MICRO-EPSILON NLS3181 User manual

SENSORS & SYSTEMS

MICRO-EPSILON

Authority in Displacement Measurement

Instruction Manual

Non Contact Compact

Displacement Measuring System

on Eddy Current rinciple

NLS3181

MICRO-EPSILON

MESSTECHNIK

GmbH & Co. KG

Königbacher Strasse 15

D-94496 Ortenburg

el. +49/85 42/1 68-0

Fax +49/85 42/1 68-90

e-mail [email protected]

www.micro-epsilon.com

Zertificated acc. to DIN EN ISO 9001: 2000

X9751115-A030094MSC

Contents

1. Safety ................................................................... 5

1.1 Symbols Used ......................................................................5

1.2 Warnings............................................................................... 5

1.3 Notes on CE Identification ................................................... 5

1.4 Proper Use ...........................................................................6

1.5 Proper Environment .............................................................6

2. System Descr pt on ............................................. 7

2.1 Area of Application ...............................................................7

2.2 Measuring Principle ..............................................................7

2.3 Structure of the Complete Measuring System .....................7

2.4 Glossary................................................................................8

3. Techn cal Data ..................................................... 9

4. Installat on and Assembly ................................ 10

4.1 Precautions.........................................................................10

4.2 Sensor ................................................................................10

4.3 Sensor Cables ....................................................................11

4.4 Controller ............................................................................12

4.6 System Adjustment ............................................................13

5. Operat on ........................................................... 13

5.1 Control Elements ................................................................15

5.2 Calibration ..........................................................................15

6. El m nat ng Errors ............................................. 16

7. Accessor es ....................................................... 16

8. Warranty ............................................................ 17

X9751115-A030094MSC

X9751115-A030094MSC 5

1. Safety

he handling of the system assumes knowledge of the instruction manual.

1.1 Symbols Used

he following symbols are used in this instruction manual:

DANGER! - imminent danger

WARNING! - potentially dangerous situation

IMPORTANT! - useful tips and information

1.2 Warn ngs

 Avoid banging and knocking the electronics / sensors

ðDamage to or destruction of the electronics / sensors

 Power supply must be connected in accordance with the safety regulations

for electrical equipment

ðDanger of injury

ðDamage to or destruction of the sensor safety

 Protect the cables against damage

ðFailure of the measuring device

1.3 Notes on CE Ident f cat on

he following applies to NLS3181:

EU regulation 89/336/EEC

Products which carry the CE mark satisfy the requirements of the EU regulati-

on EU 89/336/EEC Electromagnetic Compatibility and the European stan-

dards (EN) isted therein.

he EU declaration of conformity is kept available according to EU regulation,

article 10 by the authorities responsible at

MICRO-EPSILON MESS ECHNIK

GmbH & Co. KG

Königbacher Straße 15

94496 Ortenburg

Safety

6 X9751115-A030094MSC

he NLS3181 is designed for use in industry and satisfy the requirements of

the standards

 EN 50 081-2 RFI emission

 EN 61000-6-2 Immunity to interference

he system satisfy the requirements if they comply with the regulations descri-

bed in the instruction manual for installation and operation.

1.4 Proper Use

 he NLS3181 is designed for use in industrial areas.

 It is used for machine supervision and for measuring and testing in process

quality assurance.

 he system may only be used in such a way that does not endanger per-

sons or cause damage to the machine due to malfunctions or total failure of

the system.

 Additional precautions for safety and damage prevention must be taken for

safety-related applications.

1.5 Proper Env ronment

 Protection class

Sensor: IP 65

Controller: IP 54

 Operating temperature

Sensor and sensor cable: -50 to +150 °C (-58 to +302 °F)

Controller: +10 to +65 °C (+50 to +149 °F)

 Humidity: 5 - 95 % (no condensation)

 Ambient pressure: atmospheric pressure

 Power supply: 24 VDC (9 ... 36 VDC)

 Storage temperature: -25 to +75 °C (-13 to +167 °F)

Safety

X9751115-A030094MSC 7

IMPORTANT!

he components are mat-

ched.

he allocation of the sensor

and the controller determi-

ned by the serial number.

