REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04
REF542
plus
: Installation and Commissioning
49 / 80
At the end of each test display line a place is left for the test result. The test result can
be:
DONE
(for LCD and LEDs tests)
FAIL
or
OK
(for Keyboard, E-Key and Serials tests)
Each time the HMI Test Page (each of the two type) is accessed the place for the re-
sult is set to blank. After a test is run the corresponding result is shown. If the menu
option “
Run all tests
” is selected, all tests results will be displayed.
The following paragraphs describe the performing of single test.
6.4.1 LCD test
This test consists in the following four parts. Each part has a corresponding page and
there is a 2 seconds delay between one test and the following one.
A manual verification by the test operator is needed to check the test result.
6.4.1.1
Texts writing test
LCD page is displayed
1 second delay
The LCD page is cleared
The test is carried out. It writes the text as shown in the next figure
↵
2 sec
after
t
t
To Graphic
Test Page
……………TEXT WRITING TEST
Figure 27:
LCD Display during Text Writing test
2 seconds delay. After the delay time is expired the following next test will be started
automatically:
6.4.1.2 Graphic writing test
The LCD page is displayed
1 second delay
The LCD page is cleared
