1 indicator operations – Rice Lake 520 Digital Weight Indicator Operator Card User Manual
Page 2
520 Indicator Operator Card
2
2.1
Indicator Operations
Basic 520 operations are summarized below:
2.1.1
Toggle Gross/Net Mode
Press the
GROSS/NET
key to switch the display mode
from gross to net, or from net to gross. If a tare value
has been entered or acquired, the net value is the gross
weight minus the tare. If no tare has been entered or
acquired, the display remains in gross mode.
Gross mode is indicated by the letters
Gr
(or
Br
for
Brutto in OIML mode) on the secondary display; net
mode is indicated by the letters
Nt
.
When piece count mode is enabled, the
GROSS/NET
key toggles between
Gross/Net/Piece Count
.
2.1.2
Toggle Units
Press the
UNITS
key to switch between primary and
secondary units. The units identifier is shown to the
right of the primary display.
2.1.3
Zero Scale
1. In gross mode, remove all weight from the
scale and wait for the standstill annunciator
(
).
2. Press the
ZERO
key. The center of zero
(
) annunciator lights to indicate the scale
is zeroed.
2.1.4
Acquire Tare
1. Place container on scale and wait for the
standstill annunciator (
).
2. Press the
TARE
key to acquire the tare weight
of the container.
3. Display shifts to net weight and shows the
letters
Nt
on the secondary display.
2.1.5
Remove Stored Tare Value
1. Remove all weight from the scale and wait for
the standstill annunciator (
).
2. Press the
TARE
key (or, in OIML mode, the
ZERO
key). Display shifts to gross weight and
shows the letters
Gr
on the secondary display.
2.1.6
Keyed Tare
1. Hold the
TARE
key for three seconds to display
the current tare value.
2. Use the
RIGHT
and
LEFT
keys to select which
digit to change. Use the
UP
and
DOWN
keys to
decrement the value.
3. Press
ENTER
to accept the value.
2.1.7
Print Ticket
1. Wait for the standstill annunciator (
).
2. Press the
key to send data to the serial
port.
2.1.8
Front Panel Setup
Hold the
UNITS
key for three seconds to enter front
panel setup mode. Use front panel setup to change
setpoint and/or checkweigh values and to set the time
and date.
2.1.9
Display or Change Setpoint Value
To display a setpoint value, enter front panel setup
mode. Press
DOWN
or
ENTER
and the first available
setpoint number is displayed. The
LEFT/RIGHT
keys
toggle through each setpoint that is operator accessible.
Press
ENTER
to display the setpoint value.
NOTE:
Setpoint Value and Preact Value are accessible
from the front panel in weigh mode.
To change the setpoint value, use the
UP/DOWN
keys
to increment/decrement the decimal value of the
flashing digit. Press
ENTER
to sequence to the decimal
point entry.
LEFT/RIGHT
keys adjust the decimal point
placement. Press the
ENTER
key to accept the
displayed value and return to the next value or setpoint
number prompt.
NOTE:
Some indicator configurations may not allow
setpoint values to be changed through the front panel or
may require a password to display or change the
setpoint value.
2.1.10
Turn Setpoint On or Off
To turn a setpoint off at the front panel, enter front
panel setup mode. Press
DOWN
or
ENTER
and the first
available setpoint number is displayed. The
LEFT/RIGHT
keys toggle through each setpoint that is
operator accessible. Press
DOWN
to turn the setpoint
off and back on. Press
ENTER
to display and edit the
setpoint value.
NOTE:
Some indicator configurations may not allow
setpoints to be turned off through the front panel or
may require a password to turn the setpoint on and off.
2.1.11
Display or Change Checkweigh Value
To display a checkweigh value, enter front panel setup
mode. Press
DOWN
or
ENTER
and the first available
checkweigh value is displayed. The
LEFT/RIGHT
keys
toggle through each checkweigh value that is operator
accessible. Press
ENTER
to display the checkweigh
value.
To change the checkweigh value, use the
UP/DOWN
keys to increment/decrement the decimal value of the
flashing digit. Press
ENTER
to sequence to the decimal
point entry.
LEFT/RIGHT
keys adjust the decimal point
placement. Press the
ENTER
key to accept the
displayed value and return to the next value or
checkweigh value prompt.