E4PA-LS400-M1-N - Omron Electronics

E4PA-N Ultrasonic Displacement Sensor 1

Ultrasonic Displacement Sensor

E4PA-N

Now, more advanced with a new

mutual interference prevention

function.

Application Examples

Features

■High-precision detection with a

wide range of measurements.

Four types of Sensors are available with max-

imum sensing distances of 0.5 m, 2 m, 4 m,

and 6 m. With the 0.5-m type, a repeat accu-

racy of 1 mm or better has been achieved.

■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 con-

troller is required. The Setting Plug’s built-in tem-

perature sensor provides superior temperature

characterist ics of ±1% FS.

■The Sensor is ultrasonic, so it is not affected by the

color of objects.

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.

■The mutual interference prevention function allows

up to five Sensors to be used in close proximity.

Detecting slackness in sheet

materials Detecting liquid levels Remotely detecting LCD

wafers Detecting dies

Setting

plug

Transparent objects

Black objects Reflective

ects

OK OK

Highly viscous

liquids

2E4PA-N Ultrasonic Displacement Sensor

Ordering Information

■Sensors

■Accessories (Order Separately)

Sensor I/O Connectors

Setting Plug

Specifications

■Ratings/Characteristics

Note: Values are given one hour after power-up. The outputs may fluctuate due to external disturbances.

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

Cable Shape Cable length Model

Standard Cable Straight 2 m 5 conductors XS2F-D521-DG0-A

5 m XS2F-D521-GG0-A

4-to-5 Conductor Conver-

sion Cable 0.3 m --- E4PA-C01

Shape Model

E4PA-P01

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

Appl ied 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 VD C; r ipple (p -p): 10% max.

Power cons umption 1,800 mW max.

Analog out pu t Current output: 4 to 20 mA (Allowable load resistance: 500 W max.)

Voltage output: 0 to 10 V (1,000 W min.)

Mutual interference cycle time 10 ms 34 ms 77 ms 143 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)

Insulation resistance 50 M W 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 Approx. 320 g Approx. 400 g

Materials Case: Stainless steel (SUS303)

Sensing surface: PBT resin, polyurethane, glass epoxy resin

Accessories Operation Manual

E4PA-N Ultrasonic Displacement Sensor 3

Engineering Data

■Sensing Distances (Typical Examples)

Output Circuit

Sensor I/O Connector

E4PA-LS50-M1-N E4PA-LS200-M1-N

E4PA-LS400-M1-N E4PA-LS600-M1-N

200

150

100

-50

-100

-150

-200

100 200 300 400 500 600

Distance Y (mm)

Distance X (mm)

400

300

200

100

-100

-200

-300

-400

0.5 1 1.5 2 2.5

Distance Y (mm)

Distance X (m)

1,000

800

600

400

200

-200

-400

-600

-800

-1,000

12345

Distance Y (mm)

Distance X (m)

1,000

800

600

400

200

-200

-400

-600

-800

-1,000

12345 67

Distance Y (mm)

Distance X (m)

E4PA-N

0 V

Ri≤500 Ω

Rv≥1,000 Ω

10 to 30 V

4 to 20 mA

0 to 10 V

Mutual

interference

prevention

Connector pin arrangement

4Blue

Gray

Black

Brown

White

Terminal No. Wire color cod

143

Contact Arrangement (Mating Surface)

Class Wire

color

code

No. Application

For

DC Brown 1 Power supply (+V)

White 2 Voltage output

Blue 3 Power su pply (0 V)

Black 4 Current output

Gray 5 Mutual interference

prev ent ion in pu t

4E4PA-N Ultrasonic Displacement Sensor

Nomenclature

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.

Note: 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 th e dead band dist ance and curre nt/voltage outpu t values

may not be stable.

Indicator Display and Analog Output Characteristics

Note: 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. Th e

Sensors will mutually oscillate , ho we ver, causing a delay in measurement time b y the mutual interf erenc e cycle time per Sensor ´ n umber 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.

