4.
Use the buttons at the bottom to change the number of segments or
to display the temperature curve programmed so far:
[Delete]
- Removes the currently selected segment (segment
number with a light background) from the program
sequence.
[Undo
delete]
- Reverses the last delete operation.
[Copy]
- Inserts a copy of the currently selected segment into
the next line.
[Graph]
- Displays the temperature-time diagram of the pro-
gram sequence created so far (all segments).
This aim of this example is to show you how it is possible to influence the
temperature profile of a program by changing individual segment settings.
The graphic opposite shows the original profile with a solid line, and the
edited profile with a dotted line. The cooling duration (
segment 6
) varies
depending on the type of device, application and other factors; it is shown by
dashed lines.
The original profile (solid line) roughly shows three sequence phases; the
values defined for them can be seen in the table below:
Segment 1
: The start temperature 30 °C is maintained for 20 min.
Segment 2 – 4
: The temperature is increased in 2 phases to 70 °C within
an hour, and then maintained for 10 min.
Segment 5 – 6
: The temperature is increased to 60 °C within half an
hour and should then reduce to, and be maintained at, 40 °C without a
time limit, i.e. as quickly as possible.
Table 1: Example of a program with segments
Seg.
Seg. type
Tend°C
Time h:m
D
T°C
Pump
Control
Out1
Out2
Out3
Start
Start
30.00
----
-----
1
internal
-----
-----
-----
1
Maintain
30.00
0:20
-----
1
internal
-----
-----
-----
2
Ramp
50.00
0:20
-----
6
internal
-----
-----
-----
3
Ramp
70.00
0:40
-----
6
internal
-----
-----
-----
4
Maintain
70.00
0:10
-----
1
internal
-----
-----
-----
5
Ramp
60.00
0:30
-----
4
internal
-----
-----
-----
6
Jump
40.00
0:00
-----
4
internal
-----
-----
-----
Example of a program with changes
Fig. 24: Example of a program with tem-
perature profiles
V1
Command Touch operating unit
30 / 51