Symbol MiniScan MS-120X, Руководство по интеграции

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6-3
MS-2204VHD Specifications
Technical Specifications
Table 6-2 provides the MS-2204VHD technical specifications.
Table 6-2. MS-2204VHD Technical Specifications @ 23°C
Item Description
Power Requirements
Input Voltage
Scanning Current
Standby Current
V
cc
Noise Level
5.0 VDC ± 10%
250 ± 30 mA typical
25 ± 5 mA typical
200 mV peak-to-peak max.
Laser Power 0.7 mW ± 0.1 mW,
λ
= 650 nm nominal
Scan Pattern Smart raster, slab raster pattern
Start Time 0.065 sec. to 75% of steady state horizontal amplitude
Scan Angle Horizontal: 34
o
±3
o
Vertical: 12.5
o
±3
o
Beam Deviation
(offset from the nominal) Horizontal: ±3.0
o
Vertical: ±3.0
o
Horizontal tilt: ± 2
o
Additional Post Shock Beam
Deviation (2000G Shock) Horizontal: ±3.0
o
max
Vertical: ±6.0
o
max
Scan Frequency: Horizontal 320 Hz ± 5 Hz
Scan Frequency: Vertical 282 Hz ± 5 Hz
Scan Rate 640 scans/sec.
Frame Rate 24 frames/sec. 12 Hz ±1 Hz (vertical)
Print Contrast Minimum 35% absolute dark/light reflectance differential
Skew Tolerance ± 15
o
from plane parallel to symbol
(see Figure 6-2 on page 6-5 )
Pitch Angle ± 30
o
from normal (see Figure 6-2 on page 6-5 )
Roll ± 4
o
(for scanning benchmark label, assuming 3:1 codeword
aspect ratio) (see Figure 6-2 on page 6-5 )
Operating Temperature -4° to 122°F (-20° to 50°C)