Leuze DMU318 Data Sheet

10 - 30 V

DC

4...20 mA

0...10

V

IP 67

IEC 60947...

IEC 60947...

DMU318 Ultrasonic sensors with analog output

Dimensioned drawing

en 01-2017/02 50111303

40 … 300mm

80 … 1200mm

 Function largely independent of surface

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

 Small dead zone at long scanning range
 1 analog output 0 … 10V or 4 … 20mA
 Teachable characteristic curve
 Extra short construction
 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 …)

 Teach adapter PA1/XTSX-M12

(Part no. 50124709)

We reserve the right to make changes • PAL_DMU318_300_1200_en_50111303.fm

A Active sensor surface
B Indicator diodes

Electrical connection

Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen

DMU318-300…-M12 - 01

DMU318-1200…-M12 - 01

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (plate 100x 100mm)

-100

-50

0

50

100

0 50 100 150 200 250 300 350

y1

y2

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (rod Ø 25 mm)

-200

-100

0

100

200

0 200 400 600 800 140012001000

y1

y2

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (plate 100x 100mm)

-200

-100

0

100

200

0 200 400 600 800 140012001000

y1

y2

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)

DMU318

Technical data

Ultrasonic specifications DMU318-300/…-M12 DMU318-1200/…-M12

Scanning range
Adjustment range 40 … 300mm 80 … 1200mm
Ultrasonic frequency 300kHz 200kHz
Typ. opening angle 7° ± 2 ° 8° ± 2 °
Resolution <2mm <2mm
Direction of beam Axial Axial
Reproducibility ± 0.5%
Switching hysteresis 1% 3) 1%
Temperature drift ≤ 5%

Timing

Readiness delay < 100ms < 100ms

Electrical data

Operating voltage U
Residual ripple ± 5% of U
Open-circuit current ≤ 35 mA
Analog output …/C…

Load resistance Current output: R

Characteristic curve adjustment 1-point teach: teach-in (pin 2) 2 … 7s to GND,

Analog output error signal Distance too small: approx. 3.8 mA,

Indicators

Yellow LED Analog OUT: object detected
Yellow and green LEDs flash Teach-in / teaching error
Green LED Object within the scanning range

Mechanical data

Housing Plastic (PBT)
Active surface Epoxy resin, glass fiber reinforced
Weight 65g

Ultrasonic transducer Piezoceramic

Connection type M 12 connector, 4-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: 100mm x 100 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

40 … 300mm 2)

1) 3)

4)

80 … 1200mm 2)

±0.5%

3)

≤ 5% 4)

10 … 30V DC (incl. ± 5% residual ripple)

B

1) 3)

1 analog output 4 … 20mA

…/V…

1 analog output 0 … 10V

Voltage output: RL≥ 2kΩ

2-point teach: teach-in (pin 2) 7 … 12s to GND,
Characteristic curve inversion: teach-in (pin 2) > 12s to GND

≤ 500 Ω,

L

Distance too large: approx. 11V / approx. 21mA

6)

7)

1, 2, 3

5) 8)

Diagrams

DMU318-300/…-M12

100

50

0

-50

-100
0 50 100 150 200 250 300 350

DMU318-1200/…-M12

y2

y1

DMU318-300…-M12 - 01 2017/02
DMU318-1200…-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.