Omron E4PA-LS600-M1-N Ultrasonic displacement sensor Datasheet

Ultrasonic Displacement Sensor
E4PA-N
Now, more advanced with a new
mutual interference prevention
function.
Application Examples
Detecting slackness in sheet
materials
Detecting liquid levels
Remotely detecting LCD
wafers
Detecting dies
Features
■ The Sensor is ultrasonic, so it is not affected by the
■ High-precision detection with a
color of objects.
wide range of measurements.
A variety of materials can be measured, including transparent and
reflective objects. Measurements are performed with no contact, so
even highly-viscous liquids are no problem.
Four types of Sensors are available with maximum sensing distances of 0.5 m, 2 m, 4 m,
and 6 m. With the 0.5-m type, a repeat accuracy of 1 mm or better has been achieved.
OK
Transparent objects
■ A setting plug with a temperature compensation
function makes it easy to set the sensing range.
The sensing range can be set by the Setting Plug,
which is included with the Sensor. No special controller is required. The Setting Plug’s built-in temperature sensor provides superior temperature
characteristics of ±1% FS.
OK
Black objects
OK
Reflective
objects
OK
Highly viscous
liquids
■ The mutual interference prevention function allows
up to five Sensors to be used in close proximity.
Setting
plug
E4PA-N Ultrasonic Displacement Sensor
1
Ordering Information
■ Sensors
Sensing range
Model
50 to 500 mm
E4PA-LS50-M1-N
120 to 2,000 mm
E4PA-LS200-M1-N
240 to 4,000 mm
E4PA-LS400-M1-N
400 to 6,000 mm
E4PA-LS600-M1-N
■ Accessories (Order Separately)
Sensor I/O Connectors
Cable
Standard Cable
Shape
Cable length
2m
Straight
Model
5 conductors
5m
4-to-5 Conductor Conversion Cable (See note.)
Note:
XS2F-D521-DG0-A
XS2F-D521-GG0-A
0.3 m
---
E4PA-C01
When you use a 4-pole sensor connector cable, the E4PA-C01 is useful for converting from 4 to 5 poles. If this is done, however, you
cannot use the mutual interference prevention function.
Setting Plug
Shape
Model
E4PA-P1
Remarks
Attached to
each Sensor
Specifications
■ Ratings/Characteristics
Item
E4PA-LS50-M1-N
E4PA-LS200-M1-N
E4PA-LS400-M1-N
E4PA-LS600-M1-N
Sensing range
50 to 500 mm
120 to 2,000 mm
240 to 4,000 mm
400 to 6,000 mm
Dead band distance
0 to 50 mm
0 to 120 mm
0 to 240 mm
0 to 400 mm
Standard sensing object
100 × 100 mm flat plate
Applied frequency
Approx. 380 kHz
Approx. 180 kHz
Approx. 85 kHz
Approx. 65 kHz
Response time
63 ms max.
195 ms max.
440 ms max.
850 ms max.
Power supply voltage
10 to 30 VDC; ripple (p-p): 10% max.
Power consumption
1,800 mW max.
77 ms
143 ms
Analog output
Current output: 4 to 20 mA (Allowable load resistance: 500 Ω max.)
Voltage output: 0 to 10 V (1,000 Ω min.)
Protective circuit
Load short-circuit protection, mutual interference prevention
Mutual interference prevention cycle time
10 ms
Linearity
±1% FS max.
Repeat accuracy (See note.)
0.1% FS max.
Temperature influence
±1% FS of output value at +23°C in the temperature range of -10 to 55°C
Voltage influence
±5% FS max. within rated power supply voltage range
Ambient temperature
Operating: -10 to 55°C (with no icing or condensation)
Storage: -40 to 85°C (with no icing or condensation)
Ambient humidity
Operating and storage: 35% to 85% (with no condensation)
34 ms
Insulation resistance
50 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength
1,000 VAC (50/60 Hz) for 1 min between current-carrying parts and case
Vibration resistance
Destruction: 10 to 55 Hz, 1-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance
Destruction: 300 m/s2 three times each in X, Y, and Z directions
Connection method
5-conductor connector
Degree of protection
IEC60529: IP65
Weight (packed)
Approx. 240 g
Materials
Case:
Sensing surface:
Clamping nut:
Accessories
Operation Manual
Note:
2
Approx. 320 g
Stainless steel (SUS303)
PBT resin, polyurethane, glass epoxy resin
Stainless steel (SUS303)
Values are given one hour after power-up. The outputs may fluctuate due to external disturbances.
