Omron Z4M-W10 User manual

Laser Displacement Sensor Z4M
Compact Displacement Sensor with
1.5-micron Resolution Offers
Long-distance Measurement for
In-line Production Inspection
High resolution with 3 user-selectable
response speed levels, for varying
operational needs
Non-spherical, high precision glass lens
assures minimal temperature drift
Up to 140 mm sensing range
Automatic sensitivity selection minimizes
sensing errors caused by color or
surface variations
Compact sensor head incorporates
easy-to-use range indicators
Amplifier can be DIN-rail mounted
Connects to the Z49-SF2 Laser Safety
Kit to conform to FDA standards
Ordering Information
SENSORS
Sensing distance Resolution (response speed selected) Part number
40±10 mm (1.57 ±.40in) 1.5 µm(60ms)
10 µm(2ms)
40 µm (0.15 ms)
Z4M-W40
100±40 mm (3.93 ±1.6in) 8µm (500 ms)
30 µm(20ms)
150 µm(0.7ms)
Z4M-W100
ACCESSORIES
Description Part number
Extension Cable 3 m (9.84 ft) Z49-C1 3M
8 m (26.25 ft) Z49-C1 8M
Laser Safety Kit —Z49-SF2

Application Examples
Industry: Assembly Machinery
Application:
Presence/absence of thin cap liner
K3TS Panel Meter
Synchronous
signal
Sensor ES3-X
Z4M-W40
Sensor
4to20mA
Cross
section
of cap
Good Failed
(L1=80±0.5 mm)
L1
(L2=82±0.2 mm)
L2
Z4M-W40 Amplifier
Sensor E32-T24
Decision output
Sensor
Z4M-W100 Amplifier
Z4M-W100
Industry: Electronics
Application:
IC chip orientation
Specifications
RATINGS
Part Number Z4M-W40 Z4M-W100
Measurement range ±10 mm ±40 mm
Measurement point 40 mm 100 mm
Offset adjustment range ±10 mm ±40 mm
Span adjustment range 0.4 V/mm ±30% 0.1 V/mm ±30%
Light source Infrared semiconductor laser with a wavelength of 780 nm and an output of 3 mW max.,
class 3B (IEC), class IIIb (FDA),
Spot diameter 1 mm dia. max. (at measurement point) 1 x 2 mm max. (at measurement point)
S
o
d
a
e
e
The spot diameter is defined by 1/e2(13.5%) of the Sensor’s laser beam center. There is
light leakage outside the defined spot, and the environment of the object may influence
sensing accuracy. Reduce the influence of the environment as much as possible.
Resolution at selected response speed 1.5 µm (60 ms), 10 µm(2ms),40µm
(0.15 ms) 8µm (500 ms), 30 µm (20 ms), 150 µm (0.7 ms)
The resolution is the peak-to-peak displacement conversion value of the analog output
(Condition: white alumina ceramic at the measurement point).
Linearity (see Note 2) 1% FS (see Note 1) 1.5% FS (see Note 1)
Response time (see Note 3) 0.15 ms/2 ms/60 ms switch-selectable 0.7 ms/20 ms/500 ms switch-selectable
Sensitivity selector WHITE/BLACK/AUTO switch-selectable
Temperature characteristics
(at measurement point) Sensor: 0.03% FS/°C Amplifier: 0.03% FS/°CSensor: 0.02% FS/°C Amplifier: 0.03% FS/°C
Range indicators
Note: The range indicators, located on
Sensor and Amplifier, are also
used as laser warning lights
(green).
Outside range, abnormal volume of light: NEAR indicator and FAR indicator blink.
Near: NEAR indicator is lit.
Measurement point: NEAR indicator and FAR indicator are lit.
Far: FAR indicator is lit.
Stability indicator (amplifier) Stable operating range: Green
Possible operating range: Not lit
Insufficient or excessive light: Red
Linear output -4 to 4 V/30 to 50 mm
Output impedance: 100 Ω-4to4V/60to140mm Output impedance: 100 Ω
It is possible to adjust the linear output of the Sensor to between -5 and 5 V with span
adjustment.
Enable output NPN open collector, 50 mA max. at 40 VDC, residual voltage: 1 V max.
Laser emission ON input Short-circuited with the 0-V terminal (residual voltage: 2 V max.): Laser emission is
turned off.
Open (current leakage: 0.1 mA max.): Laser emission is turned on.
Linear output, indicators, and enable output holding function incorporated.
Z4M Z4M

