120 Micro-displacement Sensor Z4D-B01
Micro-displacement Sensor
Z4D-B01
■Dimensions
Note: All units are in millimeters unless otherwise indicated.
■Features
•Easier control enabled by built-in processor circuit.
•Resolution: ±10 µm.
•Operating area: 6.5±1mm.
•Adapts well to changes in reflection factor using division processing.
■Ordering Information
■Absolute Maximum Ratings (Ta = 25°C)
■Electrical and Optical Characteristics (Ta = –10°C to 65°C)
Note: 1. Load impedance (between OUT-GND) is set at more than 10 kΩ.
2. The time for output voltage to rise from 10% to 90% of the full output range.
3. Apply the voltage ranging from 3.5 V to VCC on the LED pulse light emission control signal terminal. In this case, a maximum of 2 mA
(TYP 1 mA) current is sunk.
Recommended Mating Connectors:
Tyco Electronics AMP
175778-4 (crimp connector)
173977-4 (press-fit connector)
Two, 3.5 dia.
Mounting reference plane
Emitter axis
2-175489-4
(Tyco Electronics AMP)
Two, 1 dia.
Center of
Detector
Mounting Hole Dimensions
Two, 2.3 dia.
+0.1
-0
Two, 2 +0.05
−0.15 dia.
Description Model
Micro-displacement sensor Z4D-B01
Dimensions Tolerance
3 mm max.
±
0.3
3 < mm
≤
6
±
0.375
6 < mm
≤
10
±
0.45
10 < mm
≤
18
±
0.55
18 < mm
≤
30
±
0.65
30 < mm
≤
50
±
0.8
Pin no. Remarks
1 PLS
2 V
CC
3 OUT
4 GND
Unless otherwise specified, the
tolerances are as shown below.
Item Symbol Value Unit Remarks
Supply voltage VCC 7VDC---
LED pulse light emission control signal PLS 7 VDC LED
LED light emission pulse tFP 100 ms ---
Operating temperature Topr –10 to 65 °C No icing or condensation
Storage temperature Tstg –25 to 80 °C---
Item Symbol Rated value Remarks
Supply voltage VCC 5 VDC±10% Ripple (p-p): 10 mV p-p max.
Output voltage OUT 0.2 VDC to (VCC–0.3) V (see note 1)
Response time tr 100 µs max. (see note 2)
LED pulse light emission
control signal
PLS 3.5 VDC to VCC (see note 3)
Micro-displacement Sensor Z4D-B01 121
■Characteristics (Ta = –10°C to 65°C)
Object: N8.5 Munsell paper with a reflection factor of 70%.
Note: 1. Distance from the mounting reference plane.
2. “Sensitivity” is defined as “inclination of divided output line” and the variation value between individual products of fluctuating divided out-
put voltage per unit length.
Where V0: Output voltage when d = 5.5 mm
V2: Output voltage when d = 7.5 mm
d: Distance from reference mounting plane to an object.
3. Value of electrical noise range of divided output signal converted to distance under the following conditions.
(1) Ripple noise of power supply: 10 mV p-p max.
(2) Sampling time of the sample and hold circuit: 50 µsec
(3) Distance to object: Distance from the reference mounting plane is 6.5 mm±1 mm.
** When the testing conditions are deviated from the above conditions, resolution changes. For details, please consult OMRON
sales representative.
4. The peak-to-peak value of the output error from the ideal line.
Calculation, based on a linearity of 2% F.S., is as follows:
(1) The conversion value based on the full scale distance: 2 mm × 0.02 = 0.04 mm (40 µm)
(2) The conversion value based on the output voltage: 1.4 mV/µm × 40 µm = 56 mV
(When the product sensitivity variation is 1.4 mV/µm.)
■Circuit Diagram
Item Value
Operating area (see note 1) 6.5 ±1 mm
Sensitivity variation (see note 2) –1.4 mV/µm±10% max.
Resolution (see note 3) ±10 µm max. (Ta = 25°C)
Linearity (see note 4) 2% F.S. (full scale) max.
Sensitivity = (mV/mm)
V2 − V0
2000
Sensor Sample and hold circuit Oscilloscope
Output voltage
Output range F.S.
B: Straight line that
connects V0 with V1.
D: When sensitivity of a sensor is 1.4 mV/mm,
linearity must be equal or less than 56 mV.
Linearity
C: Virtual line parallel to B.
A: Actual output curve.
Operating area
Detectable distance
Object
Micro-displacement Sensor
A/D
port
D port
Output
Timer
Microprocessor
(Reference)
LED control
signal
I/V Ampli-
fier
122 Micro-displacement Sensor Z4D-B01
■Engineering Data
■Typical Application
Paper thickness detection for printers
Operating Distance
Characteristics (Typical)
Dependency of Object
on Reflection Factor
(Typical)
Temperature
Characteristics (Typical)
Pulsed Forward
Current Rated Curve
Operating distance (mm) Reflection factor of object (%) Ambient temperature (°C) Dut
y
ratio
(
%
)
Pulse width (t
FP
)
Output voltage (V)
Sensitivity change ratio (%)
Output change ratio (%)
VCC=5 V
Distance: 9.5 mm Duty ratio (%)=
Recommended
operating area
Z4D-B01
Z4D-B01
Movable roller
Sensing motion
Micro-displacement Sensor Z4D-B01 123
MEMO
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Cat. No. JB301-E3-01 Printed in USA
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3/05 Specifications subject to change without notice
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ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
