Controls And Displays; Displays; Switch Familiarization - ABB 9438 User Manual

5 CONTROLS AND DISPLAYS

5.1 Displays – Fig. 5.1
The display comprises a 5-digit, 7-segment digital upper display
line and a 16-character dot-matrix lower display line. The upper
display line shows numerical values of dissolved oxygen
concentration, temperature, alarm set points or programmable
parameters. The lower display line shows the associated units or
programming information.

5.2 Switch Familiarization

Upper
Display Line
Lower
Display Line
D.O.
Alarm
LEDs
Membrane Switches
Fig. 5.1 Location of Controls and Displays
14
1 8 . 1
g/kg
Advance to
next page
Page 1
Parameter 1
or
Parameter 2
Parameter 3
For majority
Parameter 4
of parameters
A – Advancing to Next Page
Page X
Parameter 1
Advance to
next parameter
Parameter 2
Parameter 3
Parameter 4
B – Moving Between Parameters
Parameter Value
or
C – Adjusting and Storing a Parameter Value
Parameter X
Y
Z
or
D – Selecting and Storing a Parameter Choice
Fig. 5.2 Membrane Switch Functions
Page 2
Parameter 1
Parameter 2
Parameter 3
Adjust
New value is
automatically stored
Select
New value is
automatically stored