Note: 1. The FS (Full Scale) value (listed in the preceding table) is calculated as follows:
Example: 1% FS on the Z4M-W40
Distance full scale conversion: 20 mm x 0.01 = 0.2 mm
Voltage full scale conversion: 8 V x 0.01 = 80 mV
Part Number Z4M-W40 Z4M-W100
Distance full scale 20 mm 80 mm
Voltage full scale (The value changes
according to the span to be adjusted.) 8V±30% 8V±30%
2. The linearity of the Sensor is checked with a
white alumina ceramic object. The peak-to-peak
value deviated from the displacement linear output
voltage is within the specified range as shown in
the graph. The deviation value may vary with the
object. (Refer to the preceding table.)
1% max.
30 50
Output voltage (V)
4
--4
Distance (mm)
3. The response speed of the Sensor is the
time required for the analog displacement
output to increase from 10% to 90% of the
full value (at the rise time) or decrease from
90% to 10% of the full value (at the fall time).
To decrease the error ratio to within 1% at
the rise time, the time required will be two or
three times as long as the specified value.
(Refer to the preceding table.)
Displacement
Displacement
output
90%
10% 90% 10%
Response time Response time
CHARACTERISTICS
Power supply voltage 12 to 24 VDC ±10%, ripple (p-p): 10% max.
Current consumption 120 mA max.
Dielectric strength Sensor: 1,000 VAC, 50/60 Hz for 1 min.
Amplifier: 300 VAC, 50/60 Hz for 1 min.
Vibration resistance Destruction: 10 to 55 Hz (1.5-mm double amplitude) for 32 minutes each in X, Y, and Z
directions
Shock resistance Destruction: 300 m/s2, 30G for 3 times each in ±X, Y, and Z directions
Ambient temperature Operating: 0°to 50°C(32°to 122°F) with no icing
Ambient humidity Operating: 35% to 85% (with no condensation)
Ambient illumination Operating: 3,000 lux max. (incandescent lamp)
Weight Sensor: Approx. 180 g (6.35 oz.) with 2-m cable
Amplifier: Approx. 200 g (7.05 oz.) without cable
Material Sensor: Aluminum diecast
Amplifier: ABS
Enclosure rating IP40
Accessories supplied Flat-blade screwdriver for Sensor adjustment, FDA Caution Label
Engineering Data
LINEAR OUTPUT vs.SENSING DISTANCE
Z4M-W40 Z4M-W100
Linear output (V)
Measurement range
(20 mm)
Sensing distance
Linear output (V)
Measurement range
(80 mm)
Sensing distance
Note: The linear output of the Sensor is locked between 6 and 8 V when the object is outside the measurement range or when the en-
able output is OFF. It is also locked between 6 and 8 V for 3 to 10 s after the Sensor is turned on, at which time there is no laser
emission.
Z4M Z4M

