Current date & time
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