Set Points
With this feature, you can establish set point parameters: the set point number, what supply it
should monitor (whether it should monitor a bakeout), and the on/off pressure values. With each
set point parameter, if the set point has been used before, the present values are displayed.
Procedure
1.
Press
Set Points
(the
3
key). The bottom display shows 1 – 8 followed by a flashing
sign to indicate that you may use the numerical keys to enter the desired set point.
2.
Key in the set point number and press
ENTER
.
1
2
3
4
5
6
7
8
Set Point
Set Point
Supply 1
Supply 2
Display
Select
Display
Select
Flashing
Sign
Options:
1 through 8
3.
The next parameter is SPT SUPPLY. An arrow points to the bottom
Display Select
key to show it is active. Press it to cycle through the options — DISABLED,
SUPPLY 1, SUPPLY 2, BAKE S1, and BAKE S2.
1
2
3
4
5
6
7
8
Set Point
Set Point
Supply 1
Supply 2
4.
When you reach the desired option, press
ENTER
.
5.
The next parameter is SETPT ON. The bottom display shows the current ON
pressure with the number flashing to indicate that you can use the numerical keys to
enter a new value (e.g. 2.0E-5 Torr).
1
2
3
4
5
6
7
8
Set Point
Set Point
Supply 1
Supply 2
6.
Key in the desired ON pressure value and press
ENTER
.
NOTE: If you change the ON pressure, OFF pressure default is reset to: ON pressure * 1.2
(20% hysteresis)
7.
The next parameter is SETPT OFF. Key in the desired OFF pressure value and press
ENTER
. Or press ENTER for 20% hysteresis.
1
2
3
4
5
6
7
8
Set Point
Set Point
Supply 1
Supply 2
8.
When the display asks you to CONFIRM, press
ENTER
to save your set point
parameters or
ESC
to exit without saving changes.
After you have finished
Digitel MPC Manual
Page 22 of 72
