Siemens SIWAREX WL200 Series Operating Instructions Manual page 37

4. Calculate the compensating resistance:
Use the following formula:
R
co
mp
R
o
L
rr
L
est
N
L
C
Figure 6-3
Example calculation:
1)
SIWAREX WL200
Operating Instructions, 07/2016, A5E02199611B-03
Determined compensation resistance, to be connected in the signal cable SIG+
Output resistance of the load cells; can also be measured under load
Weight error: Differential value from the lowest weight value
e
Test load; placed on all four corners
t
Number of load cells in the scale
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 /
comp
150 kg
LC 4: R = R4 = 1028.12 Ω x 4 kg /
comp
150 kg
Smallest value: No resistance necessary
6.3 Adjustment and initial commissioning
Example values
Results for R
comp
approx. 80 Ω
-
1)
approx. 47 Ω
approx. 27 Ω
Commissioning
37