Siemens SIWAREX WL260 Series Operating Instructions Manual page 41

4. Calculate the compensating resistance:
Use the following formula:
Figure 6-3
Example calculation:
1)
5. Install the calculated resistances:
Figure 6-4
6. Repeat the test.
SIWAREX WL200
Operating Instructions, 12/2021, A5E02199611B-13
R Determined compensation resistance, to be connected in the signal cable SIG+
c
om
p
R Output resistance of the load cells; can also be measured under load
o
L Weight error: Differential value from the lowest weight value
er
r
L Test load; placed on all four corners
te
st
N Number of load cells in the scale
LC
Formula for corner load adjustment
Load cells
Calculation
LC 1: R = R1 = 1004.52 Ω x 12 kg /
comp
150 kg
LC 2: -
1)
LC 3: R = R3 = 1010.70 Ω x 7 kg / 150 kg approx. 47 Ω
comp
LC 4: R = R4 = 1028.12 Ω x 4 kg / 150 kg approx. 27 Ω
comp
Smallest value: No resistance necessary
Circuit diagram for corner load adjustment
6.3 Adjustment and initial commissioning
Example values
Results for R
comp
approx. 80 Ω
-
1)
Commissioning
41