Pepperl+Fuchs UB250-F77-E2-V31 Guide

Germany: +49 621 776 4411Pepperl+Fuchs Group

Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.

USA: +1 330 486 0001 Singapore: +65 6779 9091

www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com [email protected].com

fa-info@de.pepperl-fuchs.com

Ultrasonic direct detection sensor UB250-F77-E2-V31

Release date: 2016-02-12 14:51 Date of issue: 2016-02-12 233250_eng.xml

Technical data

General specifications

Sensing range 20 ... 250 mm

Adjustment range 45 ... 250 mm

Dead band 0 ... 20 mm

Standard target plate 20 mm x 20 mm

Transducer frequency approx. 400 kHz

Nominal ratings

Time delay before availability tv≤150 ms

Limit data

Permissible cable length max. 300 m

Indicators/operating means

LED yellow switching state and flashing: Teach-In

Electrical specifications

Rated operating voltage Ue24 V DC

Operating voltage UB20 ... 30 V DC , ripple 10 %SS ; 12 ... 20 V DC sensitivity

reduced to 90 %

No-load supply current I0≤20 mA

Input

Input type 1 program input

Level low level : 0 ... 0.7 V (Teach-In active)

high level : UBor open input (Teach-In inactive)

Input impedance 16 kΩ

Pulse length ≥3 s

Output

Output type 1 switch output PNP, NO

Rated operating current Ie200 mA , short-circuit/overload protected

Voltage drop Ud≤2 V

Switch-on delay ton ≤50 ms

Repeat accuracy ± 1 mm

Switching frequency f 10 Hz

Range hysteresis H typ. 2.5 mm

Off-state current Ir≤0.01 mA

Temperature influence + 0.17 %/K

Ambient conditions

Ambient temperature -25 ... 70 °C (-13 ... 158 °F)

Storage temperature -40 ... 85 °C (-40 ... 185 °F)

Shock resistance 30 g , 11 ms period

Vibration resistance 10 ... 55 Hz , Amplitude ± 1 mm

Mechanical specifications

Connection type M8 x 1 connector , 4-pin

Degree of protection IP67

Material

Housing Polycarbonate

Transducer epoxy resin/hollow glass sphere mixture; polyurethane foam

Installation position any position

Mass 10 g

Tightening torque, fastening screws max. 0.2 Nm

Compliance with standards and

directives

Standard conformity

Standards EN 60947-5-2:2007 + A1:2012

IEC 60947-5-2:2007 + A1:2012

Approvals and certificates

UL approval cULus Listed, General Purpose

CSA approval cCSAus Listed, General Purpose

CCC approval CCC approval / marking not required for products rated

≤36 V

Model Number

UB250-F77-E2-V31

Ultrasonic direct detection sensor

Features

• Miniature design

• Program input

• Degree of protection IP67

• Switching status indicator, yellow

LED

Diagrams

Characteristic response curve

Distance X [mm]

Distance Y [mm]

0 50 100 150 200 250 300

-10

-20

-30

-40

-50

Ultrasonic direct detection sensor UB250-F77-E2-V31

Release date: 2016-02-12 14:51 Date of issue: 2016-02-12 233250_eng.xml

Germany: +49 621 776 4411Pepperl+Fuchs Group

Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.

USA: +1 330 486 0001 Singapore: +65 6779 9091

www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com [email protected].com

fa-info@de.pepperl-fuchs.com

Dimensions

Electrical Connection

Pinout

12 3.2

3.2

ø3.2

322

314

M8 x 1

189

+UB

-UB

Switching output

ET (Teaching input)

1 BN

2 WH

3 BU

4 BK

Wire colors in accordance with EN 60947-5-2

(brown)

(white)

(blue)

(black)

Ultrasonic direct detection sensor UB250-F77-E2-V31

Release date: 2016-02-12 14:51 Date of issue: 2016-02-12 233250_eng.xml

Germany: +49 621 776 4411Pepperl+Fuchs Group

Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.

USA: +1 330 486 0001 Singapore: +65 6779 9091

www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com [email protected].com

fa-info@de.pepperl-fuchs.com

Description of Sensor Function

The ultrasonic sensor transmits ultrasonic packets in quick succession and responds to their reflection off the detected object. The sensor has

a switch output. The switching point is progammable (Teach-In). Objects beyond the taught-in switching point are not detected (background

suppression).

Teach-In of Switching Point SP

To teach in a switching point, proceed as follows:

1. Connect the sensor and turn on the operating voltage.

2. Place the object to be detected at the required distance.

3. Connect the teach-in input (ET) to -UB. This can be done usingthepushbutton or the controller.

The LED will start flashing after 3 seconds to indicate that the sensor is ready to start the teach-in process (*).

4. Disconnect the teach-in input (ET) with -UB. The switching point SP has now been taught in (*).

(*) If no object is detected within the sensing range of the sensor, the sensor will start flashing at a faster rate. The switching point remains

unchanged.

Switching characteristics and display LED

" = Object position

Safety Note

The use of this device in applications, where the safety of persons depends from the devices function, is not allowed!

Accessories

UB-PROG4-V31

Programming unit for ultrasonic sensors with Teach-in input at pin 2

OMH-ML7-01

Mounting aid for ML7 and ML8 series, Mounting bracket

V31-GM-2M-PVC

Female cordset, M8, 4-pin, PVC cable

V31-WM-2M-PVC

Female cordset, M8, 4-pin, PVC cable

unusable

area

Sensing range Output LED

Adjustment range

" -UBOff

" +UBOn

" Undefined

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