Rice Lake 420 Plus HMI Digital Weight Indicator Installation Manual - Manual (Page 55)

420 Plus Installation Manual - Appendix 51
7.9 Test Mode
In addition to normal and setup modes, test mode
provides a number of diagnostic functions for the
420
Plus , including:
• Display raw A/D count
• Reset configuration parameters to default
values
• A/D internal calibration
Note Test Mode is intended for factory use only.
To enter test mode, press and hold the setup switch
until the front panel display shows the word
TEST
. After
a b o u t t h r e e s e c o n d s , t h e t e s t m o d e d i s p l a y
automatically shifts to the first test menu function, A/
DTST.
Figure 7-6 shows the Test Menu structure; Figure 7-7
shows the front panel key functions in test mode. Note
that, because the Test Menu functions are all on a
single menu level, the
GROSS/NET
( ) key has no
function. Press the
ZERO
( ) key to exit test mode.
Table 7-7 summarizes the test menu functions.
A/DTST
TEST
ADOFFS ADGAIN DEFLT
Figure 7-6. Test Mode Menu
EXIT
Not used
ENTER
Move LEFT
Move RIGHT
Figure 7-7. Front Panel Key Functions in Test Mode
TEST Menu
Function Description
A/DTST Display A/D test
Press and hold Enter key to display raw count from A/D converter.
DEFLT Default parameters
Press setup switch and Enter key at the same time to reset configuration and calibration parameters to factory
default values. Load cells must be recalibrated before using the indicator (see Section 4.0 on page 30).
Table 7-7. Test Mode Menu Functions