Sensor

Setting Plug

Triangular mark on

Setting Plug

Notch on Sensor

Setting Plug

connector

M12 connector for

Sensor I/O (5 poles)

Notch on Sensor

RUN indicator (yellow)

Power indicator

reen

)

RUN indicator (yellow)

Error indicator (red)

Position Function

A1 N earest sensing point A1

A2 Farthest sensing point A2

E2/E3

(See note 1.) Analog output characteristics

1. Increase: As the distance increases, the output in-

creases. (LED A1 flash.)

2. Decrease: As the distance increases, the output de-

creases. (LED A2 flash.)

3. Output from 0 mm: Increases from the sensing surface

to point A2. (LED A1 and A2 flash .) (See note 2.)

T Temperature compensation setting (normal operating

condition)

0 mm A2A1

(1) Output increase mode

(2) Output decrease mode

(3) Output from 0 mm

Nearest point Farthest point 20 mA/10 V

20 mA/10 V

4 mA/0 V

Dead band distance

4 mA/0 V

20 mA/10 V

Sta tus Setti ng Pl ug

position Power indicator

(green) Error indicator (red) RUN indicator A1

(yellow) R UN indicator A2

(yellow) Analog

output

Normal operation Temperature compensation T Lit Not lit 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 distur-

bance)

Not lit Flashing Lit/Not lit

(See note 2.) Lit/Not lit

(See note 2.) No change or

unstable

Sensing distance A1 set-

ting With sensing object A1 Flashing Not lit Flashing Not lit No change

Without sensing object Not lit Flashing Flashing Not lit No change

Sensing distance A2 set-

ting With sensing object A2 Flashing Not lit Not lit Flashing No change

Without sensing object Not lit Flashing Not lit Flashing No change

Analog output ch aracteris-

tics setting (1) Output increase mode E2/E3 Lit Not lit Flashing Not lit No change

(2) Output decrease mode Lit Not lit Not lit Flashing No change

(3) Output fr om 0 mm Lit Not lit Flashing (synchronous) Flashing (synchronous) No change

Power turned ON None Flashing Not lit Previous status Previous status No change

E4PA-N Ultrasonic Displacement Sensor 5

Operation

Setup and Operating Procedure

The E4PA-N is factory-s et 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

Note: Do not insert the Setting Plug yet. It must be inserted within

five minutes after the power is turned ON, however, or the set-

up will not be possible. If that happens, power up again and

start over.

2. Setting Sensing Range

3. Setting Analog Output Chara cteristics

Mode

4. Setting Temperature Compen sation Mode

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 com -

pensation will be disabled (status before setting).

If it becomes necessar y to change the settings for step 2 (Sens ing Range ) or step 3 (Analog O utput C haracterist ics Mode) after steps 1 t hrough

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.

Step Setting/Operation

1 Remo ve the Setti n g Plug .

2 Turn ON the power.

(See note.)

3 Proceed to Step 2 Setting Sensing Range.

Step Setting/Operation

1 Place the sensing object at the nearest point within the sensing

range.

2 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 dis-

tance has been corr ectl y set.

3 Remove the Setting Plug. (In this

state, the settin g is confi rmed and

recorded.)

4 Place the sensing object at the farthest point within the sensing

range.

5 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

fla sh, sh owing that the far di stan ce

has been correctly set.

6 Remove the Setting Plug. (In this

state, the settin g is confi rmed and

recorded.)

7 Proceed to Step 3 Setting Analog Output Character ist ics M ode.

50 mm (for E4PA-LS50-M1-N)

Sensing object

A1 A2 E3

A1 position

500 mm (for E4PA-LS50-M1-N)

Sensing object

A2 position

A1 A2 E3

Step Setting/Operation

1 Insert the Setting Plug at the E2/E3

position. (Align the notch on the Sen-

sor w ith the E2 /E3 tri angular mark on

the Setting Plug.)

Note: Check the input impedance of connected devices

and the analog output in Ratings/Characteristics (see

page 2).

2 After the analog output characteristics have been set, remove the

Setting Plug.

3 Proceed to Step 4 Setting Temperature Compensation Mode.

Step Setting/Operation

1 Insert the Setting Plug at the T posi-

tion. (Align the notch on the Sensor

with the T t ria ngular mark on the S et-

ting Plug.)

