32.7.3.3 Timing Chart for the TOFA Instruction
When IN (input) turns ON, Q (output) turns
ON.
When IN (input) is OFF, TI (timer
measurement) turns ON. When TI turns ON, the timer measurement
starts.
When IN (input) turns ON, the timer
measurement pauses.
When IN (input) turns OFF, the paused timer
measurement continues.
When the preset time (PT) value has increased
to the point that PT equals ET, TI (timer measurement) and Q
(output) turn OFF.
Even if IN (input) turns either ON or OFF, Q
(output) and TI (timer measurement) will not turn ON.
Turning ON R resets the accumulative timer.
The timer is reset when an upward transition is detected.
When IN (input) turns ON, Q (output) turns
ON.
When R (reset) turns on, Q (output) and TI
(timer measurement) are reset. The timer current value ET is also
reset and cleared to 0.
When IN (input) turns ON, Q (output) turns
ON.
When IN (input) is OFF, TI (timer
measurement) turns ON. When TI turns ON, the timer measurement
starts.
When the preset time (PT) value has increased
to the point that PT equals ET, TI (timer measurement) and Q
(output) turn OFF.
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