Banner Q3XTBLD-Q8 Quick Start Manual - page 6
Q3XTBLD50 Models (A 6% black card sensing cut-off distance will be 95% of a 90% reflective white card.)
DISTANCE (mm)
EXCESS
GAIN
1
1
10
10
100
100
1000
Figure 7. Excess Gain for Standard
Sensitivity
DISTANCE (mm)
0
10
20
30
40
50
BEA
M
P
ATTERN (mm)
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
Figure 8. Beam Pattern
Target
Background
X
Y
X = Diffuse Sensing Range
Y = Recommended
Background
Distance
Model No.
X
Y
LD50
50 mm
60 mm
LD100
100 mm 120 mm
Figure 9. Q3XBLD Contrast Detection versus
Background Suppression
NOTE: For high sensitivity, the excess gain increases by a factor of 1.5. For low sensitivity, the
excess gain decreases by a factor of 0.75
Q3XTBLD100 Models (A 6% black card sensing cut-off distance will be 95% of a 90% reflective white card.)
DISTANCE (mm)
EXCESS
GAIN
1
1
10
10
100
1000
100
1000
Figure 10. Excess Gain for Standard
Sensitivity
DISTANCE (mm)
0
20
40
60
80
100
BEA
M
P
ATTERN (mm)
0
0.5
0.5
1.0
1.0
1.5
1.5
2.0
2.0
2.5
2.5
Figure 11. Beam Pattern
NOTE: For high
sensitivity, the
excess gain
increases by a
factor of 1.5. For
low sensitivity, the
excess gain
decreases by a
factor of 0.75
Specifications
Sensing Beam
Visible red Class 2 laser, 655 nm
Supply Voltage (Vcc)
10 to 30 V dc
Power and Current, exclusive of load
Supply Power:
Current consumption:
Supply Protection Circuitry
Protected against reverse polarity and transient over-voltages
Repeatability
60 µs
Delay at Power Up
1 s
Sensing Range
Model
Contrast
Sensing
Range
Background
Suppression
Distance
Q3XTBLD-Q8
0 to 300 mm
(11.81 in)
Not Applicable
Q3XTBLD50-Q8
0 to 50 mm
(1.97 in)
60 mm (2.36 in)
Q3XTBLD100-
Q8
0 to 100 mm
(3.94 in)
120 mm (4.72
in)
Maximum Torque
Side mounting: 1 N·m (9 in·lbs)
Nose mounting: 10 N·m (88 in·lbs)
Connector
5-pin M12 Integral Connector
Construction
Housing: Nickel-plated zinc die-cast
Side cover: Nickel-plated aluminum
Lens cover: Scratch-resistant PMMA acrylic
Lightpipes and display window: Polysulfone
Adjustment buttons: 316 stainless steel
Q3X Laser Contrast Sensor
6
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