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Project name QTEST1
Program name MAIN
4.8 Exercise
4.8.1 Exercise 1
LD to NOP
When X0 turns on, Y70 is self-maintained, and Y74 and Y77 flicker alternately every
0.5sec.
When X1 turns on, Y70 turns off and flickering of Y74 and Y77 also stops.
[Timing chart]
X0
Y70
TO
Y74
T1
Y77
X1
0.5sec. 0.5sec. 0.5sec. 0.5sec.
Create the following program with GX Works2 filling in the blanks . Then,
check the operation using the demonstration machine.
Y70
1)
T0
X0
Y70
T1
4)
Y74
Y77
5)
0
4
10
16
3)
Y70
2)
K5
K5