E4PA-N Ultrasonic Displacement Sensor
Approx. 400 g
Engineering Data
E4PA-LS50-M1-N
E4PA-LS200-M1-N
Distance Y (mm)
Distance Y (mm)
■ Sensing Distances (Typical Examples)
200
150
100
50
0
400
300
200
100
100
200
300
400
500
0
600
0.5
Distance X (mm)
1
1.5
2
2.5
Distance X (m)
-50
-100
-100
-200
X
X
-150
-300
Y
Y
-200
E4PA-LS400-M1-N
E4PA-LS600-M1-N
Distance Y (mm)
Distance Y (mm)
-400
1,000
800
600
1,000
800
600
400
400
200
200
0
1
2
3
4
0
5
Distance X (m)
-200
1
2
3
4
5
6
-400
7
Distance X (m)
-200
-400
X
-600
-800
X
-600
-800
Y
-1,000
Y
-1,000
Output Circuit
E4PA-N
1
10 to 30 V
5
Mutual
interference
prevention
4 to 20 mA
4
2
Ri≤500 Ω
0 to 10 V
Sensor I/O Connector
2
1
Brown
White
Blue
Black
Gray
3
5
Rv≥1,000 Ω
0V
Connector pin arrangement
Wire
color
code
For
DC
Brown
1
White
2
Voltage output
Blue
3
Power supply (0 V)
Wire color code
4
3
Class
Terminal No.
Contact Arrangement (Mating Surface)
1
2 5 4
PIn
No.
Application
Power supply (+V)
Black
4
Current output
Gray
5
Mutual interference
prevention input
2
3
5
3
1
4
E4PA-N Ultrasonic Displacement Sensor
3
Nomenclature
M12 connector for
Sensor I/O (5 poles)
Sensor
Setting Plug
connector
Setting Plug
Triangular mark on
Setting Plug
Notch on Sensor
RUN indicator (yellow)
Notch on Sensor
RUN indicator (yellow)
Power indicator (green)
Error indicator (red)
Setting Plug
The E4PA-N is set up by aligning the notch on the Sensor with one
of the triangular marks on the Setting Plug and inserting the Setting
Plug into the Sensor.
Nearest point
Farthest point
20 mA/10 V
(1) Output increase mode
Position
4 mA/0 V
Function
A1
Nearest sensing point A1
A2
Farthest sensing point A2
E2/E3
(See note 1.)
Analog output characteristics
20 mA/10 V
(2) Output decrease mode
4 mA/0 V
1. Increase: As the distance increases, the output increases. (LED A1 flash.)
20 mA/10 V
2. Decrease: As the distance increases, the output decreases. (LED A2 flash.)
(3) Output from 0 mm
3. Output from 0 mm: Increases from the sensing surface
to point A2. (LED A1 and A2 flash.) (See note 2.)
T
Note:
0 mm
A1
Dead band distance
Temperature compensation setting (normal operating
condition)
A2
1. Analog Output Characteristics when Setting Plug is inserted at E2/
E3 Position:
The analog output characteristics will change from (1) to (2) to (3),
in that order, each time the Setting Plug is inserted with the E2/E3
position aligned with the notch on the Sensor.
2. The analog output value can be compensated so that the sensing
surface (0 mm) of the Sensor is 4 mA/0 V regardless of the nearest
sensing point setting.
This function is useful when using Controllers without a scaling
function. Sensing is not possible, however, for characteristics
within the dead band distance and current/voltage output values
may not be stable.
Indicator Display and Analog Output Characteristics
Status
Normal operation
Temperature compensation
RUN indicator A1
(yellow)
RUN indicator A2
(yellow)
Analog
output
Lit/Not lit
(See note 1.)
Lit/Not lit
(See note 1.)
Present value
Setting Plug not inserted
Not lit
Lit
Lit/Not lit
(See note 1.)
Lit/Not lit
(See note 1.)
Present value
Malfunction sensing (when
detecting external disturbance)
Not lit
Flashing
Lit/Not lit
(See note 2.)
Lit/Not lit
(See note 2.)
