Mitsubishi Electronics Mitsubishi Digital Electronics Video Gaming Accessories FX3G ユーザーズマニュアル
566
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
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 real time clock built in a PLC
Read the values of special data registers using the TRD (FNC166) instruction, and then specify those word
devices as the operands.
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
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)
→
4:30:35
10:20:5
18:10:30
←
18+10=28(≥24)