Burkert 1078-1 Manuel Utilisateur page 8

Switches 4
Operation mode of the solenoid valve
and 5
ON
Delayed activation of the valve: Only set the
time delay t
4 5
off
Fig. 8: Operation modes of the 1078-1
→
Set the time range for t
on
or t with switches 6, 7 and 8. See Fig. 7 and Fig. 9.
off
t
Switches 1, 2, 3 ( ) and 6, 7, 8 (
on
ON
1 2 3
6 7 8
ON
1 2 3
6 7 8
ON
1 2 3
6 7 8
ON
1 2 3
6 7 8
ON
1 2 3
6 7 8
English
28
Position 3 of the poten-
tiometer = full scale of
the selected time range
min. value of the
time range +
80 % of the time
range
min. value of the time range +
50 % of the time range
Fig. 10: Using the potentiometers of the 1078-1
English
30
T
T
off
with switches 1, 2 and 3 and/
t )
Time range
off
0,5-10 seconds
1,5-30 seconds
5-100 seconds
0,5-10 minutes
1,5-30 minutes
Cursor
Position 1 of the potenti-
ometer = minimum value
of the selected time range
(default position)
min. value of the time
range + 10 % of the
time range
min. value of the time range +
40 % of the time range
Switches 1, 2, 3 (
ON
on
1 2 3
6 7 8
ON
1 2 3
6 7 8
ON
1 2 3
6 7 8
Fig. 9: Time ranges for t
→
Set the ON time t
OFF time t
driver of correct size. See Fig. 7 and Fig. 10.
For example:
The time range for t
time range for t
→
If t = 50 seconds = min. value of the range (5 s)
on
+ 45 s (45/95*100 = 47 % of the range), set the
cursor of the t
t
on
→
If t = 20 seconds = min. value of the range (1,5
off
min.) + 18,5 min. (18,5/28,5*100 = 65 % of the
range), set the cursor of the t
follows:
Fig. 11: Setting example of potentiometers t
the 1078-1
t t )
) and 6, 7, 8 (
on off
and t
on off
with potentiometer t
on
with potentiometer t
off off
is set to 5-100 seconds and the
on
is set to 1,5-30 minutes.
off
potentiometer as follows:
on
= min. value of the range + 47 % of the time range
potentiometer as
off
t = min. value of the range + 65 % of
ooff
the time range
Time range
5-100 minutes
12-240 minutes
0,5-10 hours
and/or the
on
, with a flat screw-
English
29 29
and t of
on off
English
31 31