Mitsubishi MELSEC-F FX-TRN-BEG-E, Руководство пользователя

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FX-TRN-BEG-E C: Easy Does It! 3
B-31
3.3.3 Points of training and control specifications
1) Flicker circuit
Two timers drive the output ON and OFF at set intervals.
• When X024 is set ON, the OUT instruction
of T3 turns ON as indicated in line A.
• Two seconds later (the set value of K20 in
T3), T3 indicated by B turns ON. Y001 and
T4 turn ON as indicated in line C.
• Four seconds later (set value of K40 in
T4), the contact D turns OFF and thus T3
turns OFF as indicated in line A.
• While X024 is ON, Y001 repeats an OFF
for 2 seconds and ON for 4 seconds cycle.
2) Flickering the signal lamps
In the program above, Y001 flickers OFF for 2 seconds and ON for 4 seconds while the
switch X024 is ON.
T3
T4
C
Y001
B
C
X024
T3
A
T4 D K20
K40
X024
OFF
ON
OFF
ON
Y001
T3 T4 T3 T3 T4
2 sec 4 sec 2 sec 2 sec 4 sec
When X024 is set OFF, the
output turns OFF.