MRF 16/22
30
MF 55-GB 1.21
8.12 Program example 2
The following sequence of entries creates and runs the 5 segment program shown in figure 8.2
above. If a multi program controller is fitted, another program can be run within this by
activating it with a ‘Call’ segment (segment 3 of this program). In segments 1 and 5 the
microwave power percentage setting comes from the microwave control page, it can be
changed while the program is running. The microwave control timer does not need to be
running for a program to use this power setting.
On the home page:
Press down
T
to turn the controller SP down to ‘-20’.
Press page
3 times to get to the MW control page.
Press up
S
down
T
to set the power to 50%. Segments 1 and 5 will use this setting. It
can be manually adjusted while a program is running.
Check that the microwave count down timer is switched off and or down to zero:
Press scroll
3
then down
T
to set the time to zero.
Press scroll
3
then press up
S
or down
T
to set the timer to ‘off’.
If you want the MW power to pulse on/off in the segments:
Press scroll
3
then press up
S
or down
T
to set to ‘1’ for ‘on’.
Press scroll
3
then up
S
or down
T
to set to the ‘on’ duration.
Press scroll
3
then up
S
or down
T
to set to the ‘off’ duration.
Return to the home page then go to the Program Edit page:
Press page
and scroll
3
at the same time.
Press page
twice.
On multi-program models:
Press up
S
or down
T
to select a new program number, (a program with only 1
segment).
Now enter the parameters for the program segments:
Segment 1
Time
Duration 2:25:00hrs
(rate 500°C/hr)
Target 1200°C
MW power
50% variable
Segment 2
Dwell
Duration 1:00:00
MW power
90% fixed
Segment 4
Step
Target 800°C
Holdback
3°C High
MW power
90% fixed
Segment 5
End Type Dwell
MW power
50% variable
Segment 3
Call
Call prog 3
Call cycles 2
Multi prog
units only
Program 3
example
Holdback
High 3°C
145min
60min
Natural cool down to 803°C
Continuous dwell at 800°C
1200°C
800°C
Figure 8.2 Program example 2
100% fixed
100% fixed
