Symbol SE 2223, Руководство по интеграции

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4-2
SE 2223/3223 Scan Engine Integration Guide
Additional Post Shock Beam
Deviation (2000G Shock) Horizontal: ±3.0
o
max
Vertical: ±6.0
o
max
Scan Frequency: Horizontal 295 Hz ± 5 Hz
Scan Frequency: Vertical 10 Hz ± 1 Hz
Frame Rate 20 frames/sec. 10 Hz ±1 Hz (vertical)
Optical Resolution Can decode a 6.6 mil (minimum X-dimension) symbol
(PDF417);
Y-dimension must be 3X .
Angular Orientation Tolerances
Pitch ± 30
o
(“front to back”)
Yaw ± 15
o
from plane parallel to symbol (“side-to-side”)
Rotation ± 4
o
(for scanning benchmark label, assuming 3:1 codeword
aspect ratio). Note that this is dependent on the decoder.
Specular Dead Zone 1.5” from front of chassis
Print Contrast Minimum 35% absolute dark/light reflectance differential (PDF);
35% absolute dark/light reflectance differential (1-D)
Humidity 5% to 95% non-condensing
Shock 2000 G. max, 0.85 ms sine
Vibration Unpowered engine withstands a random vibration along each
of the X, Y and Z axes for a period of one hour per axis,
defined as follows:
20 to 80 Hz Ramp up to 0.04 G^2/Hz at the rate of 3dB/
octave.
80 to 350 Hz 0.04 G^2/Hz
350 to 2000 Hz Ramp down at the rate of 3 dB/octave.
SCDS Memory 256Kb flash, 64Kb RAM
Ambient Light Immunity
Sunlight 8000 ft. candles (86,112 lux) with correct enclosure
Incandescent 450 ft. candles (4845 lux)
Fluorescent 450 ft. candles (4845 lux)
Sodium Vapor 450 ft. candles (4845 lux)
Mercury 450 ft. candles (4845 lux)
Operating Temperature -22° to 140° F; (-30° to 60° C) @ 100% duty cycle
Table 4-1. SE 2223VHD Technical Specifications (Continued)
Item Description