Turck BI5U-EM18M-AD4X Data Sheet
Inductive sensor
BI5U-EM18M-AD4X
Type designation BI5U-EM18M-AD4X
Ident-No. 4405205
■ M18 × 1 threaded barrel
■ Stainless steel, 1.4301
■ Factor 1 for all metals
■ Resistant to magnetic fields
■ DC 2-wire, 10…65 VDC
■ NO contact
■ Cable connection
Wiring Diagram
Rated switching distance Sn 5 mm
Mounting conditions Flush
Secured operating distance
Repeat accuracy
Temperature drift
Hysteresis 3…20 %
Ambient temperature -25…+70 °C
Operating voltage 10…65 VDC
Residual ripple
DC rated operational current
Residual current
Isolation test voltage
Short-circuit protection yes/ Cyclic
Voltage drop at I
Smallest operating current I
Switching frequency 0.01 kHz
Design Threaded barrel,M18 × 1
Dimensions 64 mm
Housing material Stainless steel, V2A (1.4301)
Active area material Plastic, PBT
End cap Plastic, EPTR
Max. tightening torque housing nut 25 Nm
Electrical connection Cable
Cable quality 5.2mm, LifYY, PVC, 2
Cable cross section
Vibration resistance 55 Hz (1 mm)
Shock resistance 30 g (11 ms)
Protection class IP68
MTTF 874 years acc. to SN 29500 (Ed. 99) 40 °C
Packaging unit 1
e
m
ð (0,81 x Sn) mm
ð 2 % of full scale
ð ± 10 %
ð ± 15 %, ð -25 °C v ï +70 °C
ð 10 % U
ss
ð 100 mA
ð 0.8 mA
ð 0.5 kV
ð 5 V
ï 3 mA
2 x 0.34 mm
2
Functional principle
Inductive sensors detect metal objects contactless and wear-free. Due to the patented
multi-coil system, uprox®+ sensors have distinct advantages compared to conventional
sensors. They excel in largest switching distances, maximum flexibility and operational
reliability as well as efficient standardization.
Switching state LED,Yellow
Edition • Rev. A • 2018-04-20T17:45:30+02:00
1 / 3 TURCK Inc.
Inductive sensor
BI5U-EM18M-AD4X
Distance D 2 x B
Distance W 3 x Sn
Distance T 3 x B
Distance S 1.5 x B
Distance G 6 x Sn
Diameter active area B Ø 18 mm
All flush mountable uprox®+ threaded barrel types are
also recessed mountable. Safe operation is ensured if
the sensor is screwed in by half a turn.
The use of isolating switching amplifiers is possible, be-
cause uprox®+ 2-wire DC sensors operate with 8 VDC
low voltage (limited load current 50mA).
The sensors can be operated with the Turck remote I/
O fieldbus system BL20. If the sensors are combined
with a BL20-4DI-NAMUR slice, events of wire-break or
short-circuit can be detected immediately.
Edition • Rev. A • 2018-04-20T17:45:30+02:00
2 / 3 TURCK Inc.
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