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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 Re
g
ister Constant Index
X Y R S T. C. XW YW RW SW T C D I J K
A
Subtrahend
ÖÖÖÖÖÖÖ
B
Result
ÖÖÖÖÖÖ
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).
F0 F0
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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