Rice Lake IQ Plus 355 Installation Manual V1.17 - Manual (Page 28)

24 IQ plus 355 Installation Manual
4.0 Calibration
The IQ plus 355 can be calibrated using the front panel, EDP commands, or the Revolution
™
configuration
utility. Each method consists of the following steps:
• Zero calibration
• Entering the test weight value
• Span calibration
• Optional rezero calibration for test weights using hooks or chains.
The following sections describe the calibration procedure for each of the calibration methods.
Figure 4-1. Calibration (CALIBR) Menu
4.1 Front Panel Calibration
To calibrate the indicator using the front panel, do the
following:
1. Place the indicator in setup mode (display
reads
CONFIG
) and remove all weight from the
scale platform. If your test weights require
hooks or chains, place the hooks or chains on
the scale for zero calibration.
2. Press until the display reads
CALIBR
(see
Figure 4-1). Press to go to zero calibration
(
WZERO
).
3. With
WZERO
displayed, press to calibrate
zero. The indicator displays
*CAL*
while
calibration is in progress. When complete, the
A/D count for the zero calibration is
displayed. DO NOT adjust this value after
WSPAN has been set! Press again to save
the zero calibration value and go to the next
prompt (
WVAL
).
4. With
WVAL
displayed, place test weights on
the scale and press to show the test weight
value. Use the procedure shown in Figure 4-2
to enter the actual test weight, then press to
save the value and go to span calibration
(
WSPAN
).
5. With
WSPAN
displayed, press to calibrate
span. The indicator displays
*CAL*
while
calibration is in progress. When complete, the
A/D count for the span calibration is
displayed. Press again to save the span
calibration value and go to the next prompt
(
REZERO
).
6. The rezero function is used to remove a
calibration offset when hooks or chains are
used to hang the test weights.
•
If no other apparatus was used to hang the
test weights during calibration, remove
the test weights and press to return to
the CALIBR menu.
• If hooks or chains were used during
calibration, remove these and the test
weights from the scale. With all weight
removed, press to rezero the scale. This
function adjusts the zero and span
calibration values. The indicator displays
*CAL*
while the zero and span calibrations
are adjusted. When complete, the adjusted
A/D count for the zero calibration is
displayed. Press to save the value, then
press to return to the CALIBR menu.
7. Press until the display reads
CONFIG
, then
press to exit setup mode.
Figure 4-2. Editing Procedure for Numeric Values
9999999 9999999 9999999 9999999
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CAL*
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