ANGLE CHARACTERISTICS (TYPICAL EXAMPLE)
The angle characteristics were obtained by detecting an object with different angles of inclination at the measurement point and plotting
the linear output error resulting from each operation.
Z4M-W40
Inclined Object Obliquely Positioned Object
Inclination angle (°)
Error (% FS)
White ceramic
Black paper
Rolled steel
plate
Inclination angle+
Inclination angle - (See
note.)
Inclination angle (°)
Error (% FS)
White ceramic
Black paper
Rolled steel
plate
Note: Rolled steel cannot be meas-
ured due to excessive light
reflection.
Z4M-W100
Inclined Object Obliquely Positioned Object
White ceramic
Black paper
Rolled steel
plate
Inclination angle+
Inclination angle -
Inclination angle (°)
Error (% FS)
White ceramic
Black paper
Rolled steel
plate
Inclination angle+
Inclination angle
-
Inclination angle (°)
Error (% FS)
(See note.)
Note: Rolled steel cannot be meas-
ured due to excessive light
reflection.
SPOT DIAMETER (TYPICAL EXAMPLE)
L
l1
l2
Cross section of the beam.
Z4M-W40
Distance L 30 mm
(1.18 in) 40 mm (1.57 in) 50 mm (1.97 in)

11.2 mm
(0.047 in) 0.6 mm (0.024 in) 0.2 mm (0.008 in)

20.6 mm
(0.024 in) 0.3 mm (0.012 in) 0.1 mm (0.004 in)
Z4M-W100
Distance L 60 mm
(2.36 in) 100 mm (3.94 in) 140 mm (5.51 in)

12mm
(0.079 in) 1.4 mm (0.055 in) 0.7 mm (0.028 in)

21mm
(0.039 in) 0.7 mm (0.028 in) 0.4 mm (0.016 in)
Spot diameter is defined by 1/e2(13.5%) of the sensor’s laser
beam center.
LINEARITY CHARACTERISTICS vs. OBJECTS (TYPICAL EXAMPLE)
Linearity characteristic curves are obtained by detecting an object at different positions within the measurement range and plotting the
linear output error resulting from each operation.
Z4M Z4M

Z4M-W40
Inclined Object Inclined Object Inclined Object
Inclination angle 0 °
Error (% FS)
Measurement point
(distance in mm)
White ceramic
Black paper
Rolled steel
plate
30 35 40 45 50
Inclination angle -10°
Error (% FS)
Measurement point
(distance in mm)
White ceramic
Black paper
Rolled steel
plate
30 35 40 45 50
Error (% FS)
Measurement point
(distance in mm)
Inclination angle +10°
White ceramic
Black paper
Rolled steel
plate
30 35 40 45 50
Obliquely Positioned Object Obliquely Positioned Object
Measurement point
(distance in mm)
Error (% FS)
Inclination angle -10°
White ceramic
Black paper
No rolled steel plate can be
measured due to excessive
light reflection.
Measurement point
(distance in mm)
Error (% FS)
White ceramic
Black paper
Rolled steel
plate
Inclination angle +10°
Z4M-W100
Inclined Object Inclined Object Inclined Object
Inclination angle 0°
Error (% FS)
Measurement point
(distance in mm)
White ceramic
Black paper
Rolled steel
plate
White ceramic
Black paper
Rolled steel
plate
Inclination angle -10°
Error (% FS)
Measurement point
(distance in mm)
White ceramic
Black paper
Rolled steel
plate
Inclination angle +10°
Error (% FS)
Measurement point
(distance in mm)
Obliquely Positioned Object Obliquely Positioned Object
Note: Rolled steel cannot be meas-
ured due to excessive light
reflection.
White ceramic
Black paper
Rolled steel
plate
Inclination angle -10°
Measurement point
(distance in mm)
Error (% FS)
(See note.)
White ceramic
Black paper
Rolled steel
plate
Inclination angle +10°
Measurement point
(distance in mm)
Error (% FS)
Z4M Z4M

Nomenclature
SENSOR
Range Indicators
FAR indicatorNEAR indicator
Warning for laser (An English warning
sticker is provided with the model. At-
tach the sticker here.)
Emitter (laser
beam emitter)
Receiver
Connector
AMPLIFIER
Stability indicator
Offset adjustor
Span adjustor
Sensitivity selector
Response speed
selector
Connector terminals
NEAR indicator
FAR indicator
Z4M Z4M

