Digital Counter / Timer / Tach User Manual, 1st Ed.
1-800-633-0405
3-26
Signal Twin OFF-Start (StoFF)
With power applied to the CTT, the leading edge
of an input signal at START will begin the timing
period timing up or down based on parameter (
t
modE
). When the timing period reaches time setting
SV1 the outputs will turn ON and the time period
will reset and restart automatically. When the time
period now reaches time setting SV2 the outputs will
turn OFF again and the time period will reset and
repeat automatically.
The trailing edge of the “start” signal has no effect on
the outputs or timing period.
The leading edge of a “reset” input signal at RST1
will turn OFF the outputs and reset the timing
period. The “reset” signal minimum pulse width is set
by reset pulse width parameter (
rtSr
). The leading
edge of a new “start” signal is necessary to restart the
cycle.
The leading edge of a “pause” input signal at GATE
will pause the timing period after it has been started.
The timing period will continue after the trailing
edge of the external switch “pause” (Gate) signal.
When power is removed, both outputs will turn OFF
and the timing period will be reset.
CTT Timer
Signal Twin OFF Start
Power signal
Start signal
Pause signal
Reset
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