Image processing
4.2 Code verification
SIMATIC MV420 / SIMATIC MV440
54
Operating Instructions, 04/2013, A5E02371045-06
Assignment of the numeric grade of ISO/IEC 15415 to the quality levels
Grade (abbreviation)
4
3
2
1
0
Comment
Axial non-uniformity
(AN_)
≤0.06
≤0.08
≤0.10
≤0.12
>0.12
Fixed pattern damage (FPD)
This measurement is made in a three-stage process. There is no
direct correlation between the intermediate results and the quality
grade.
Grid non-uniformity (GN_)
≤0.38
≤0.50
≤0.63
≤0.75
>0.75
Modulation (MOD)
This measurement is made in a three-stage process. There is no
direct correlation between the intermediate results and the quality
grade.
Print growth
Reference only, no grading
X and Y
Reference decode (RD_)
pass
fail
Symbol contrast (SC_)
≥0.70
≥0.55
≥0.40
≥0.20
<0.20
Unused error correction (UEC)
≥0.62
≥0.50
≥0.37
≥0.25
<0.25
Summary of Contents for SIMATIC MV420
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