Siemens SIWAREX WP251 - Automatic Calibration; Linearizing the Scales Characteristic Curve; Image

Scale parameters and functions
8.4 Calibration
SIWAREX WP251
78 Manual, 12/2015, A5E37203357A
Image 8-4 Linearizing the scales' characteristic curve
Load
Comment
Load
Digits
L=0 100 kg load cell (2 mV/V) not
loaded
Approx. 0
L0 Mechanical installation on load
cell (dead load)
e.g. 25 kg
Approx. 500 000
L1 Calibration weight 1 placed
onto scale
e.g. 60 kg
Approx. 1 200 000
L2 Calibration weight 2 placed
onto scale
e.g. 80 kg Approx. 1 650 000
L
max
Nominal weight of load cell
100 kg
Approx. 2 000 000
L
max
+10 %
Rated weight + approx. 10 %
Approx. 110 kg
Approx. 2 200 000
8.4.2
Automatic calibration
Scales can be rapidly commissioned with automatic calibration. The accuracy of the scale
greatly depends on the entered parameters and the mechanical properties of the scale. The
best level of accuracy for the scale can be achieved by calibrating with calibration weights.
During initial commissioning with automatic calibration, the module must be reset using the
"Load factory settings" or "Load standard parameters" command.