Pepperl Fuchs UB250-F77-F-V31 Data Sheet

Ultrasonic direct detection sensor

UB250-F77-F-V31

Technical data

General specifications

Sensing range

35 ... 250 mm

Dead band

0 ... 35 mm

Standard target plate

20 mm x 20 mm

Transducer frequency

approx. 400 kHz

Response delay

≤ 50 ms

Nominal ratings

Time delay before availability tv

≤ 150 ms

Limit data

Permissible cable length

max. 300 m

Indicators/operating means

LED yellow

object inside the scanning range

Electrical specifications

Rated operating voltage Ue

24 V DC

Operating voltage UB

20 ... 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 : UB or open input (Teach-In inactive)

Model Number

Input impedance

16 kΩ

UB250-F77-F-V31

Pulse length

≥ 3 s

Output

Ultrasonic direct detection sensor

Output type

Frequency output , PNP

Rated operating current Ie

100 mA , short-circuit/overload protected

Features

Resolution

Standard 2 Hz / mm

Repeat accuracy

± 2.5 %

•

Miniature design

Off-state current Ir

≤ 0.01 mA

•

Frequency output

Output frequency

frequency : 70 ... 500 Hz ( 35 ... 250 Hz ) , adjustable

Temperature influence

+ 0.17 %/K

•

Program input

Ambient conditions

• Degree of protection IP67

Ambient temperature

-25 ... 70 °C (-13 ... 158 °F)

Storage temperature

-40 ... 85 °C (-40 ... 185 °F)

• Switching status indicator, yellow

Shock resistance

30 g , 11 ms period

Vibration resistance

10 ... 55 Hz , Amplitude ± 1 mm

LED

Mechanical specifications

Connection type

M8 x 1 connector , 4-pin

Diagrams

Degree of protection

IP67

Material

Characteristic response curve

Transducer

epoxy resin/hollow glass sphere mixture; polyurethane foam

Housing

Polycarbonate

Distance Y [mm]

Installation position

any position

50

Mass

10 g

40

Tightening torque, fastening screws

max. 0.2 Nm

30

Compliance with standards and

20

directives

Standard conformity

10

Standards

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

0

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

-10

-20

Approvals and certificates

-30

UL approval

cULus Listed, General Purpose

-40

CSA approval

cCSAus Listed, General Purpose

-50

0

50

100

150

200

250

300

CCC approval

CCC approval / marking not required for products rated

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Distance X [mm]

≤36 V

Y

X

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

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Ultrasonic direct detection sensor

Dimensions

12

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M8 x 1

23

3.2

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3	14
	17

Electrical Connection

1

+UB 2

ET (Frequency selection)

4

Frequency output

3

-UB

Pinout

2	4
1	3

Wire colors in accordance with EN 60947-5-2

1	BN	(brown)
2	WH	(white)
3	BU	(blue)
4	BK	(black)

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

UB250-F77-F-V31

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