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26 - ATR142 -
User manual
9.4 Dual timer loop
This option enables 2 Timers and the time value is selectable
by the operator. At elapsing of one Timer, the other one will
automatically start and this sequence is repeated cycling.
To achieve operation of dual timer loop set the parameter 63
tmr.f.
as follows:
•
d . t.L.s.
(Double Timer Loop Seconds) time-basis in seconds
(mm.ss)
•
d . t.L.M.
(Double Timer Loop Minutes) time-basis in minutes
(hh.mm)
To start/stop the Timer, press
FNC
for 1s.
During the counting, Led
R
is On (fixed for Timer1, flashing
for Timer 2) and display 2 shows decrementing time. Start is
always made on Timer 1.
Start/Stop of Timer is possibile also by digital input, selecting
t.1.s.s.
on parameter 50
dGt.i
.
9.5 Relating timers to alarms
It is possible to associate the alarms (relay or SSR outputs) to
the timers by parameters 23
aL. 1
and 31
aL. 2.
The table below
is showing the combined operation of alarms and Timers.
Selection
par. 23 or 31
Description
t.1.s.a.
Timer 1 Start Alarm
Alarm active as long as Timer 1 is in
Start mode (Timer active)
t.1.E.a.
Timer 1 End Alarm
Alarm active at elapsing of Timer1
until any key is pressed. Option not
available for Dual sequential Timer and
Dual Timer Loop.
t.1.W.a.
Timer 1 Warning
Expiring
Alarm active for the last 5” of Timer1
t.2.s.a.
Timer 2 Start Alarm
Alarm active as long as Timer 2 is in
Start mode (Timer active)