Omron V530-R150E-3 -, Руководство по эксплуатации

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Cameras
Section 2-4
2-4 Cameras
2-4-1 Cameras with Light Sources
The Cameras with Light Sources are special cameras with a lens and
light source attached. The light source and lens are a single unit and
are thus compact and easy to mount. The Camera must be mounted
at a distance from the measurement object where it can correctly
view the object.
The lens focus is fixed and the distance must be adjusted each time
the lens or Camera is changed because the field of vision and focus
vary from lens to lens.
Also, the camera’s working distance is an approximate value. Mount
the camera so that it can be adjusted slightly nearer to or farther from
the object.
Note
1. Determine which Camera is appropriate based on the size of the
code, as shown in the following table.
2. Use the following guidelines for the code’s matrix size.
• QRCode 21
™
21 (version 1) to 33
™
33 (version 4)
• DataMatrix 10
™
10 to 26
™
26
3. If the object size and field of vision are incompatible, use a stan-
dard CCTV lens and light source with a F150-S1A Camera.
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Field of vision Appropriate code size
20 mm
™
20 mm About 10 mm square
50 mm
™
50 mm About 25 mm square