No change or
unstable
Flashing
Not lit
Flashing
Not lit
No change
Not lit
Flashing
Flashing
Not lit
No change
Flashing
Not lit
Not lit
Flashing
No change
Not lit
Flashing
Not lit
Flashing
No change
No change
Sensing distance A2 setting
With sensing object
Analog output characteristics setting
(1) Output increase mode
Note:
Error indicator (red)
Not lit
With sensing object
T
Power indicator
(green)
Lit
Sensing distance A1 setting
Power turned ON
Setting Plug
position
A1
Without sensing object
A2
Without sensing object
Lit
Not lit
Flashing
Not lit
(2) Output decrease mode
E2/E3
Lit
Not lit
Not lit
Flashing
No change
(3) Output from 0 mm
Lit
Not lit
Flashing (synchronous)
Flashing (synchronous)
No change
Flashing
Not lit
Previous status
Previous status
No change
None
1. Lit: The sensing object is within the sensing range.
Not lit: The sensing object is not within the sensing range.
2. Output indicator just prior to occurrence of malfunction.
Mutual Interference Prevention
The E4PA-N provides a sync input to prevent mutual interference.
When the fifth pin of the Sensor I/O Connector’s M12 Connector is interconnected, mutual interference can be prevented for up to five Units. The
Sensors will mutually oscillate, however, causing a delay in measurement time by the mutual interference cycle time per Sensor × number of Units
+ response time. When the sync inputs are not connected, the mutual interference prevention function is disabled.
(For example, if three E4PA-LS200-M1-N are connected, the response time for one Sensor is 34 ms × 3 Sensors + 195 ms = 297 ms.
4
E4PA-N Ultrasonic Displacement Sensor
Operation
Setup and Operating Procedure
The E4PA-N is factory-set for the decrease mode for analog output characteristics and for the maximum sensing range. These settings enable
scaling with the connected device (e.g., the K3NX). In this case, only step 4 is required.
To change the analog output range, follow steps 1 to 4 below.
1. Preparation for Setup
Step
1
3. Setting Analog Output Characteristics
Mode
Setting/Operation
Remove the Setting Plug.
Step
1
2
Turn ON the power.
(See note.)
3
Proceed to Step 2 Setting Sensing Range.
Note: Do not insert the Setting Plug yet. It must be inserted within
five minutes after the power is turned ON, however, or the setup will not be possible. If that happens, power up again and
start over.
A2 RUN indicator (yellow) flashing:
● Analog output characteristics: Decrease mode
In this mode, the analog output decreases
(20 to 4 mA/10 to 0 V) as the
E2
sensing object nears the E4PA
within the sensing range.
A1 A2
2. Setting Sensing Range
Step
1
A1 RUN indicator (yellow) flashing:
● Analog output characteristics: Increase mode
In this mode, the analog output
increases (4 to 20 mA/0 to 10 V)
E3
E2
as the sensing object nears the
E4PA within the sensing range.
A1 A2
Insert the Setting Plug at the A1
position. (Align the notch on the
Sensor with the A1 triangular mark
on the Setting Plug.)
The power indicator (green) and
the A1 RUN indicator (yellow) with
flash, showing that the near distance has been correctly set.
The mode changes when the Setting Plug
is reinserted at the E2/E3 position.
A1 position
A1 and A2 RUN indicators (yellow) flashing at the same time:
● Analog output characteristics: Output from 0 mm
In this mode, the analog output
decreases (20 to 4 mA/10 to 0 V)
as the sensing object nears the
E3
E2
E4PA between the farthest
sensing point and 0 mm.
A1 A2
E3
E2
A1
A2
3
Remove the Setting Plug. (In this
state, the setting is confirmed and
recorded.)
4
Place the sensing object at the farthest point within the sensing
range.
Sensing object
Note: Check the input impedance of connected devices
and the analog output in Ratings/Characteristics (see
page 2).
500 mm (for E4PA-LS50-M1-N)
Insert the Setting Plug at the A2
position. (Align the notch on the
Sensor with the A2 triangular mark
on the Setting Plug.)
The power indicator (green) and
the A2 RUN indicator (yellow) will
flash, showing that the far distance
has been correctly set.
6
7
E3
The mode changes when the Setting Plug
is reinserted at the E2/E3 position.
50 mm (for E4PA-LS50-M1-N)
5
E2/E3 position
Setting/Operation
Place the sensing object at the nearest point within the sensing
range.
Sensing object
2
Setting/Operation
Insert the Setting Plug at the E2/E3
position. (Align the notch on the Sensor with the E2/E3 triangular mark on
the Setting Plug.)
2
After the analog output characteristics have been set, remove the
Setting Plug.
