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6. Restart the conveyor belt if it is not running
7. Press START
8. Continue to Section 3.10.3.1.4
A.3.3.4 Executing the Span Calibration
Whichever method has been used to start automatic span calibration, after start
is pressed, the following screen displays:
AUTO SPANNING
Time remaining 0000
Rate 0000.0 Tph
Total 000000 Tons
During Auto Span, the resolution of the total is ten times higher than normal.
The time remaining shown in Line 2 is calculated upon the current speed and is
based on the test duration.
If the belt is stopped during the test, a message is displayed indicating the
procedure has been suspended.
No action is required from the operator; wait until the test is completed.
A.3.3.5 Material Factor
Use this step only if a material calibration is done before and the current
simulated load method has no material factor installed.
Note: This section does not apply if one of the following exists:
1. A calibration with material has not been run before,
2. A manual span entry is done, or
3. This is not the first time the current simulated method is used.
Proceed to Section 3.10.3.1.6.
It is very important to understand when this procedure is executed; the system
does not alter the span. The span is assumed correct because it was obtained
from a test with material.
The system acquires the Material Factor for the current calibration method
instead. This means the Integrator knows in the future how to use this method
for correctly changing the system’s span.
Use the following steps to incorporate the Material Factor. The following
screen displays:
AUTO SPAN COMPLETE
Error +/-00.00 %
Unfactored Calcon
EXIT FACTOR REPEAT
A-8 Weighbridge Physical Parameters Thermo Fisher Scientific
REC 4175 Rev B