43
6 - Special functions
6.2.2 TIMER STARTING
Depending on the Timer action
#t.act
selection, there can be two
different starting ways:
- Automatic at the power on
- Manual by keypad, serial com-
munications or digital input.
To start/stop the Timer:
When the timer is running it is
always possible to see the remain-
ing time and to modify it.
6.2.3 POWER FAILURE
If there is a power failure during
the Timer execution, the value of
the elapsed time is lost.
Depending on Timer action
#t.act
selection, when the con-
troller restarts you can have two
different situations:
• with automatic mode
(
#t.act
=
2
,
3
,
6
,
7
), the Timer
function starts again and the
counting time is reinitialised.
• with manual mode
(
#t.act
=
0
,
1
,
4
,
5
), the con-
trol output is forced to
# 0
if
#tMod
=
3
e
5
; otherwise
the control action restarts using
the working Setpoint
350
350
t.run
stop
t.run
strt
850
850
RUN
tM.r.
60
RUN
tM.r.
234
RUN
tM.r.
234
RUN
Operator mode
Press until
To start
select
strt
To stop
select
stop
Operator mode
and Timer running
Press until
Remaining time.
Counting stop.
Remaining time value
Value change
If set to
#
0
the timer ends
Press the key
è
to confirm
M4UK.ed6 20-05-2005 11:43 Pagina 43
