1-D / Pdf417Scan Element - Symbol Series 3100 Product Reference Manual

Series 3100/3500 Product Reference Guide

1-D / PDF417Scan Element

Table D-4. 1-D / PDF417 Scan Element Specifications
Item
Power Requirements
Laser Diode Power
Scan Pattern
Start Time:
Scan Angle
Beam Deviation (offset from the
nominal)
Pattern Geometry
Scan Rate
Frame Rate
Optical Resolution
Max. Size of PDF417
Decode Capability
Angular Orientation Tolerances
Pitch Tolerance
Skew
Rotational Tolerance
Specular Dead Zone
D-4
Description
+5 V, @ <130mA Typical
1.2 mW, max
0.065 sec. to 75% of steady state horizontal amplitude; 0.50
sec. to 90% of steady state vertical amplitude
X = ± 18.1 degrees optical; Y = ± 6.8 degrees optical
X = 3.3 degrees; Y = 3.0 degrees. Max droop ± 1 degree.
Horizontal tilt: ± 2 degrees.
At 10 in. from the chassis front, the pattern is 7.2 in.
horizontally and 2.6 in. vertically.
Parallelogram (deviation from the rectangular): 10
560 scans/sec. 280 Hz ±10 Hz (horizontal)
25 frames/sec. 12.5 Hz ±1 Hz (vertical)
Can decode a 6.6 mil (minimum X-dimension) symbol
(PDF417); Y-dimension must be 3X.
5.0 in. wide x 2.3 in. high (928 codewords, at security level 0
- 8)
1-D Symbologies: UPC-A, UPC-E, EAN-8, EAN-13, Code
39, Code 39 Full ASCII, Code 128, Interleaved 2 of 5,
Codabar, UCC/EAN 128. Cannot autodiscriminate between
Code 39 and Code 39 Full ASCII.
2-D Symbology: PDF417 (up to 928 codewords at security
level 0 - 8).
± 30
o
("front to back")
± 15
o
from plane parallel to symbol ("side-to-side")
± 4 o
(for scanning benchmark label, assuming 3:1 codeword
aspect ratio). Note that this is dependent on the decoder.
± 2° (1-D symbologies) or ± 9° (PDF417) from beam direction
o
max.