2 Leave the Setting Plug inserted where it is. (This completes the set-

up.)

Note: To maintain the temperature compensation, leave

the Setting Plug inserted during operation. If it is re-

moved from the E4P A, the temper ature compe n sa-

tion will be disabled.

E2/E3 position

A1 A2 E3

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

sensing object nears the E4PA

within the sensing range.

A1 RUN indicator (yellow) flashing:

● Analog output characteristics: Increase mode

A1 and A2 RUN indicators (yellow) flashing at the same time:

● Analog output characteristics: Output from 0 mm

In this mode, the analog output

increases (4 to 20 mA/0 to 10 V)

as the sensing object nears the

E4PA within the sensing range.

In this mode, the analog output

decreases (20 to 4 mA/10 to 0 V)

as the sensing object nears the

E4PA between the farthest

sensing point and 0 mm

The mode changes when the Setting Plug

is reinserted at the E2/E3 position.

The mode changes when the Setting Plug

is reinserted at the E2/E3 position.

T position

6E4PA-N Ultrasonic Displacement Sensor

Safety Precautions

■Precauti ons for Safe Use

Design

Po wer Suppl y

If possible, use a power supply without ov ercurrent detection. This

Sensor uses a DC-DC converter in the power supply circuit. If the

power supply has ov ercurrent detection, the protectiv e circuit ma y be

activated by the inrush current.

Recommended power supply: OMRON S82-series Power Supply

(Capacity: 15 W min.)

Wiring

Power Su pply Vol t age

Do not exceed the operating voltage r ange. 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 env ironment where inflamm able or

explosive gas is present.

Others

• Do not attempt to disassemble, repair, or modify any Units. Any at-

tempt to do so may result in malfunction, fire, or electric shock.

• Dispose of Sensors as industrial waste.

■Precauti ons for Correct Use

Design

Sensor Ambien t Temperature and Humidity

The acoustic velocity generally fluctuates approximately 0.17% with

each 1°C of temperature change. For example, if the ambient tem-

perature 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 environ-

mental conditions where the S ensor will actually be used.

Mutual Interference

Separate the Sensors as specified in the f ollowing table when using

two or more Sensors in close proximity to one another. The mutual

interf erence prevention function can be used with up to five Sensors.

Parallel Arrang emen t

Note: The values shown in the following table are examples for ref-

erence only. The actual values will vary depending on the sur-

face conditions of the sensing object, and on the ultrasonic

waves that are reflected. Moreover, if the sensing object is in-

clined, the Y value in the table will be increased further.

Facing Arrangemen t

Sensing Object

• The sensing object may be solid, liquid, or powder, and the detec-

tion capability of the Sensor will vary depending on the surface con-

ditions 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 littl e 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 sens-

ing.

Installation

Moun ting the Sen sor

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 out-

doors or in places that exceed the rated temperature.

• Ultrasonic sensors use air as the transmiss ion medium, so if there

are local temperature differences there may be malfuncti oning due

to reflection and refraction at the boundaries, and the detection dis-

tances change where wind bl ows. 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

Cable Le ng th

The cable must be no longer than 10 m.

High-voltage Lines

Do not lay power supply cable for the E4PA-N Ultrasonic Displace-

ment Sensor together with high-voltage lines or power lines . Placing

them in the same conduit or duct may result in interference , damage,

or malfunction.

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.

E4PA-N

Sensing object

Model Y

E4PA -LS50-M1-N 2 m min.

E4PA-LS200- M1-N 8 m min.

E4PA -LS400-M1-N 16 m min.

E4PA -LS600-M1-N 25 m min.

E4PA-N E4PA-N

3°3°

E4PA-N Sensing object

E4PA-N Ultrasonic Displacement Sensor 7

Dimensions

Note: All units are in millimeters unless otherwise indicated.

