Image processing
3.1 Code reading (1D/2D codes)
SIMATIC MV500
36
Operating Instructions, 06/2018, C79000-G8976-C494-01
3.1.2.3
QR codes
Note
Maximum code dimension/unsupported code types
•
Codes with a maximum code dimension of 89 x 89 can be read.
•
The following code types are not supported: Micro QR code, Macro QR code.
The recognition process of the optical reader allows reliable and fast reading of printed QR
codes of good quality.
Range of application
●
The range of imaging sizes ranges from 5 to 35 pixels per cell. The range is static.
●
The codes can have any alignment in the image.
●
The code can be printed both dark on a light background and light on a dark background.
●
The viewing angle of the optical reader to the surface can be between 70° and 90°.
●
The diameter of the cells must be the same size over the entire code field.
●
The contrast between cells and the background must be approximately the same over the
entire code field.
●
The image background must have a homogeneous brightness, for example no texture
such as stripes.
3.1.2.4
PDF417 codes
Note
Unsupported code types
The following code types are not supported: Truncated PDF417, Macro PDF417, Micro
PDF417.
The recognition process of the optical reader allows reliable and fast reading of printed
PDF417 codes of good quality.
Содержание SIMATIC MV540 H
Страница 24: ...Description 1 7 Functional description SIMATIC MV500 24 Operating Instructions 06 2018 C79000 G8976 C494 01 ...
Страница 194: ...Service and maintenance 10 3 Replacing a module SIMATIC MV500 194 Operating Instructions 06 2018 C79000 G8976 C494 01 ...
Страница 232: ...Appendix A 3 Alternative user interfaces SIMATIC MV500 232 Operating Instructions 06 2018 C79000 G8976 C494 01 ...
Страница 236: ...List of abbreviations SIMATIC MV500 236 Operating Instructions 06 2018 C79000 G8976 C494 01 ...
Страница 238: ...Service Support SIMATIC MV500 238 Operating Instructions 06 2018 C79000 G8976 C494 01 ...