Motorola MC21XX SERIES Especificações descarregar pdf (Página 76)

A - 6 MC21XX Series Integrator Guide

1D Laser Decode Zones

Figure A-2 shows the decode zone for the 1D laser scan engine. The figures are typical values. Table A-3 lists

the typical distances for selected bar code densities. The minimum element width (or “symbol density”) is the

width in mils of the narrowest element (bar or space) in the symbol.

Figure A-2

ID Laser Decode Zone

in.

5 mil Code 39

1.2

12.5

7.5 mil

100% UPC

1.1

18.5

27.0

52.0

100.0**

200.0**

in.

12.7

25.4

5 mil C128

1.2

7.7

10 mil Code 128

1.2

19.0

1.6

15 mil Code 128

29.5

1.0

1.4

76.2

88.9

101.6

114.3

38.1

20 50.8

38.1

20 50.8

20 mil

55 mil

100 mil Reflective

Note: Typical performance at 73.4

F (23

on high quality symbols.

*Minimum distance determined by symbol length and scan angle

Depth of Field

25.4

38.1

50.8

63.5

31.6

127.0

152.4

12.7

127.0

25 63.5

30 76.2

25 63.5

30 76.2

3.4*

Scan Angle

Adaptive Scanning Angle (10

)

**Distances achieved using adaptive scanning mode.

ESC

1 2 ... 71 72 73 74 75 76 77 78 79 80 81 ... 101 102

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