Operation
FUNCTIONS
Classification Functions
Range indicators
(NEAR and FAR), also
used as laser warning
lights (Sensor and
Amplifier)
The FAR green indicator and NEAR green indicator will be lit when the object is within the measurement
range of the Sensor.
When the object is outside the measurement range or in the case of insufficient or excessive light, both the
NEAR and FAR indicators will blink.
If the object is near the Sensor but within the measurement range, only the NEAR indicator will blink.
Mount the Sensor so that both the NEAR indicator and FAR indicator will be lit when the object is placed in
front of the Sensor.
To alert the user that the laser beam is turned ON when the laser OFF input is turned OFF, the NEAR
indicator and FAR indicators act as laser warning lights. When the Sensor is turned ON, either the NEAR
indicator or the FAR indicator or both of the indicators will either be lit or will blink. When the laser OFF input
is ON, the the indicator(s) will not blink or be lit.
blinking
blinking
Approximately 28 mm
Lit
Measurement point
40mm Approximately 52 mm
NEAR indicator
FAR indicator
NEAR indicator
FAR indicator
Approximately 55 mm
Lit
Lit
Lit blinking
Approximately 155 mm
Z4M-W40
blinking
-
Z4M-W100
Stability indicator
(Amplifier) The indicator will be lit in green when the object is within the measurement range and the receiver receives light intense enough to be reflected from the object. When the indicator is green, the Sensor’s measuring
operation is stable.
If the indicator is not lit in green while the sensitivity selector is set to WHITE; set it to BLACK or AUTO for a
more stable measuring operation. Normal output can be obtained even if the indicator is not lit in green.
The indicator will be lit in red when there is no object in front of the Sensor or if the light reflected from the
object is either insufficient or too intense. If the indicator is red, check if the sensitivity selector is set correctly
(according to the reflection ratio of the object).
Sensitivity selector
(Amplifier) Set the sensitivity selector according to the reflection ratio of the object.
If the color of the object is white, set it to WHITE.
If the color of the object is black, set it to BLACK.
If the color of the object is not white or black, set it to AUTO.
When the sensitivity selector is set to AUTO, the enable output may be ON even if the object is outside the
measurement range, in which case set the sensitivity selector to WHITE so that the number of errors that may
occur can be minimized.
Response speed
selector (Amplifier) Select the response speed by taking the required response speed and resolution into consideration.
Response speed Fast: Resolution Low
Response speed Slow: Resolution High
Offset adjuster
(Amplifier) Offset adjustment is possible at any position within the measurement range since the output will be 0 V.
The output voltage must be within ±5 V, or the linearity of the output cannot be guaranteed.
The output is adjusted before shipping, so that it will be approximately 0 V when the object is in the middle of
the measurement range.
Sensing
distance
(mm)
Sensing
distance
(mm)
Linear output (V) Linear output (V)
Z4M-W40 Z4M-W100
Z4M Z4M

