4 irev calibration – Rice Lake 920i Installation Manual V3.05 User Manual

Page 58

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52

920i

Installation Manual

Once the indicator is connected to the sending device,

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. Send the SC.WZERO#n serial command

(where n is the number of the scale) to

calibrate zero.

3. Place test weights on the scale and use the

SC.WVAL command to enter the test weight

value in the following format:

SC.WVAL#n=vvvvv<CR>

4. Send the SC.WSPAN#n serial command to

calibrate span.

5. Up to five linearization points can be calibrated

between the zero and span calibration values.

Use the following commands to set and

calibrate a single linearization point:

SC.WLIN#n.V1=vvvvv<CR>
SC.WLIN#n.C1<CR>

The SC.WLIN#n.V1 command sets the test

weight value (vvvvv) for linearization point 1.

The SC.WLIN#n.C1 command calibrates the

point. Repeat using the SC.WLIN#n.Vx and

SC.WLIN#n.Cx commands as required for

additional linearization points.

6. To remove an offset value, clear all weight

from the scale, including hooks or chains used

t o h a n g t e s t w e i g h t s , t h e n s e n d t h e

SC.REZERO#n serial command.

7. Send the KSAVE serial command to save the

calibration changes; send KEXIT to exit setup

mode.

4.4

iRev Calibration

The

iRev

Calibration Wizard provides step-by-step

scale calibration. With the

920i

connected to the PC,

select the Calibration Wizard from the Tools menu on

the

iRev

Scales display, then follow the steps listed

below to calibrate the scale. See Section 5.0 on

page 54 for a general overview of the

iRev

utility.

1. On the first Calibration Wizard display (see

F i g u r e 4 - 3 ) , s e l e c t w h e t h e r y o u a r e

performing a standard (zero and span)

calibration or a multi-point linear calibration.

Click the

Next

button to continue.

Figure 4-3. iRev Calibration Wizard

2. Next (see Figure 4-4), select the scale you

wish to calibrate.

Figure 4-4. iRev Scale Selection Display

3. Enter the test weight used to calibrate the

scale (see Figure 4-5). If chains or hooks are

used to hold the weights, check the box below

the test weight value entry. This adds a rezero

step to the calibration sequence.

Figure 4-5. iRev Test Weight Value Display

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