Festo Checkbox Compact CHB-C-X - Examples for Calculation of the Features; Band Width and Tolerance

A. Technical appendix
A-12
Festo P.BE-CB-COMP-EN en 1102d
A.3 Examples for calculation of the features
A.3.1 Band width and tolerance
The band width B specifies how far the value of the feature
may vary upwards or downwards.
The tolerance T specifies the percentage increase in the band
width of each feature, related to the average value of the
feature.
C
max tol
= C
max
+A ×
T
100
C
min tol
= C
min
−A ×
T
100
B = C
max tol
−C
min tol
= C
max
− C
min
+
2 × T × A
100
→ T =
B−(C
max
− C
min
)
2 × A
× 100
A
B
C
max
C
max tol
C
min
C
min tol
T
Average value of the feature
Band width
Feature maximum
Upper limit of the band width incl. tolerance
Feature minimum
Lower limit of the band width incl. Tolerance
Toleranc e