Classification Functions
Span adjuster
(Amplifier) The output is adjusted to approximately 8 V FS before shipping.
The span adjustment changes the ratio of the output current (displacement) to the distance. By using the
span adjustment, the actual current-distance relationship can be changed to either a higher output current at
the same distance or to a lower output current. When there are changes in material or color in the target
object, and a 1:1 ratio is not obtained, span adjustment is used to modify the current output level.
With the span adjuster, it is possible to adjust the full scale of the voltage (±30%) that is output when the
object is within the measurement range.
For the step-by step Operating/Adjusting procedure refer to
-- Span Adjustment (in a subsequent section).
+30%
-30% +30%
-30%
Sensing
distance
(mm)
Sensing
distance
(mm)
Linear output (V) Linear output (V)
Z4M-W40 Z4M-W100
Enable output
(Amplifier) The enable output is ON when the Sensor is performing a displacement measuring operation.
The enable output is OFF when there is no object in front of the Sensor or if the light reflected from the object
is insufficient or too intense.
An open collector output of 50 mA at 40 VDC maximum can be obtained.
In the case of measuring an metal or glossy object, the enable output may be ON even if the object is outside
the measurement range.
Linear output
(Amplifier) An analog voltage signal according to the measuring distance will be output from the output line (black shield wire).
Voltage output: -4 to 4 V/30 to 50 mm (Z4M-W40), -4 to 4 V/60 to 140 mm (Z4M-W100)
Output impedance: 100 Ω(typical)
The linear output will be locked between 6 and 8 V when the enable output is OFF.
Laser OFF input
(Amplifier) The laser OFF input controls laser emission.
Laser emission is turned on when there is no laser OFF input (with a current leakage of 0.1 mA max.) and it is
turned off when the laser OFF input is short-circuited to the 0-V terminal (with a residual voltage of 2 V max.).
When laser emission is turned Off, the linear output, indicators, and the enable output of the Sensor are on
hold.
There will be a drift of 0.1% FS/s when the analog output of the Sensor is on hold.
The response time required to turn laser emission ON or OFF is 3 ms max.
Laser emission
delaying function
(Sensor and Amplifier)
When the Sensor is turned ON, the range indicators (green) will blink for 3 to 10 s, alerting the user to laser
emission; during this time the linear output is locked between 6 and 8 V. After this time, the laser beam will be
turned ON.
OPERATIONAL EXAMPLES: Z4M SENSOR AND K3TS INTELLIGENT DIGITAL PANEL METER
Measurement distance (set to 40 mm)
Timing input
Deflection value = maximum value - minimum value
K3TS
Note: Use a pushbutton switch to turn ON the timing
input while measuring eccentricity.
Measuring Eccentricity
Using the scaling function, it is possible to convert the
Sensor’s output (±4 V) into the actual measured dimension
of the object for display.
By selecting the appropriate measurement mode that corre-
sponds to the application, necessary data can be easily ob-
tained. In the following application, the peak-to-peak hold
mode is used to measure the eccentricity of an object by
measuring the difference between the maximum and
minimum values while the timing input is ON.
Z4M Z4M

K3TS PANEL METER SETTINGS
Level 3
 One linear Sensor only. IN A is used.
 No previous average comparison.
 Peak-to-peak hold.
Level 2
 ±9.999 V is selected as the input mode.
 The number of measuring operations used to obtain the average.
 Timing delay setting. Set to 0.
Level 1
 to  Select HH, H, L, or LL for determining the eccentricity of an object when the comparison output is used.
 Converts the -4 to 4V output of the Z4M into the actual dimension.
If the Z4M-W40 is used, the linear output will increase by 0.4 V with a displacement value of
1 mm. The output will be 0 V when the object is in the center of the measurement range
(40 mm between the object and the Sensor) and the output will be 0.4 V when the distance between the
object and the Sensor is 41 mm. The output value is used for scaling.
X2:  When the linear output is 0V.
Y2:  A distance of 40 mm between the object and the Sensor is regarded as the standard distance (0 mm).
X1:  The linear output is 0.4 V (400 mV).
Y1:  When the sensing distance is 41 mm, the difference between the sensing distance and the standard
distance is 1 mm.
 Set the decimal points of Y2 and Y1.
 Prohibits comparison set point change in the RUN mode. After all settings have been completed, set to 
ADJUSTING/OPERATING
Axis and Distance Adjustment
1. The Z4M uses an infrared laser beam. The spot of the beam, however,
can be confirmed in the dark by locating blue paper at the measurement
point so that the beam will be reflected by the blue paper. The Sensor
incorporates a laser beam delaying circuit, so the laser will start emitting
3 to 10 s after the Sensor is turned on.
2. Ensure that the center of the object displacement will be in the center of
the Sensor’s measurement range.
Both the FAR and NEAR
indicators are lit when the
sensing object is at the
measurement point.
Z4M Z4M

