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App. - 11
Appendix 4.5 On delay timer (momentary input)
An on delay timer of a programmable controller operates easily with a continuous
input. A relay M must be used with a momentary input.
Project name QA-19
Program name MAIN
T4
X1
M50
0
K62
M50
Y70
Y71
X2
T4
8
10
Timer starts after X1
turns on, and continues
to be activated.
T4
Turns off 6.2sec. later
Turns on 6.2sec. later
T4,M50
6.2sec.
X2
X1
Y70
Y71
Set time limit
(Note) The above ladder operates as an on delay ladder by momentarily turning on
inputs X1 and X2.