Pepperl+Fuchs UB250-F77-F-V31 Ultrasonic direct detection sensor

Pepperl+Fuchs UB250-F77-F-V31
Item Number: UB250-F77-F-V31
  • Miniature design
  • Frequency output
  • Program input
  • Degree of protection IP67
  • Switching status indicator, yellow LED
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  • Datasheet
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Dead band0 ... 35 mm
Storage temperature-40 ... 85 В°C (-40 ... 185 В°F)
Permissible cable lengthmax. 300 m
Connection typeM8 x 1 connector , 4-pin
Installation positionany position
Vibration resistance10 ... 55 Hz , Amplitude В± 1 mm
Off-state current 0.01 mA
UL approvalcULus Listed, General Purpose
Output typeFrequency output , PNP
Ambient temperature-25 ... 70 В°C (-13 ... 158 В°F)
No-load supply current 20 mA
Output frequencyfrequency : 70 ... 500 Hz ( 35 ... 250 Hz ) , adjustable
Shock resistance30 g , 11 ms period
Operating voltage20 ... 30 V DC , ripple 10 %SS ; 12 ... 20 V DC sensitivity reduced to 90 %
Degree of protectionIP67
Response delay 50 ms
Tightening torque, fastening screwsmax. 0.2 Nm
Input impedance16 kandOmega;
Pulse length 3 s
ResolutionStandard 2 Hz / mm
Repeat accuracyВ± 2.5 %
CCC approvalCCC approval / marking not required for products rated 36 V
Transducer frequencyapprox. 400 kHz
Input type1 program input
Temperature influence+ 0.17 %/K
Rated operating current100 mA , short-circuit/overload protected
LED yellowobject inside the scanning range
Levellow level : 0 ... 0.7 V (Teach-In active)
high level : UB or open input (Teach-In inactive)
Mass10 g
Time delay before availability 150 ms
Rated operating voltage24 V DC
Standard target plate20 mm x 20 mm
Sensing range35 ... 250 mm

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