Filter
Top Products
568
FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
21 Real Time Clock Control – FNC160 to FNC169
21.3 FNC162 – TADD / RTC Data Addition
Cautions
1. Number of occupied devices
Three devices are occupied by , and respectively.
Make sure that these devices are not used in other controls for the machine.
2. When utilizing the time (hour, minute, and second) of the built-in PLC real time clock
Read the values of special data registers using the TRD (FNC166) instruction, and then specify those word devices as
the operands.
Program example
When the operation result exceeds 24 hours
S
1
S
2
D
X000
FNC162
TADD
D 10 D 20 D 30
S
1
S
2
D
(D10, D11, D12)+(D20, D21, D22)
→ (D30, D31, D32)
+
S
1
+1 30 (minute)
10 (hour)
+2 10 (second)
S
1
S
1
S
2
+1 10 (minute)
3 (hour)
+2 5 (second)
S
2
S
2
D
+1 40 (minute)
13 (hour)
+2 15 (second)
D
D
→
10:30:10 3:10:5 13:40:15
+
S
1
10 (minute)
18 (hour)
30 (second)
S
2
20 (minute)
10 (hour)
5 (second)
D
30 (minute)
4 (hour)
35 (second)
→
4:30:3510:20:518:10:30
←
18+10=28(
≥
24)