Turck LTX Series Manuale utente

Your Global Automation Partner

Operating instructions

LTX

Linear Position Sensors

with SSI Interface

2 Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com

Contents

2019/02

1 About These Instructions 5

1.1 Target groups 5

1.2 Explanation of symbols 5

1.3 Other documents 5

1.4 Feedback about these instructions 5

2 Information About the Product 6

2.1 Product identication 6

2.2 Scope of delivery 7

2.3 Legal requirements 7

2.4 Manufacturer and service 7

3 For your Safety 7

3.1 Intended use 7

3.2 General safety information 8

4 Product Description 9

4.1 Device overview 9

4.1.1 Display elements 9

4.2 Properties and features 10

4.3 Operating principle 10

4.4 Functions and operating modes 10

4.4.1 Automatic signal control 11

4.4.2 Update mode 11

4.4.3 Measuring functions 12

4.4.4 Preferred type LTX…M-F10-SSI2-GAF1-X3-H1161 – Measuring range 12

4.5 Technical accessories 13

5 Mounting 15

5.1 Mounting the device in a hydraulic cylinder 16

5.1.1 Mounting the sensor 16

5.2 Fastening the device externally with a mounting bracket 17

5.2.1 Fitting additional mounting elements (for external mounting) 18

5.2.2 Mounting positioning elements (for external mounting) 18

6 Connection 19

6.1 Wiring diagram 19

7 Commissioning 20

8 Operation 20

8.1 LED display 20

9 Troubleshooting 21

9.1 Replacing the sensor head and measuring element 21

10 Maintenance 21

11 Repair 22

11.1 Returning devices 22

12 Disposal 22

13 Technical Data 23

13.1 Update time 23

Contents

4 Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com

2019/02

1 About These Instructions

These operating instructions describe the structure, functions and the use of the product, and

will help you to operate the product as intended. Read these instructions carefully before using

the product. This will prevent the risk of personal injury or damage to property or the device.

Retain these instructions for future use during the service life of the product. If the product is

passed on, ensure that these instructions are handed over as well.

1.1 Target groups

These instructions are intended for qualified personnel and must be read carefully by anyone

mounting, commissioning, operating, maintaining, dismantling or disposing of the device.

1.2 Explanation of symbols

The following symbols are used in these instructions:

DANGER

DANGER indicates an imminently hazardous, high-risk situation which, if not avoided,

will result in death or serious injury.

WARNING

WARNING indicates a potentially hazardous, medium-risk situation which, if not

avoided, could result in death or serious injury.

CAUTION

CAUTION indicates a situation that may result in property damage if not avoided.

NOTE

NOTE indicates tips, recommendations and important information. The notes will facili-

tate work, provide more information on specific actions and help prevent additional

work due to incorrect processes.

CALL TO ACTION

This symbol denotes action steps that the user must perform.

ACTION RESULT

This symbol denotes the relevant results of actions and action sequences.

1.3 Other documents

In addition to this document, the following material can be found on the Internet at

www.turck.com:

■Data sheet

■EU declaration of conformity

1.4 Feedback about these instructions

We make every effort to ensure that these instructions are as informative and as clear as pos-

sible. If you have any suggestions for improving the design or if any information is missing from

the instructions, please send your suggestions to techdoc@turck.com.

6 Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com

Information About the Product

2 Information About the Product

2.1 Product identication

NOTE

■Designs with manufacturer-compatible connectors as well as models with customer-

specific blind zones are available on request.

■LTX…M-F10-SSI2-GAF1-X3-H1161 devices are the preferred type.

LTX 100 M Magnetostrictive

position sensor –

Unit

M Millimeter

E Inch

Measuring range

100 from 25 to 7500 mm

or 1 to 300“

Operating principle

LTX Linear position sensor

LTX 100 M – F10 – SSI 2 – G A F 1 – X3 – H1 1 6 1

F10 Design –

Design

F10 Flat face, rod Ø 10.3 mm,

sensor head made from

aluminum*

R10 Raised face, rod Ø 10.3 mm,

sensor head made from

aluminum

EF10 Flat face, rod Ø 10.3 mm,

sensor head made from

stainless steel

ER10 Raised face, rod Ø 10.3 mm,

sensor head made from

stainless steel

SSI 2 – G A F 1 – X3 Electrical version –

Number of LEDs

X3 3-color LED

Resolution

10.005 mm*

20.01 mm

30.05 mm

40.1 mm

50.02 mm

60.002 mm

70.001 mm

Direction

Fforward*

Rbackward

Vvelocity

Data type

Ssynchronous

Aasynchronous*

Data format

Bbinary

Ggray*

Data length

124 bit

225 bit*

326 bit

Data mode

H1 1 6 1 Electrical connection:

