Ladder logic program repeat6/7/2023 ![]() ![]() Thus, when the input X000 goes false, the output Y400 remains on, it is latched by its own contacts. This true state is fed back into the input to the normally closed contacts of the timer. In this example, when the input X000 is true, there is logic continuity through the normally closed timer contacts T300 to the output Y400.
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