Flat-blade
screwdriver
Offset adjustor
Span adjustor
Connect to an Intelligent
Panel Meter such as a
K3TX or K3TS.
Offset Adjustment
Offset adjustment is made using a white ceramic object before shipping,
so the user may not need to adjust the output.
To set the Sensor output to 0 V at the standard distance, connect an
Intelligent Panel Meter (such as K3TX or K3TS) to the output terminal of
the Sensor. Place a standard object in front of the Sensor and adjust the
output with the offset adjuster.
Span Adjustment
Span adjustment is made using a white ceramic object before shipping, so
the user may not need to adjust the span.
To calibrate the displacement output, adjust the span as follows.
1. Locate the object at the standard distance and adjust the offset ad-
justment.
2. Move the object for a specified distance and adjust the span adjuster
so that the voltage will change properly according to the displace-
ment.
Follow these steps to convert ±4Vto±5V.
1. Connect an Intelligent Panel Meter to the Sensor and move the object
so that the output will be 4 V.
2. Use the span adjuster to adjust the voltage to 5 V.
Dimensions
Unit: mm (inch)
SENSOR: Z4M-S40 (FOR Z4M-W40), Z4M-S100 (FOR Z4M-W100)
Mounting Holes
Lens
(7 dia.)
Front face
Two 4.5-dia. mounting
holes
Measurement point
Vinyl-insulated round cable,
6.6 dia, standard length: 2 m
Connector
Emitting
axis
17 10.5
1.5
32
43
39
6.75
3.5
6.75
44
11
3.5
6.75 37 30
14.7 dia.
*23°for Z4M-S40 and 11°for Z4M-S100.
**40mm (1.6in) for Z4M-S40 and 100mm (3.9in) for Z4M-S100.
6.75
**
Two M4 Taps 37±0.2
39±0.2
44
(1.73)
(1.54)
(1.46)
17.6
(0.69) 46 (1.81)
26
*
Z4M Z4M

AMPLIFIER: Z4M-W40C(FOR Z4M-W40), Z4M-W100C (FOR Z4M-W100)
89±0.2
(3.50)
21±0.2
(0.83)
Two mounting holes Connector
terminals
5-conductor, vinyl-insulated, shielded
round cable, 5 dia. (18/0.12), standard
length: 2 m
Enlarged view of mounting hole
25
Two
M4 Taps
25
30
(1.18)
80
98
(3.86) 89
15 26
4.8 42.7
5.2
12.5
3.3 6
21
35.2
55
(2.17) 6
0.7
4.4
5.5 30°
Mounting Holes
(1.39)
(3.15)
(3.50)
ACCESSORIES (SOLD SEPARATELY)
Oil resistive, vinyl-insulated, shielded cable, external diameter: 6.6
11.9 dia.
14 dia.
14.7 dia.
9.5 dia. 43 43
3 m (9.84ft) or 8 m (26.25 ft)
Extension Cable, Z49-C1 Laser Safety Kit, Z49-SF2
Z4M Z4M