■Sensors

E4PA-LS50-M1-N

E4PA-LS200-M1-N

E4PA-LS400-M1-N

E4PA-LS600-M1-N

36 (25)

27.5

(12)

114

M30 × 1.5

M12 × 1

Two clamping nuts

Indicator (See note.) Setting Plug

Note: RUN indicator (yellow)

Power indicator (green)

Error indicator (red)

36 (25)

27.5

(12)

114

M30 × 1.5

M12 × 1

Two clamping nuts

Indicator (See note.) Setting Plug

Note: RUN indicator (yellow)

Power indicator (green)

Error indicator (red)

(See note 2.) (25)

(12)

128 27.5

40 dia.

M30 × 1.5

M12 × 1

Two clamping nuts

Indicator (See note.) Setting Plug

Note: 1. RUN indicator (yellow)

Power indicator (green)

Error indicator (red)

2. This is the dimension

between the flat sides of

the nuts.

27.5

(25)

32.5

(41.6)

(12)

132

73 dia.

M30 × 1.5

M12 × 1

Two clamping nuts (See note 2.)

Indicator (See note.) Setting Plug

Note: 1. RUN indicator (yellow)

Power indicator (green)

Error indicator (red)

2. The distance between

the flat sides of the nuts

is 36 mm.

■Accessories (Order Separately)

Standard (Straight)

XS2F-D521-DG0-A (L=2 m)

XS2F-D521-GG0-A (L=5 m)

4-to-5 Conductor Conversion Cable

E4PA-C01

Setting Plug

E4PA-P01

45°

M12 18

48 L50

30 5

5 dia.

14.9 dia.

6 dia.

48 300

47.1

45°

432

M12

45°

5 dia.

14.9 dia. 14.9 dia.

5 dia.

6 dia.

2.5

4.2

10.1 dia.

8 dia.3.2 dia.

6.9 dia.

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invoice. (f) As used herein, "including" means "including without limitation".

Certain Precautions on Specifications and Use

. Suitability of Use. Seller shall not be responsible for conformity with any stan-

dards, codes or regulations which apply to the combination of the Good in the

Buyer's application or use of the Good. At Buyer's request, Seller will provide

applicable third party certification documents identifying ratings and limitations

of use which apply to the Good. This information by itself is not sufficient for a

complete determination of the suitability of the Good 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 this Good,

nor is it intended to imply that the uses listed may be suitable for this Good:

(i) Outdoor use, uses involving potential chemical contamination or electrical

interference, or conditions or uses not described in this document.

(ii) 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.

(iii) Systems, machines and equipment that could present a risk to life or

property. Please know and observe all prohibitions of use applicable to

this Good.

NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS

RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM

AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT

THE SELLER'S PRODUCT IS PROPERLY RATED AND INSTALLED FOR

THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.

2. Programmable Products. Seller shall not be responsible for the user's pro-

gramming of a programmable Good, or any consequence thereof.

3. 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 Seller's test conditions, and the user must corre-

late it to actual application requirements. Actual performance is subject to the

Seller's Warranty and Limitations of Liability.

4. Change in Specifications. Product specifications and accessories may be

changed at any time based on improvements and other reasons. It is our prac-

tice to change part numbers when published ratings or features are changed,

or when significant construction changes are made. However, some specifica-

tions of the Good may be changed without any notice. When in doubt, special

part numbers may be assigned to fix or establish key specifications for your

application. Please consult with your Seller's representative at any time to con-

firm actual specifications of purchased Good.

5. Errors and Omissions. The information in this catalog has been carefully

checked and is believed to be accurate; however, no responsibility is assumed

for clerical, typographical or proofreading errors, or omissions.

OMRON ON-LINE

Global - http://www.omron.com

USA - http://www.omron.com/oei

Canada - http://www.omron.ca

Cat. No. D099-E3-01 1/04 Specifications subject to change without notice Printed in USA

OMRON CANADA, INC.

885 Milner Avenue

Toronto, Ontario M1B 5V8

416-286-6465

OMRON ELECTRONICS LLC

One Commerce Drive

Schaumburg, IL 60173

847-843-7900

For US technical support or other inquiries:

800-556-6766

Complete “Terms and Conditions of Sale” for product purchase and use are on Omron’s website

at www.omron.com/oei – under the “About Us” tab, in the Legal Matters section.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.

To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.