Recommended Codewheel and Codestrip Characteristics
W
b
W
w
L
w
R
OP
L
w
W
W
b
w
Parameter
Symbol
Min.
Max.
Unit
Notes
Window/bar Ratio
Window/bar Length
Ww/Wb
0.9
1.1
LW
Rf
1.80 (0.071)
2.31 (0.091)
mm (inches)
Spectular Reflectance
60
—
85
10
Reflective area. See note 1.
Non-reflective area
Line Density
LPmm (LPI)
LPmm (LPI)
LPmm (LPI)
LPmm (LPI)
1.42 (36)
2.95 (75)
5.91 (150)
7.09 (180)
1.42 (36)
2.95 (75)
5.91 (150)
7.09 (180)
lines/mm (inch) AEDR-8310-V
lines/mm (inch) AEDR-8310-K, AEDR-8300-K
lines/mm (inch) AEDR-8300-P
lines/mm (inch) AEDR-8300-Q
Optical Radius
Rop
11
11
mm
Recommended value
Notes:
1. Measurements from spectrometer. Contact factory for more information.
2. Contact factory for more information on compatibility of codewheel/strip.
LED Current Limiting Resistor
A resistor to limit current to the
LED is required. The recom-
mended value is 220Ω (±10 %)
and the resistor should be placed
in series between the 5V supply
and pin 3 of the device (Vled).
This will result in an LED cur-
rent of approximately 15 mA.
Moisture Sensitive Level
The AEDR-8300 series is speci-
fied to moisture sensitive level
(MSL) 3.
6
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