Rice Lake 420 Plus HMI Digital Weight Indicator Operator Card User Manual
Operator card, Front panel keypad, Led annunciators
420 Plus HMI Digital Weight Indicator
Operator Card
Do not open the indicator enclosure!
Refer all repairs and modifications to
your distributor or service technician.
Front Panel Keypad
Figure 1 shows the
420 Plus
LED annunciators, keypad, and normal mode key functions.
The symbols shown above the keys (representing up, down, enter, left, right) describe the key functions assigned
in setup mode. In setup mode, the keys are used to navigate through menus, select digits within numeric values,
and increment/decrement values.
Figure 1.
420 Plus Front Panel, Showing LED Annunciators and Normal Mode Key Functions
LED Annunciators
The
420 Plus
display uses a set of eight LED annunciators to provide additional information about the value
being displayed:
•
Gross
and
Net
annunciators are lit to show whether the displayed weight is a gross or net weight.
•Center of zero (
): Gross weight is within 0.25 graduations of zero. This annunciator lights when the
scale is zeroed.
•Standstill (
): Scale is at standstill or within the specified motion band. Some operations, including
tare functions and printing, can only be done when the standstill symbol is shown.
•
lb
and
kg
annunciators indicate the units associated with the displayed value: lb=pounds, kg=kilograms.
•The displayed units can also be set to short tons (tn), metric tons (t), ounces (oz), grams (g), or NONE (no
units information displayed). The
lb
and
kg
LEDs function as primary and secondary units annunciators for
some combinations of primary and secondary units. If neither primary nor secondary units are lb or kg the
lb
annunciator is lit for primary units,
kg
for secondary units.
•The
Count
annunciator is lit to show that the indicator is in piece count mode.
•The Tare Acquired (
) lights to show that a tare value was entered.
Warning
lb
kg
Count
Gross
Net
DISPLAY
TARE
SETPOINT
TIME/DATE
POWER
I/O
2
3
4
5
7
8
9
0
6
CLR
ZERO GROSS
NET
TARE
ENTER
MODE SAMPLE
UNITS PRINT
To be the best by every measure
February 2011