Barcode Reader (Ccd System); Name Of Each Part; Specifications - Hitachi 902 Service Manual

15.5

Barcode Reader (CCD system)

15.5.1 Specifications

Type
Reading direction
Light source and light receiving element
Reading distance
Reading bar width
Maximum readable label width
PCS value
Scan frequency
Compatible code
Number of reading digits
Timing input
OK/NG output Output form
Rated load
Leakage current at
OFF
Residual voltage at ON 0.5 V or less
Serial interface Standard
Synchronizing method
Transmission code
Baudrate
Data length
Parity check
Stop bit length
Environmental Operating illuminance
conditions
Operating temperature
Operating humidity
Operating atmosphere
Vibration resistance
Insulation resistance
Dielectric strength
Ratings Power voltage
Current dissipation
Weight

Name of Each Part

STABILITY LED
• Indicates stability of reading.
Cable (2 m long)
BL-180
Front type
LED and CCD image sensors
33 mm ± 10 mm (for narrow width 0.19 mm or more)
0.125 to 1.0 mm
80 mm (for narrow width 0.19 mm or more)
0.45 or more (reflectance of white 75% or more)
500 scans/sec
CODE 39, ITF, INDUSTRIAL 2 OF 5, COOP 2 OF 5, NW-7,
CODE 128, JAN/EAN/UPC (A·E)
32 digits max.
No-voltage input (with/without contact) * TTL input allowed
NPN open collector
24 V DC, 100 mA
0.1 mA or less
Conformity with EIA RS-232C
Asynchronous
ASCII
600 to 38,400 bits/s
7 or 8 bits
No, even or odd
1 or 2 bits
Daylight or incandescent lamp: 10,000 lx,
Fluorescent lamp: 3,000 lx
0 to 40°C
35 to 85% RH (without condensation)
Excessive dust and corrosive gas unallowable
10 to 55 Hz, double amplitude 1.5 mm, in each of X, Y and Z
directions for 2 hours
100 MΩ or more between power terminal and case (when
measured with 500 V DC megger)
1,000 V AC for 1 minute between power terminal and case
5 V DC ± 5%
300 mA
Approx. 165 g
OK/NG LED
• For OK output
...........
• For NG output
...........
Lit in green
Lit in red
15 - 14
Light projection/reception block
LED for light source
• Lights in reading status.