44
NDX VALVE CONTROLLER
Automatic calibration
After selecting the Automatic calibration from the menu,
press enter. There is a warning about automatically moving
valve before calibration will start. If it is safe to continue,
press enter and arrow keys at the same time as shown in
the display. Display shows progress of the calibration. After
calibration the display shows CALIBRATION SUCCESSFUL
text. Device returns to menu by pressing enter or automati
cally to monitoring view after 60 seconds.
12.8.3
Parameters
To open the main menu, press menu button. Select Para meters
and press enter to open Parameters menu.
In this menu the most important assembly related para meters
can be configured and also there are some user interface
modification parameters available.See actuator and piping
related parameter settings in Figure 34 (page 29).
•
Language
þ
Display language can be changed, available
languages are English, Chinese, Spanish, Italian,
French, Korean, German, Turkish, Dutch, Portuguese.
þ Once Language is selected, press enter to edit
the setting. Change setting with arrow keys and
confirm that with enter.
•
Actuator type
þ This parameter defines if actuator is single acting
(spring return) or double acting.
þ Once Actuator type is selected, press enter to edit
the setting. Change setting with arrow keys and
confirm that with enter.
þ If single acting actuator is selected, Pneumatics
Connection parameter needs to be defined
too. Options are I or II. I means that the port I is
connected to the actuator and II means that the
port II is connected to the actuator. The other one
needs to be plugged (if applicable).
þ Once Pneumatics Connection is selected, press
enter to edit the setting. Change setting with
arrow keys and confirm that with enter.
•
Valve Type
þ
This parameter defines if device is mounted on a
linear valve or rotary valve. In the main menu there
is different position indicator depending on which
valve type is selected.
þ
Once Valve type is selected, press enter to edit the
setting. Change setting with arrow keys and confirm
that with enter.
•
Dead angle
þ
This setting compensates for the inherent “dead
angle” (a0) which is the amount of rotation without
flow within rotary valves. The entire signal range is
then used to control the effective valve opening, 90
a0). Use 0 % as the “dead angle” for the valves not
mentioned in the table below.
þ
Once Dead angle is selected, press enter to edit the
value. Change value with arrow keys and confirm that
with enter.
%
12 LOCAL USER INTERFACE (LUI)