Burkert Type 1078-2 - Manual (Page 7)

24
9.2. Adjustment of the 1078-1
DANGER
Risk of electric shock.
• To adjust the potentiometers, use an insulated
screwdriver.
The set operation mode starts when the device is
energized.
• Set the operation mode before energizing the
device combined with a solenoid valve.
To adjust the 1078-1:

Adjusting the valve operation mode.
Switches 4 and 5: To choose the
operating mode of the solenoid
valve
Switches 1, 2 and 3: To adjust the
range t
on
.
Switches 6, 7 and 8: To adjust the
range t
off
.
Potentiometer t
off
Potentiometer t
on
1
ON
2 34 5 6 7 8
1 3 1 3
Fig. 7: Adjustment elements of the 1078-1
English
25
The timer 1078-1 allows for controlling the ON (called t
on
) /
OFF (called t
off
) cycle of a solenoid valve.
Four operation modes can be set with switches 4 and 5.
See Fig. 7 and Fig. 8.
Switches 4
and 5
Operation mode of the solenoid valve
4
ON
5
ON (t
on
)/OFF (t
off
) cycle of the valve: Set the
time t
on
and the time t
off
T
on
T
off
4
ON
5
OFF (t
off
)/ON (t
on
) cycle of the valve: Set the
time t
on
and the time t
off
T
on
T
off
4
ON
5
Timed-out activation of the valve: Only set
the time t
on
T
on T
off
4
ON
5
Delayed activation of the valve: Only set the
time delay t
off
T
on
T
off
Fig. 8: Operation modes of the 1078-1

Set the time range for t
on
with switches 1, 2 and 3 and/
or t
off
with switches 6, 7 and 8. See Fig. 7 and Fig. 9.
Switches 1, 2, 3 ( t
on
) and 6, 7, 8 ( t
off
) Time range
1
ON
2 3
6 7 8
0,5-10 seconds
English
25
26
Switches 1, 2, 3 ( t
on
) and 6, 7, 8 ( t
off
) Time range
1
ON
2 3
6 7 8
1,5-30 seconds
1
ON
2 3
6 7 8
5-100 seconds
1
ON
2 3
6 7 8
0,5-10 minutes
1
ON
2 3
6 7 8
1,5-30 minutes
1
ON
2 3
6 7 8
5-100 minutes
1
ON
2 3
6 7 8
12-240 minutes
1
ON
2 3
6 7 8
0,5-10 hours
Fig. 9: Time ranges for t
on
and t
off
English
27

Set the ON time t
on
with potentiometer t
on
and/or the
OFF time t
off
with potentiometer t
off
, with a flat screw-
driver of correct size. See Fig. 7 and Fig. 10.
1 3
Position 1 of the potenti-
ometer = minimum value
of the selected time range
(default position)
Position 3 of the poten-
tiometer = full scale of
the selected time range
min. value of the time
range + 10 % of the
time range
Cursor
min. value of the time range +
40 % of the time range
min. value of the time range +
50 % of the time range
min. value of the
time range +
80 % of the time
range
Fig. 10: Using the potentiometers of the 1078-1
English
27