3
Proceed to Step 4 Setting Temperature Compensation Mode.
A2 position
E3
E2
A1
A2
Remove the Setting Plug. (In this
state, the setting is confirmed and
recorded.)
4. Setting Temperature Compensation Mode
Step
1
Proceed to Step 3 Setting Analog Output Characteristics Mode.
2
Setting/Operation
Insert the Setting Plug at the T position. (Align the notch on the Sensor
with the T triangular mark on the Setting Plug.)
T position
Leave the Setting Plug inserted where it is. (This completes the setup.)
Note: To maintain the temperature compensation, leave
the Setting Plug inserted during operation. If it is removed from the E4PA, the temperature compensation will be disabled.
Note:
If the reflection from the Sensor is extremely weak, or if the sensing object is set outside of the sensing range, the error indicator (red) will
flash to show that the sensing range is not accurately set. If the Setting Plug is left removed for five minutes or longer, temperature compensation will be disabled (status before setting).
If it becomes necessary to change the settings for step 2 (Sensing Range) or step 3 (Analog Output Characteristics Mode) after steps 1 through
4 have been completed, the contents of all the previous settings will be remembered, so only the items to be changed need to be reset. Go
through the steps in order, from 1 to 4, and reset only the items to be changed.
E4PA-N Ultrasonic Displacement Sensor
5
Safety Precautions
■ Precautions for Safe Use
Facing Arrangement
E4PA-N
Design
E4PA-N
Power Supply
X
If possible, use a power supply without overcurrent detection. This
Sensor uses a DC-DC converter in the power supply circuit. If the
power supply has overcurrent detection, the protective circuit may be
activated by the inrush current.
Recommended power supply: OMRON S82-series Power Supply
(Capacity: 15 W min.)
Wiring
Model
E4PA-LS50-M1-N
Y
2 m min.
E4PA-LS200-M1-N
8 m min.
E4PA-LS400-M1-N
16 m min.
E4PA-LS600-M1-N
25 m min.
Sensing Object
Power Supply Voltage
Do not exceed the operating voltage range. Using a higher voltage
or using an AC power supply (100 VAC or more) for a DC Sensor
can cause explosion or burning.
Faulty Wiring
Be careful not to make wiring mistakes such as reversing the power
supply polarity. Faulty wiring can cause explosion or burning.
Operating Environment
Do not use the Sensor in an environment where inflammable or
explosive gas is present.
Others
• Do not attempt to disassemble, repair, or modify any Units. Any attempt to do so may result in malfunction, fire, or electric shock.
• Dispose of Sensors as industrial waste.
■ Precautions for Correct Use
• The sensing object may be solid, liquid, or powder, and the detection capability of the Sensor will vary depending on the surface conditions of the object. If the surface irregularities are no more than 0.2
mm, then the specified sensing distance will apply. Materials such
as fine powder, felt, cotton, and other materials that absorb sound
should be tested before using the Sensor.
• If the surface temperature of the sensing object is over 100°C, there
will be very little ultrasonic reflection. Conduct tests before using the
Sensor.
Influence of Sensing Angle
Ultrasonic Displacement Sensors can detect solid, liquid, or powder
sensing objects, but the surface of the sensing object will affect the
measurement. Dented surfaces or sensing objects with an angled
surface require a tilt angle within 3° max. to achieve accurate sensing.
E4PA-N
Design
Sensing object
3°
Sensor Ambient Temperature and Humidity
The acoustic velocity generally fluctuates approximately 0.17% with
each 1°C of temperature change. For example, if the ambient temperature increases from 20 to 40°C, then the acoustic velocity will
increase by 3.5%. Moreover, the acoustic velocity will increase by
2% in dry air compared with air with 100% humidity. Test the environmental conditions where the Sensor will actually be used.
Mutual Interference
Separate the Sensors as specified in the following table when using
two or more Sensors in close proximity to one another. The mutual
interference prevention function can be used with up to five Sensors.
Parallel Arrangement
Sensing object
E4PA-N
E4PA-N
Y
Sensing object
3°
Installation
Mounting the Sensor
The Sensor must be mounted using the nuts provided, and tightened
to a torque of 15 N·m max.
If the Sensor malfunctions due to noise, insert insulation between
the Sensor and the mounting base (metal).
Atmosphere
• To ensure reliability and long service life, do not use the Sensor outdoors or in places that exceed the rated temperature.
