SIMATIC MV420 / SIMATIC MV440
Operating Instructions, 04/2013, A5E02371045-06
113
Installation
6
6.1
Important notes on installation
Note
When you install the reader, make sure that the code to be read is visible to the reader with
the best possible quality. When you install the reader, use the setup support "Reader
adjustment".
The following requirements must be met:
●
The code must be clearly visible:
–
There must be as little reflection in the code field as possible.
–
The code field must be uniformly lit without shadows.
–
All the code parts must be sharply imaged.
●
The viewing angle to the code may vary between 40° to 90° and 80° to 90° depending
on the code type, see Performance characteristics when reading codes (Page 32).
●
The distance between a two-dimensional code and image border must be at least 2 cell
widths.
●
Maintain the quiet zone around the code.
Summary of Contents for SIMATIC MV420
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