Siemens SIMATIC MV440 Operating Instructions Manual page 58

Image processing
4.2 Code verification
Assignment of the numeric grading of AS9132 Rev. A, and the quality levels
Grade
Angle of distortion (AOD)
Module center offset (CO_)
Module size offset (SO_)
Module fill (MF_)
Nominal module size (NMS)
Ovality (OV_)
Contrast
56
4 3
<3.5 <7
C1<2% C2<2%
C1<2% C2<2%
65%-
105%
C1<2% C2<2%
2 1 0
>7
C2>2%
C2>2%
<65% or
>105%
Reference only, no grading
C2>2%
Reference only, no grading
Operating Instructions, 04/2013, A5E02371045-06
Comment
C1 is the number of modules
with a center offset less than
10% of the module size
C2 is the number of modules
with a center offset less than
20% of the module size
C1 is the number of modules
with a size offset between 70%
and 90% of the module size
C2 is the number of modules
with a size offset between 60%
and 105% of the module size
Reference only, 80% is ideal
C1 and C2 are the numbers of
modules with an ovality greater
than 20% of the nominal
module size
SIMATIC MV420 / SIMATIC MV440