Motorola MC55N0 Specifikace stáhnout pdf (Strana 103)

Specifications A - 11

SE4500-HD

Figure A-4 shows the decode zone for the SE4500-HD. Typical values appear. Table A-5 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-4

SE4500-HD Decode Zone

Depth of Field

13 mil (100% UPC)

6.4

5 mil PDF417

1.6

6.8

1.6

3.8

15 mil PDF417

5.1

4.0

10.2



 Minimum distance determined by symbol length and scan angle.

4.0

in.

Note: Typical performance at 73°F (23°C)

on high quality symbols in normal room light.

Vcc = 3.3V

7.5 mil Code 39



6.1

6.67 mil PDF417

1.3

4.5

10 mil PDF417



5.1

4 mil PDF417

1.8

3.5

2.0

5.1

2.0

3 mil Code 39

1.6

3.8

5 mil Code 39



5.0

5 mil Data Matrix

1.8

3.6

In .

30.5

5.1

10.2

15.2

20.3

25.4

11.1

20 mil Code 39



2.0

6.1

15 mil Data Matrix

1 2 ... 98 99 100 101 102 103 104 105 106 107 108 ... 125 126

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