Installation
ELECTRICAL CONNECTIONS
Brown
Black
Shield
Orange
Blue
Pink
Linear output -4 to 4 VDC
Linear GND
Enable output
Laser OFF input
100Ω
10Ω
2.2Ω
2.2Ω
12 to 24 VDC
Load driving power supply
(40 VDC max.)
Load
Internal circuit
Output Circuit Diagram
Note: 1. Do not mount the Z4M to a DIN rail for use in a place with excessive vibration.
2. Use connectors to connect the Sensor to the amplifier. Do not turn or twist the cable, or cable disconnection may result.
BrownPower supply terminal (12 to 24 VDC)
Blue 0 V (common) (0 V)
Orange
Enable output (50 mA max. at 40 VDC)
Pink
Black Linear output (-4 to 4 V)
ShieldLinear GND (Analog, 0 V)
(Refer to table.)
Laser OFF input (The laser emission is
turned off when the input is 2 V or less or
short-circuited to the 0-V terminal.)
Connections
Power supply terminal Connect a power supply with a capacity of 120 mA minimum at 12 to 24 VDC. If high resolution is
required, connect an independent regulated power supply to the Sensor.
0V Used as the common terminal for the enabled output and laser OFF input.
Enable output Turned on with open collector output when the Sensor can be operated (when the stability indicator is
not red).
Laser OFF input The laser emission of the Sensor will be turned off by short-circuiting the laser OFF input line with the
0-V terminal (with a residual voltage of 2 V max.), at which time the linear output of the Sensor will be on
hold.
Linear output -4 to 4 V will be output according to the displacement value. Wire the Sensor correctly, or the sensor
may be damaged. The linear output line must not be in contact with any other line.
Linear GND Used as a ground (0V) terminal for the linear output of the Sensor. Connect this line to the input device.
Note: 1. The 0-V (blue) and linear GND (shielded) line are internally connected with a resistor. Use the 0-V (blue) line for the power sup-
ply and use the shield wire (linear GND) and linear output (black) line for linear output.
2. Wire the sensor correctly, or the sensor may be damaged. Refer to the wiring precautions provided within the
Precautions
sec-
tion.
Black
(shielded)
Blue
Brown
12 to 24
VDC
Shielded wire
K3TX
±4V
Connection with K3TX
Intelligent Digital Panel Meter
1. Choose an appropriate K3TX model according to the application.
2. Refer to the K3TX data sheet for operational instructions in detail.
3. If a K3TX model is used with an AC power supply, connect an
independent DC power supply to the Z4M Laser Displacement
Sensor.
Synchro-
nization
input Sensor output
Black
(shielded)
Blue
Brown
+12V0V K3TS
12 to 24
VDC Shielded wire
±4V
Connection with K3TS
Intelligent Digital Panel Meter
1. Choose an appropriate K3TS model according to the application.
2. Use an input range of 9.999 (±9.999 V). For the K3TS operation in
detail, refer to the
K3TS Intelligent Signal Processor Operation Manual
.
3. If a K3TS model is used with an AC power supply, connect an indepen-
dent DC power supply to the Z4M Laser Displacement Sensor.
Z4M Z4M

Precautions
LASER BEAM SAFETY
DANGER!
The laser incorporated by the Z4M has a central oscillating
wavelength of 780 nm and a maximum optical output of 3 mW.
Follow the instructions on this data sheet for the adjustment
and installation of the Z4M.
Make sure that the laser beam will not be directly or indirectly
reflected into human eyes. The safety distance is approximately
1 m for the Z4M-W40 and 2 m for the Z4M-W100.
Never look directly into the laser beam.
The Sensor incorporates a laser emission warning light and a
laser OFF input circuit. It is possible to interlock laser emission
via an external circuit.
To easily incorporate the most effective safety measures, use
the Z4M in combination with the Z49-SF2 Laser Safety Kit (sold
separately).
If there is a possibility of laser beam reflection by any objects
around the emitter at the time of adjustment, apply paint with a
low light reflection ratio to the objects.
Meeting FDA Regulations
The Z4M is classified as a Class IIIb laser in the U.S. The FDA
regulations require the user to ensure the following:
Laser Beam Attenuator
The system is permanently fitted with an attenuator to
prevent the user from being subjected to radiation levels in
excess of the allowable emission limit.
Remote Interlocked Connector
The system incorporates a remote interlock connector
between a remote controller and the control panel. The
potential difference should be no greater than 130 Vrms
between terminals.
Laser Radiation Emission Indicator
The system incorporates an emission indicator which gives a
visible or audible signal from 2 to 20 seconds before and
during radiation emission. Visible indicators should be visible to
users wearing laser protection glasses.
Safety Interlocks
Safety interlocks are fitted to each part of the protective housing
to prevent the emission of radiation during maintenance.
LASER REGULATIONS
The Z4M Laser Displacement Sensor meets the standards
required by the U.S. Food and Drug Administration (FDA).
OMRON has also reported to the Center for Devices and
Radiological Health (CDRH). The report includes the condition
that the Sensor be used as part of a larger system.
Labels (FDA Regulations)
Attach the following three FDA labels to the Sensor body prior
to use:
CLASS IIIb LASER PRODUCT
INVISIBLE LASER RADIATION
AVOID DIRECT EXPOSURE TO BEAM
PEAK POWER 1060 µW
WAVE LENGTH 780 nm
Danger Label Aperture Label
Z4M-S100
2100
8.3
33 120
Certification and Identification Label
Certification and identification label
(other side)
Aperture label
Danger
label
Label Locations
MAINTENANCE AND REPAIRS
DANGER!
Never disassemble the Sensor. Users expose themselves to
the risk of laser radiation if they disassemble the device.
Do not attempt repairs or maintenance of the Z4M. The Z4M
contains no user serviceable parts. Refer all servicing to an
authorized OMRON agent.
COMPATIBILITY
The Z4M Laser Displacement Sensor and amplifier are adjusted as a set, and they have the same serial number. This Sensor or amplifier
cannot be used with another amplifier or Sensor.
Z4M Z4M

