ABB AK101 - Controls & Displays

26
%H2 IN AIR
Alarm
LEDs
Upper
Display Line
Lower
Display Line
Membrane Switches
A – Advancing to Next Page
Parameter 1
Parameter 2
Parameter 3
Parameter 4
Page 1
Parameter 1
Parameter 2
Parameter 3
Page 2
Advance to
next page
For majority
of parameters
or
B – Moving Between Parameters
C – Adjusting and Storing a Parameter Value
New value is
automatically stored
Parameter Value
Adjust
D – Selecting and Storing a Parameter Choice
Parameter X
Y
Z
Select
Parameter 1
Parameter 2
Parameter 3
Page X
Parameter 4
Advance to
next parameter
or
New value is
automatically stored
or
7.1 Displays – Fig. 7.1
The 4689 (or CM30) digital display(s) mounted in the 6553
Display Unit comprises a 5-digit, 7-segment digital upper
display line and a 16-character dot-matrix lower display line. The
upper display line shows actual values of hydrogen purity,
hydrogen in air, air in carbon dioxide, alarm set points or
programmable parameters. The lower display line shows the
associated units or programming information.
7 CONTROLS & DISPLAYS
Fig. 7.1 Location of Contnrols and Displays
Fig. 7.2 Function of the Membrane Switches
7.2 Switch Familiarization – Figs. 7.1 and 7.2