Controls & Displays - ABB AK101 User Manual

7 CONTROLS & DISPLAYS
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.
Upper
Display Line
Lower
Display Line
Alarm
LEDs
Membrane Switches
Fig. 7.1 Location of Contnrols and Displays
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%H2 IN AIR
7.2 Switch Familiarization – Figs. 7.1 and 7.2
Advance to
next page
Page 1
Parameter 1
Parameter 2
Parameter 3
For majority
Parameter 4
of parameters
A – Advancing to Next Page
Parameter 1
Advance to
next parameter
Parameter 2
Parameter 3
Parameter 4
B – Moving Between Parameters
Parameter Value
C – Adjusting and Storing a Parameter Value
Parameter X
Y
Z
D – Selecting and Storing a Parameter Choice
Fig. 7.2 Function of the Membrane Switches
Page 2
Parameter 1
or
Parameter 2
Parameter 3
Page X
Adjust
New value is
or
automatically stored
Select
New value is
or
automatically stored