• Ultrasonic sensors use air as the transmission medium, so if there
are local temperature differences there may be malfunctioning due
to reflection and refraction at the boundaries, and the detection distances change where wind blows. Therefore, the Sensor should not
be used near equipment such as forced-air ventilators.
• Jets from air nozzles include various frequencies, so they can affect
the Sensor and should not be used nearby.
• Water drops on the Sensor surface shorten the sensing distance.
Wiring Considerations
Note: The values shown in the following table are examples for reference only. The actual values will vary depending on the surface conditions of the sensing object, and on the ultrasonic
waves that are reflected. Moreover, if the sensing object is inclined, the Y value in the table will be increased further.
Model
Y
E4PA-LS50-M1-N
0.3 m min.
E4PA-LS200-M1-N
1 m min.
E4PA-LS400-M1-N
2 m min.
E4PA-LS600-M1-N
2.5 m min.
6
E4PA-N Ultrasonic Displacement Sensor
Cable Length
The cable must be no longer than 10 m.
High-voltage Lines
Do not lay power supply cable for the E4PA-N Ultrasonic Displacement Sensor together with high-voltage lines or power lines. Placing
them in the same conduit or duct may result in interference, damage,
or malfunction.
Dimensions
Note:
All units are in millimeters unless otherwise indicated.
■ Sensors
E4PA-LS50-M1-N
M30 × 1.5
Two clamping nuts
5
Setting Plug
Indicator (See note.)
Note: RUN indicator (yellow)
Power indicator (green)
Error indicator (red)
36
22
(12)
(25)
27.5
114
M12 × 1
E4PA-LS200-M1-N
M30 × 1.5
Two clamping nuts
5
Indicator (See note.)
36
22
Setting Plug
Note: RUN indicator (yellow)
Power indicator (green)
Error indicator (red)
(12)
(25)
27.5
114
M12 × 1
E4PA-LS400-M1-N
M30 × 1.5
Two clamping nuts
5
Indicator (See note.)
Setting Plug
40 dia.
Note: 1. RUN indicator (yellow)
Power indicator (green)
Error indicator (red)
22
36
(See note 2.)
25
(25)
27.5
128
2. This is the dimension
between the flat sides of
the nuts.
(12)
M12 × 1
E4PA-LS600-M1-N
73 dia.
19
M30 × 1.5
Two clamping nuts (See note 2.)
5
Indicator (See note.)
Setting Plug
(41.6)
22
32.5
132
(12)
(25)
27.5
M12 × 1
Note: 1. RUN indicator (yellow)
Power indicator (green)
Error indicator (red)
2. The distance between
the flat sides of the nuts
is 36 mm.
E4PA-N Ultrasonic Displacement Sensor
7
■ Accessories (Order Separately)
Standard (Straight)
XS2F-D521-DG0-A (L=2 m)
XS2F-D521-GG0-A (L=5 m)
M12
5 dia.
18
45°
6 dia.
14.9 dia.
30
34
48
5
50
L
4-to-5 Conductor Conversion Cable
E4PA-C01
M12
5 dia.
45°
1
18
M12
6 dia.
1
4
14.9 dia.
45°
14.9 dia.
2
4
3
5
47.1
34
3
2
5 dia.
48
300
Setting Plug
E4PA-P1
25
10
4.2
6.9 dia.
2.5
3.2 dia. 8 dia. 10.1 dia.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
CSM_3_1_0110
D099-E1
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
Sensing Devices Division H.Q.
Application Sensors Division
Shiokoji Horikawa, Shimogyo-ku,
Kyoto, 600-8530 Japan
Tel: (81)75-344-7068/Fax: (81)75-344-7107
Read and Understand This Catalog
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or
comments.
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from date of sale by OMRON.
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Application Considerations
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OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's
application or use of the products.
At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the
products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product,
machine, system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible
uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:
• Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog.
• Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles,
safety equipment, and installations subject to separate industry or government regulations.
• Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products.
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE
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INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
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OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.
Disclaimers
CHANGE IN SPECIFICATIONS
Product specifications and accessories may be changed at any time based on improvements and other reasons.
It is our practice to change model numbers when published ratings or features are changed, or when significant construction changes are made.
However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or
establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual
specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.
PERFORMANCE DATA
Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the
result of OMRON’s test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON
Warranty and Limitations of Liability.
ERRORS AND OMISSIONS
The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical,
typographical, or proofreading errors, or omissions.
2010.1
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2010 All Right Reserved.
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