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App. - 6
Appendix 4 Application Program Example
Appendix 4.1 Flip-flop ladder
(1) Y70 turns on when X0 is turned on, and turns off when X1 is turned on.
X0
X1
Y70RST
0
2
Y70SET
(2) When X2 is turned on, Y71 turns off if Y70 is on, and turns on if Y70 is off. This
flip-flop operation is repeated.
Project name QA-16
Program name MAIN
T0
X2
T0
0
6
T1
T0
K5
T1
K5
Y70
Y71
12
X02
Contact
T0
Contact
T1
Y70
Y71