System Description

2. System Descr pt on

2.1 Area of Appl cat on

he NLS3181 non-contact, compact displacement measuring systems are de-

signed for industrial applications to measure the movement of injection need-

les.

2.2 Measur ng Pr nc ple

he NLS3181 displacement measuring system operates without contact using

eddy current technology. It is used for making measurements on targets made

of ferromagnetic electrically conductive materials.

High-frequency alternating current flows through a coil cast in a sensor casing.

he electromagnetic coil field induces eddy currents in the conductive target

thus changing the ac resistance of the coil. his change in impedance is inter-

pretted by demodulation electronics which generate an electrical signal pro-

portional to the distance of the target from the sensor.

A patented electronic compensation technique reduces temperature-depen-

dent measuring errors to a minimum.

2.3 Structure of the Complete Measur ng System

he NLS3181 non-contact single channel displacement measuring system

(Fig. 2.1) consists of:

- Sensor LS04

- Connecting cable C3/1

- Signal conditioning electronics (controller)

built into a compact aluminium housing

- Power supply and output cable PC3/4

Sensor

connection

Power supply

Signal output

8 X9751115-A030094MSC

System Description

2.4 Glossary

SMR Start of measuring range. Minimum overlapping between sensor and

the injection needle groove.

MMR Midrange

EMR End of measuring range. Maximum overlapping between sensor and

the injection needle groove.

-5 V

+5 V

Signal

Sensor

SMR MMR EMR

Displacement

Injection

needle

X9751115-A030094MSC 9

echnical Data

3. Techn cal Data

ledomrosneS40SL

rellortnoC1813SLN

egnargnirusaeMRM)"610.(mm4.0

RMSegnargnirusaemfotratS )"800.(mm2.0-

RMEegnargnirusaemfodnE)"800.(mm2.0+

ytiraeniL ≤OSF%5.1±

noituloseRcitats

cimanyd

)slim200.0(mµ50.0

)slim20.0(mµ5.0

esnopserycneuqerF)Bd3-(zHk001

ytilibataepeRcitatsOSF%50.0±

gnitarepO

erutarepmet

rosneS

elbaC+

C°051+...01+

)F°203+...05+(

rellortnoCC°56+...01+

)F°941+...05+(

erutarepmetegarotS C°57+...52-

)F°761+...31-(

ytilibatserutarepme ≤(C°/OSF%50.0± ≤)F°/OSF%30.0±

ssalcnoitcetorProsneS

elbaC+ 56PI

rellortnoC45PI

elbacrosneshtgneLdradnatS

noisnetxE

,)%51±(m5.0

)%51±(m3

elbacrosneslairetaM)nolfet(EFP

tuptuolangiS CDV5+...CDV5-

ylppusrewoP )CDV63...CDV9(CDV42+

ytilibitapmoccitengamortcelE 2-6-00016NE/2-18005NE.cca

he specified technical data apply for the reference material mild steel St37

DIN1.0116 at 20 °C.

FSO = Full Sale Output

10 X9751115-A030094MSC

4. Installat on and Assembly

4.1 Precaut ons

No sharp or heavy objects should be allowed to affect the cable sheath of the

sensor cable, the supply cable and of the output cable. All plug-in connections

must be checked for firm seating before starting operation.

4.2 Sensor

ype designation: LS04

Construction: he front part of the sensor with encapsulated coil

consists of electrically non-conducting materials.

Important: In the radial direction metal parts in the vicinity may

behave similar to the measurement object,

rendering the measurement result inaccurate.

Legend:

(inches)

Installation and Assembly

Fig. 4.2: Bonding the sensor into the injection body

IMPORTANT!

he sensor needs to be

bonded into the injection

body for high pressure

applications.

Fig. 4.1: Sensor Dimensions LS04 with integral cable

3.42 (.13)

2.42 (.10)

ø2.6

(.10)

ø0.5 (.02)

-0.05

R 0.1

70 ° ±0.2 °

Integral cable

length: 500 (20)

Honed

ø3.5

(.14)

Injection body Sensor LS04 Mounting screw

Cold-cured adhesive

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