Mitsubishi Electric MELSEC-Q/L - Clock Data Subtraction Operation

7 APPLICATION INSTRUCTIONS
7.15 Clock Instructions
689
7
Clock data subtraction operation
DATE-(P)
Processing details
• Subtracts the time data designated by (S2) from the clock data designated by (S1), and stores the result into the area
starting from the device designated by (D).
For example, if the clock time 3:50:10 were subtracted from the clock time 10:40:20, the operation would be performed as
follows:
• If the subtraction results in a negative number, 24 will be added to the result to make a final operation result. For example,
if the clock time 10:42:12 were subtracted from 4:50:32, the result would not be -6:8:20, but rather would be 18:8:20.
See Page 685 Writing clock data for further information regarding the data that can be set for hours, minutes,
and seconds.
(S1): Head number of the devices where the clock time data to be adjusted by subtraction is stored (BIN 16 bits)
(S2): Head number of the devices where time data to be subtracted for adjustment is stored (BIN 16 bits)
(D): Head number of the devices where the result of subtraction of clock (time) data will be stored (BIN 16 bits)
Setting
data
Internal device R, ZR J\ U\G Zn Constant Others
Bit Word Bit Word
(S1)  
(S2)  
(D)  
Basic
Process
High
performance
Redundant Universal LCPU
Command
DATE-
DATE-P
DATE-
Command
DATE-P
S1 S2
D
S1 S2
D
Data rangeData range Data range
Hour
Minute
Second
+1
+2
(0 to 23)
(0 to 59)
(0 to 59)
Hour
Minute
Second
+1
+2
(0 to 23)
(0 to 59)
(0 to 59)
Hour
Minute
Second
+1
+2
(0 to 23)
(0 to 59)
(0 to 59)
S1
S2
D
D
D
S2
S2
S1
S1
Hour: 3
Minute: 50
Second: 10
+1
+2
Hour: 6
Minute: 50
Second: 10
+1
+2
Hour: 10
Minute: 40
Second: 20
+1
+2
S1
S1
S1
D
D
D
S2
S2
S2
Hour: 10
Minute: 42
Second: 12
+1
+2
Hour: 18
Minute: 8
Second: 20
+1
+2
Hour: 4
Minute: 50
Second: 32
+1
+2
S1
S2
D
S1
S1
S2
S2
D
D