DOL 635 • DOL 639
User Manual
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You can also select whether the production controller should automatically change over to another silo with the
same type of feed (
Automatic change
). If another silo with the sufficient quantity of feed is not available, the pro-
duction controller will display an alarm:
No feed for feed weigher
. See also the Feed alarms section.
4.7.2 Gradual changeover
The production controller is capable of changing gradually between two silos with the same type of feed. This
way, it is possible to change gradually to a different feed mixture, (applies only to drum weigher and DOL 9940).
Feed A Silo 1
Feed A Silo 2
Feeding from Silo 2
Silo 1 is now empty
Figure 3: Gradual transition from Silo 1 to Silo 2.
When the content in the silo falls to a set quantity, the gradual transition to a silo with the same type of feed will
start.
4.8 24-hour clock
This section is relevant only to houses with 24-hour clock.
Production | 24-hour clock
24-hour clock
Setting of number of starts, start time and ON time.
24-hour clock week pro-
gram
Setting for whether the 24-hour clock will be active on the individual weekdays.
In each program you must set the following:
• Number of periods per day (1-16)
• Start time
• Duration
Press the field in the column
Start
to change the start time.
Press the field in the column
Duration
to change the duration of
the period.
Press the plus sign for a new period, then set the start time and
duration for this period.
The blocks on the time line shows when and how long the 24-
hour clock is on.
Outside the selected periods, the 24-hour clock is off.
Press to delete a period.