MUTUAL INTERFERENCE
Separate each Sensor as specified in the following table when using more than two Sensors in close proximity to each other.
Installing direction
Z4M-W40 30 mm (1.18 in) 30 mm (1.18 in) 60 mm (2.36 in)
Z4M-W100 60 mm (2.36 in) 60 mm (3.15 in) 80 mm (3.15 in)
ENVIRONMENT
Install the Sensor in clean environment ensuring that the
filter on Sensor’s front panel is kept free from oil and dust.
Do not use the Laser Displacement Sensor in a strong
electromagnetic field or in an environment where the
operation of the Sensor is subjected to the reflection of
intensive light (such as, light from a laser beam or an electric
arc welding machine).
Cleaning
If the filter is affected by oil or dust, clean it as follows:
1. Use a small air blowing device (like that used to clean
camera lenses) to remove dust particles from the surface.
Do not attempt to blow the dust away with your mouth.
2. Use a soft cloth (for lenses) moistened with alcohol to
remove the remaining dust. Do not use a scrubbing action
when cleaning; a scratch on the filter could result in the
Sensor malfunctioning.
The Laser Displacement Sensor cannot accurately detect
objects that are mirror-like, transparent, inclined or have an
extremely small reflection ratio (smaller than the Sensor’s
sensing spot diameter).
DANGER!
Do not wire the power supply cable for the Z4M Sensor in
the same conduit with high-voltage lines or power lines. The
result would be interference, damage, or malfunction.
WIRING
A Z49-C1 Extension Cable can be connected to the Sensor
cable or to the amplifier cable. The total length of the Sensor
cables or amplifier cables must not exceed 10 m (32.91 ft.).
To extend the amplifier cable, use a shielded cable of the
same kind.
POWER SUPPLY
Do not use an autotransformer. Use of an autotransformer
may cause the Z4M to malfunction.
Z4M
+
-
Commercial
power supply
Insulated transformer
Use an insulated transformer for the power supply of the
Z4M, as shown in the illustration provided.
Cat. No. GC MSEN3 2/98 Specifications subject to change without notice. Printed in U.S.A.
OMRON ELECTRONICS, INC.
One East Commerce Drive
Schaumburg, IL 60173
NOTE: DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters to inches divide by 25.4.
1-800-55-OMRON
OMRON CANADA, INC.
885 Milner Avenue
Scarborough, Ontario M1B 5V
8
416-286-6465

Z4M Z4M
Omron Europe B.V. EMA-ISD, tel:[phone], fax:[phone], http://www.eu.omron.com/ema