3 SPECIFICATIONS
3.2 Performance Specifications
17
3
Working distance and field of view
The distance from a lens to an inspection target is referred to as 'working distance', and an area where a code reader can see
at that distance is referred to as 'field of view.'
As the working distance increases, so does the field of view.
Code reader CF26-SR (6.2 mm lens)
The following shows the minimum code sizes that can be read in each working distance.
The following figure shows the field of view in horizontal direction and vertical direction.
Unit: mm
Working distance
Minimum size for 1-D code
Minimum size for 2-D code
40
0.0508 (2 mil)
0.0762 (3 mil)
65
0.0508 (2 mil)
0.1016 (4 mil)
105
0.127 (5 mil)
0.1778 (7 mil)
1 mil = 1/1000 inch = 0.0254 mm = 25.4
μ
m (Mil (milliinch) is the size of a single cell.)
mm
mm
in
100
0
37 x 28
56 x 42
87 x 65
60
100
160
0
3
6
200
0
0
3
3
60
60
100
in
9
20
40
80
20
20
180
140
120
80
40
80
40
Field of view
Working
distance
(FoV)
Summary of Contents for Mitsubishi Electric MELSENSOR CF26 Series
Page 2: ......
Page 14: ...12 1 PRODUCT OVERVIEW MEMO...
Page 30: ...28 4 FUNCTIONS 4 1 Function List MEMO...
Page 49: ...7 INSTALLATION 7 2 Registration of a Profile 47 7 MEMO...
Page 51: ...8 MAINTENANCE AND INSPECTION 8 3 Cleaning a Lens Cover 49 8 MEMO...
Page 53: ...9 TROUBLESHOOTING 9 1 Error Checking Method 51 9 MEMO...
Page 58: ...56 APPX Appendix 2 External Dimensions MEMO...
Page 59: ...APPX Appendix 2 External Dimensions 57 A MEMO...
Page 63: ......
