Leuze HTU318 Data Sheet

10 - 30 V

DC

IP 67

IEC 60947...

IEC 60947...

HTU318 Ultrasonic sensors with 2 switching outputs

Dimensioned drawing

en 01-2017/02 50135816

50 … 400mm

150 … 1600mm

 Function largely independent of surface

properties, ideal for detection of liquids,
bulk materials, transparent media, …

 Small dead zone at long scanning range
 Adjustment of the switching point can be

taught

 NO/NC function reversible
 2 independent switching outputs

(PNP or NPN)

 NEW – Both outputs can easily be taught

using a button

 NEW – Stable plastic design
 NEW – Temperature-compensated

scanning range

Accessories:

(available separately)

 Mounting systems
 Mounting adapter M18-M30:

BTX-D18M-D30 (Part no. 50125860)

 Cables with M12 connector

(KD …)

A Active sensor surface
B Teach-in button
C Indicator diodes

Electrical connection

We reserve the right to make changes • PAL_HTU318_400_1600_2SWO_en_50135816.fm

Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen Tel. [phone]

HTU318-400…-M12 - 01

HTU318-1600…-M12 - 01

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (plate 200x 200mm)

-100

-50

0

50

100

0 100 200 300 400 500

y1

y2

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (rod Ø 25 mm)

y1

y2

-300

-200

0

100

-100

200

300

0 400 800 16001200

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (plate 200x 200mm)

y1

y2

-300

-200

0

100

-100

200

300

0 400 800 16001200

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (rod Ø 25 mm)

Object distance [mm]

Target (fixed):

plate or rod

Sound cone

= f (α,x)

HTU318

Technical data

Ultrasonic specifications HTU318-400.3/…-M12 HTU318-1600.3/…-M12

Scanning range
Adjustment range 50 … 400mm 150 … 1600mm
Ultrasonic frequency 300kHz 230kHz
Typ. opening angle 8° ± 2 ° 8° ± 2 °
Resolution <2mm <2mm
Direction of beam Axial Axial
Reproducibility ± 0.5%
Switching hysteresis 1% 3) 1%
Temperature drift ≤ 5%

Timing

Switching frequency 10Hz 2Hz
Response time 500ms 250ms
Readiness delay < 500ms < 500 ms

Electrical data

Operating voltage U
Residual ripple ± 7% of U
Open-circuit current ≤ 50mA
Switching output / Function …/4P… 2 independent PNP transistor switching outputs

Output current Max. 100 mA
Switching range adjustment 1-point teach: teach-in button 2 … 7s,

Changeover
NO/NC

Indicators

Yellow LED OUT1: object detected
Blue LED OUT2: object detected
Flashing yellow or blue LED Teach-in
Flashing green and yellow/blue LEDs Teaching error
Green LED Object within the scanning range

Mechanical data

Housing Plastic (PBT)
Active surface Epoxy resin, glass fiber reinforced
Weight 70g

Ultrasonic transducer Piezoceramic

Connection type M 12 connector, 5-pin
Fitting position Any

Environmental data

Ambient temp. (operation/storage) -20° … +70°C/-20° … +70°C
Protective circuit
VDE protection class III
Degree of protection IP 67
Standards applied EN 60947-5-2
Certifications UL 508, CSA C22.2 No.14-13

1) At 20°C

2) Target: 200mm x 200 mm plate

3) From end value

4) Over the temperature range -20°C … +70°C

5) For UL applications: use is permitted exclusively in Class 2 circuits according to NEC

6) The ceramic material of the ultrasonic transducer contains lead zirconium titanate (PZT)

7) 1=short-circuit and overload protection, 2=polarity reversal protection, 3=wire break and inductive protection

8) These proximity switches shall be used with UL Listed Cable assemblies rated 30V, 0.5 A min,
in the field installation, or equivalent (categories: CYJV/CYJV7 or PVVA/PVVA7)

1)

5)

B

50 … 400mm 2)

1) 3)

4)

150 … 1600mm 2)

±0.5% 1)

3)

≤ 5% 4)

10 … 30V DC (incl. ± 7% residual ripple)

B

3)

OUT 1 (pin 4): NO contact preset

…/2N… 2 independent NPN transistor switching outputs

OUT 2 (pin 5): NC contact preset

OUT 1 (pin 4): NO contact preset
OUT 2 (pin 5): NC contact preset

2-point teach: teach-in button 7 … 12s
Teach-in button > 12s

6)

7)

1, 2, 3

5) 8)

Diagrams

HTU318-400.3/…-M12

100

50

0

-50

-100
0 100 200 300 400 500

HTU318-1600.3/…-M12

y2

y1

HTU318-400…-M12 - 01 2017/02
HTU318-1600…-M12 - 01

Notes

Observe intended use!

 This product is not a safety sensor

and is not intended as personnel
protection.

 The product may only be put into

operation by competent persons.

 Only use the product in accor-

dance with its intended use.

HTU318 Ultrasonic sensors with 2 switching outputs

Part number code

HTU318-1600 . 3 /4PK-M12

Operating principle
HTU Ultrasonic sensor, scanning principle, with background suppression
DMU Ultrasonic sensor, distance measurement
RKU Ultrasonic sensor, retro-reflective ultrasonic sensor

Series
318 318 series, cylindrical short M18 design

Scanning range in mm
400 50 … 400
1600 150 … 1600

Equipment
.3 Teach button on the sensor

Pin assignment of connector pin 4 / black cable wire (OUT1)
4 PNP output, NO contact preset
P PNP output, NC contact preset
2 NPN output, NO contact preset
N NPN output, NC contact preset

Pin assignment of connector pin 2 / white cable wire (Analog OUT/OUT2)
4 PNP output, NO contact preset
P PNP output, NC contact preset
2 NPN output, NO contact preset
N NPN output, NC contact preset
C Analog output 4 … 20 mA
V Analog output 0 … 10 V

Pin assignment of connector pin 5 / gray cable wire (Sync / MUX)
K Synchronization/multiplex input

Connection technology
M12 M12 connector, 5-pin

Order guide

The sensors listed here are preferred types; current information at www.leuze.com.

Designation Part no.

Scanning range / switching output / teach-in

50 … 400mm / 2 x PNP / teach button HTU318-400.3/4PK-M12 50136082
50 … 400mm / 2 x NPN / teach button HTU318-400.3/2NK-M12 50136083
150 … 1600mm / 2 x PNP / teach button HTU318-1600.3/4PK-M12 50136088
150 … 1600mm / 2 x NPN / teach button HTU318-1600.3/2NK-M12 50136089

Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen Tel. [phone] HTU318-400…-M12 - 01

HTU318-1600…-M12 - 01