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DS6500
4
4.4 PERFORMANCE
The scan rate is 800 scans/sec.
Refer to the diagrams in par. 4.5 for further details on the reading features. These diagrams
are taken on various resolution sample codes at a 25 °C ambient temperature depending on
the conditions listed under each diagram.
4.4.1 Reading Conditions
• ANSI Grade B minimum
• 800 scans/sec
The following tables describe the requirements for standard applications.
Minimum Code Height for ACR Reading (mm)
45° 30°
Conveyor Speed (m/s) 0.5 1 1.5 2 2.5 3 0.5 1 1.5 2 2.5 3
0.25
10 12 14 16 18 20 7 9 10 12 13 15
0.30
12 14 15 17 19 21 8 9 11 12 14 15
0.33
13 14 16 18 20 22 8 10 11 13 14 16
0.38
14 16 18 19 21 23 9 11 12 14 15 17
0.50
18 19 21 23 25 26 11 12 14 15 17 18
0.72
24 25 27 28 30 32 15 16 17 19 20 22
2/5 Interleaved
Code Resolution
(mm)
1.00
33 34 35 36 38 40 20 21 22 23 25 26
Ratio 3:1
Table 1
Minimum Code Height for ACR Reading (mm)
45° 30°
Conveyor Speed (m/s) 0.5 1 1.5 2 2.5 3 0.5 1 1.5 2 2.5 3
0.25
9 10 12 14 16 17 6 7 9 10 12 13
0.30
10 11 13 15 17 18 7 8 9 11 12 14
0.33
11 12 13 15 17 19 7 8 10 11 13 14
0.38
12 13 14 16 18 20 8 9 10 12 13 15
0.50
15 16 17 18 20 22 10 10 11 13 14 16
0.72
20 21 22 23 24 26 13 13 14 15 17 18
Code 39
Code Resolution
(mm)
1.00
27 28 29 30 31 32 17 17 18 19 20 21
Ratio 3:1; Interdigit = Module Size
Table 2
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