Male

Assignment

1Standard assignment

Number of contacts

66-pin

Connector type

1straight

Connector type

H1 Male connector M12 x 1

* Preference type

2019/02

2.2 Scope of delivery

The following are included in the scope of delivery:

■Linear position sensor (without positioning element)

■Quick Start Guide

2.3 Legal requirements

The device is subject to the following EU directives:

■2014/30/EU (electromagnetic compatibility)

2.4 Manufacturer and service

Turck provides you with support and assistance for your projects — from the initial analysis to

commissioning your application. The Turck product database contains software tools for pro-

gramming, configuration and commissioning, as well as data sheets and CAD files in numerous

export formats. You can access the product database at the following address:

www.turck.de/products/

Should you have any further questions, please contact the sales and service team in Germany

on the following telephone numbers:

Sales: +49 208 4952-380

Technology: +49 208 4952-390

Outside Germany, please contact your Turck representative.

Hans Turck GmbH & Co. KG

Witzlebenstraße 7

45472 Mülheim an der Ruhr

Germany

3 For your Safety

The product is designed in accordance with the latest standards. However, residual risks still

exist. Observe the following warnings and safety information to prevent personal injury or

damage to property. Turck accepts no liability for damage caused by failure to observe these

warning and safety instructions.

3.1 Intended use

The devices are intended solely for use in industrial areas.

The magnetostrictive linear position sensors are used for contactless and wear-free linear posi-

tion detection. The devices are suitable for use in hydraulic cylinders. By adding float magnets

(available as an option), the devices can also be used for level measurement. The measuring

range is adjustable.

The devices must be used only as described in these instructions. Any other use is not in accor-

dance with the intended use. Turck accepts no liability for any resulting damage.

8 Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com

For your Safety

3.2 General safety information

■The devices are not safety components and must not be used for personal or property

protection.

■The device must be mounted, installed, operated, parameterized and maintained only by

trained and qualified personnel.

■The device complies exclusively with the EMC requirements for industrial applications and is

not suitable for use in residential areas.

2019/02

4 Product Description

The linear position sensors with SSI interface provide a serial synchronous interface output

signal (SSI) proportional to the position of the positioning element. Different device variants

enable the following measuring functions to be performed:

■Position measurement, forward measuring direction

■Position measurement, backward measuring direction

■Speed measurement

The devices can be connected using an M12 plug connector. All devices feature a rod design

with IP68 protection. The devices operate without contact, which requires the use of a position-

ing element approved by Turck (see Accessories).

The devices operate on an absolute basis; power outages do not necessitate renewed zero off-

set adjustment or recalibration. All position values are determined as absolute values; reference

runs after a voltage drop are unnecessary.

4.1 Device overview

Fig. 1: Device dimensions of LTX…M… with standard blind zones (in mm)

4.1.1 Display elements

Each device has a 3-color LED for indicating the operating state and for fault diagnostics (see

8.1 LED display).

44.5

ø 44.5

ø 10.3

M18 x 1.5 x 25

M12 x 1

81.3

63.5

Blind zone

50.8

Blind zone

Measuring

range

10 Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com

Product Description

4.2 Properties and features

■SSI output

■Automatic signal control

■7…30 VDC supply voltage

■Low power consumption

■High shock and vibration resistance

■Protection class IP68

■16-bit resolution

■Status display via 3-color LED

■Sensor and pressure pipe can be replaced separately

■M12 connector

4.3 Operating principle

Turck LTX sensors utilize the magnetostrictive principle. A "waveguide" is located in the measur-

ing probe of the linear position sensor. If a current signal generated at the waveguide encoun-

ters the externally applied magnetic field of the positioning element, mechanical feedback is

produced in the waveguide. This feedback is evaluated in the sensor head and output as posi-

tion information.

4.4 Functions and operating modes

The devices have an SSI interface according to the RS422 standard. The process value is trans-

ferred via the interface either directly to the higher-level controller (with SSI card) or to a field-

bus device.

Fig. 2: Block diagram of the sensor control

The location of the positioning element on the sensor measuring probe is determined by

means of a propagation time measurement and transmitted to the controller via the SSI inter-

face. All position values are determined as absolute values; reference runs after a voltage drop

are unnecessary.

+7…30 V

0 V

SSI Clock (+)

SSI Clock (–)

SSI Data (+)

SSI Data (–)

Input

Power

Supply

SSI Shift Register and Controller

Output Data Format Conversion

SSI Logic Diagram

Position Measurement

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