Delta Digital timer Manual de usuario Pagina 22

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FUNCTIONAL DIAGRAMS FOR 27B1C3B1 & 27C1C3B1
20
TM
Electronic Timer - Series Staircase
On initial signal, the output closes & timing starts for the preset duration. Subsequent signals
during the run time will extend the time duration by the full preset value
1. STAIRCASE RELAY
T
T
T
<5s
<5s<5s
<5s
2. STAIRCASE RELAY WITH PRE-WARNING
T
10
T
T
10
10
10
<5s
<5s
<5s
On initial signal, the output closes & timing starts for the preset duration. Subsequent signals
during the run time will extend the time duration by the full preset value. If a signal of
duration more than 2 seconds is applied, the output contacts open instantly.
3. STAIRCASE RELAY WITH CUT-OFF
4. STAIRCASE RELAY WITH CUT-OFF & PRE-WARNING
T
T
T
T
T
<5s
<2s
<2s
<5s
<5s
=
2s
T
10
T
T
10
10
10
=2s
T
<5s <5s <2s
<5s
1010
On initial signal, the output closes & timing starts for the preset duration. During run time, if a
signal of duration less than 2 seconds is applied, it is ignored. If the duration is more than 2
seconds, the output contacts open instantly
5. TIMING STEP WITH RELEASE DELAY & CUT-OFF
T
T
T
=2s
<5s
<5s <2s
<2s
<5s
6. TIMING STEP WITH RELEASE DELAY & CUT-OFF
PRE-WARNING
&
T
10
T
10
10
10
=2s
T
<5s <5s <2s
<5s
10
10
On initial signal, the output closes & timing starts for the preset duration.
the time duration the output contacts open. Any signal during the run time is ignored.
On completion of
7. LONG RUN
TT
<5s
=5s
=5s
=5s
8. LONG RUN WITH PRE-WARNING
T
10
T
10
10
10
<5s
=5s
=5s
=5s
After every signal, the output changes state, alternately switching from open to closed &
vice versa.
9. STEP RELAY
<5s
<5s
<5s
<5s
In this mode the output contacts are permanently closed until the mode is changed and the
device is reset.
10. PERMANENT ON
If the relay is OFF and a signal of duration more than 5 seconds is applied, the maintenance
mode is activated. In this mode the output contacts close for a duration of 60 minutes after
which it opens. During this period if a signal of duration more than 5 seconds is applied, the
maintenance mode is interrupted and the output contacts open. The mode can be activated
from any one of the modes (Mode 1, 2, 3, 4, 5, 6, 9) provided that the output contacts are
open.
11. MAINTENANCE MODE
=5s =5s=5s
1 hr
1 hr < 1hr
< 1hr
10
10
10
10
Without Warning:
With Warning:
Pre-Warning:
On completion of the set time duration the output blinks once & again blinks twice after a delay of 10 seconds and the contacts open after a further delay of 10 seconds.
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