Turck BIM-UNT-AY1X/S1139 Data Sheet
Magnetic Field Sensor
for pneumatic cylinders
BIM-UNT-AY1X/S1139
Type designation BIM-UNT-AY1X/S1139
Ident-No. 4685763
Pass speed
Repeatability
Temperature drift
Hysteresis
Ambient temperature -25…+70 °C
ð 10 m/s
ð ± 0.1 mm
ð 0.1 mm
ð 1 mm
■ ATEX category II 1 G, Ex Zone 0
■ ATEX category II 1 D, Ex Zone 20
■ For T-groove cylinders without mount-
ing accessories
■ Optional accessories for mounting on
other cylindrical housings.
■ One-hand mounting possible
■ Fine adjustment tool and stopper direct-
ly mountable on the sensor
■ Stable mounting
■ Long overtravel
■ For large cylinders
■ DC 2-wire, nom. 8.2 VDC
■ Output acc. to DIN EN 60947-5-6 (NA-
MUR)
■ Output with rectangular signal
■ NO contact
■ Cable connection
Wiring Diagram
Output function 2-wire, NAMUR
Switching frequency 1 kHz
Voltage Nom. 8.2 VDC
Current consumption non-actuated
Actuated current consumption
Approval acc. to KIWA 16 ATEX 0051 X
Design Rectangular,UNT
Dimensions 28 x 5 x 6 mm
Housing material Plastic, PP
Active area material Plastic, PP
Tightening torque fixing screw 0.4 Nm
Electrical connection Cable
Cable quality 3mm, Blue, Lif9YYW, PVC, 2
Cable cross section
Vibration resistance 55 Hz (1 mm)
Shock resistance 30 g (11 ms)
Protection class IP67
MTTF 2283 years acc. to SN 29500 (Ed. 99) 40 °C
Packaging unit 1
Mounting on the following profiles .
Cylindrical design
Switching state LED,Yellow
Included in delivery cable clip
ð 1.2 mA
ï 2.1 mA
2 x 0.14 mm
E N K F
2
Functional principle
Magnetic field sensors are activated by magnetic fields and are especially suited for piston position detection in pneumatic cylinders.
Based on the fact that magnetic fields can
permeate non-magnetizable metals, it is possible to detect a permanent magnet attached
to the piston through the aluminium wall of the
cylinder.
Edition • 2018-03-19T20:41:18+01:00
1 / 6 TURCK Inc.
Magnetic Field Sensor
for pneumatic cylinders
BIM-UNT-AY1X/S1139
Mounting instructions/Description Mounting instructions
Thanks to the mounting lip, the sensor can be insert-
ed into the groove from above with one hand. Mount
the sensors as follows using the patented wing screw:
The wing screw and the female thread feature a left-
hand thread. Two small plastic lips keep the screw in
position, ready-to-install. Turn the screw clockwise.
The screw moves out of the thread and hits the upper
grooves with the wings. The sensor is thus pressed
down and locked in position. A few degrees up to ap-
proximately 1.5 turns of the screw with a slotted screw-
driver (blade width 0.5 mm) or a 1.5 mm Allen key are
sufficient to ensure vibration-proof fastening, depend-
ing on the shape of the slot. A tightening torque of 0.4
Nm is sufficient for safe mounting without damaging the
cylinder. The sensor can now withstand an axial and ra-
dial tensile load of F=100N applied on the cable. A ca-
ble clip is included in the scope of delivery. It enables
smooth cable routing in the groove and ensures that
the cable is fastened as securely as possible. The cor-
responding accessories for mounting on other cylindri-
cal housings must be ordered separately.
Edition • 2018-03-19T20:41:18+01:00
2 / 6 TURCK Inc.
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