Mini-Mite™ Tube Furnace
UP150 Controller Operation
12
7.6 Changing Temperature Scale Between °C and °F
To change the temperature scale in the UP150 controller to
operate on °F instead of the factory setting of oc, or from °F to
°C, follow these steps.
These changes will alter the controller input type and
associated scale-dependant parameters,
AND ERASE the
stored program to default values
.
Please document the
stored program in the controller BEFORE proceeding.
If during this procedure the buttons are inactive for more than
two minutes, the controller will return to the standard display.
1. Make sure the indicators beside "RUN" and "L" on the
controller face are off. If they are on, press and hold the
'UP/RESET' button until the RUN or L indicators are off.
2. To access the Operating Parameters menu, press and
HOLD the 'SET/ENT' button for at least 3 seconds to display
"modE".
3. Press and release the 'SET/ENT' button until the display
shows "LOC'' in the upper display. Make sure the value
below "LoC" is "0" (zero). If it is not "0" use 'down arrow' to
make "0" and press and release "SET/ENT" button to
register change to "0".
4. At "LoC" display, press the 'down arrow’ to make the lower
value "-1".
5. Press and release the "SET/ENT' button to enter the Setup
Parameters menu and show "In" on the upper display and a
numerical value in the lower display.
6. See table below for the STANDARD values for this
parameter and the others needed in the following steps.
7. Select the appropriate value for the "In" parameter. Press
the 'UP' or 'DOWN' arrow buttons to make the lower display
to the new value, then press and release the 'SET/ENT'
button TWICE to register the new value and advance to the
next parameter.
8. "SPH" is the next parameter displayed. Select and enter the
new value, then press and release the 'SET/ENT' button
TWICE.
9. "SPL" is the next parameter displayed. Select and enter the
new value, then press and release the 'SET/ENT' button
ONCE.
10. Press and HOLD the 'SET/ENT' button for at least 3
seconds to exit.
11. Press and HOLD the 'SET/ENT' button for at least 3
seconds to enter the Operating Parameter menu and show
"modE" in the upper display.
12. Press and release the 'SET/ENT' button until the upper
display shows "P". Select the value in the table and adjust
the lower display accordingly. Press and release the
'SET/ENT' button TWICE.
13. "I" is the next parameter displayed. Select and enter the new
value, then press and release the 'SET/ENT' button TWICE.
14. "d" is the next parameter displayed. Select and enter the
new value, then press and release the 'SET/ENT' button
ONCE.
15. Press and HOLD the 'SET/ENT' button for at least 3
seconds to exit.
16. Reenter or create a program using the new temperature
scale.
The following table shows the corresponding parameter
values for 11000c box furnaces in °C and °F:
Parameter
°C
°F
In
1
31
SPH
1100
2012
SPL
0
32
p
20
38
I
120
120
D
30
30
The P, I and D parameters may be altered through auto tuning
(refer to Section 7.4 on page 11).
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