Edp Command Calibration - Rice Lake IQ plus 710 Installation Manual

Linearization is optional: if you choose not to
perform linearization,
parameter; if linearization values have
previously been entered, these values are reset
to zero during calibration. To perform
linearization, follow the procedure below:
With displayed, Press
WLIN
linearization point (
on the scale and press
numeric keypad to enter the actual test weight
value, then press
indicator displays
progress. When complete, the A/D count for
the linear calibration is displayed. Press
Discontinued Product
again to save the calibration value and
ENTER
go to the next prompt (
Repeat for up to five linearization points. To
exit the linearization parameters, press
return to WLIN.
4.2

EDP Command Calibration

To calibrate the indicator using EDP commands, the
indicator EDP port must be connected to a terminal or
personal computer. See Section 2.3.2 on page 7 for
EDP port pin assignments; see Section 5.0 on page 41
for more information about using EDP commands.
Once the indicator is connected to the sending device,
do the following:
1. Place the indicator in setup mode (display
reads ) and remove all weight from the
CONFIG
scale platform. If your test weights require
hooks or chains, place the hooks or chains on
the scale for zero calibration.
2. Send the WZERO EDP command to calibrate
zero. The indicator displays
calibration is in progress.
3. Place test weights on the scale and use the
WVAL command to enter the test weight
value in the following format:
WVAL=nnnnnn<CR>
4. Send the WSPAN EDP command to calibrate
span. The indicator displays
calibration is in progress.
38 IQ plus 710 Installation Manual
skip the WLIN
to go to the first
). Place test weights
PT-> 1
or . Use the
ENTER
to calibrate. The
ENTER
while calibration is in
*CAL*
).
PT-> 2
while
*CAL*
while
*CAL*
7. The optional 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
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
This function adjusts the zero and span
calibration values. The indicator displays
while the zero and span calibrations
*CAL*
are adjusted. When complete, the adjusted
A/D count for the zero calibration is
displayed. Press
to then press
menu.
8. Press until the display reads
press to exit setup mode.
5. Up to five linearization points can be
c a l i b r a t e d b et w e e n t h e z er o a n d sp a n
c a l i b r a t i o n v a l u e s . U s e t h e f o l l o w i n g
commands to set and calibrate a single
linearization point:
WLIN.V1=nnnnn<CR>
WLIN.C1<CR>
The WLIN.V1 command sets the test weight
value (nnnnn) for linearization point 1. The
WLIN.C1 command calibrates the point.
Repeat using the WLIN.Vx and WLIN.Cx
commands
linearization points.
6. To remove an offset value, clear all weight
from the scale, including hooks or chains used
to hang test weights, then send the REZERO
EDP command. The indicator displays
while the zero and span calibrations are
adjusted.
7. Send the KUPARROW or KEXIT EDP
command to exit setup mode.
to return to
to rezero the scale.
ENTER
to save the value,
ENTER
to return to the CALIBR
CONFIG
as required for additional
, then
*CAL*