Elgo IMAX Series Manual de usuario

Operating Manual

SERIES IMAX

Magnetic, Self-Referencing Pseudo-Absolute Linear Encoder

Pseudo-absolute measurement by self-referencing

Resolution 1mm and repeat accuracy ±1 mm

Suitable for storage and conveyor technology

Long measuring distances up to 1048 m possible

CANopen standard (DS406 encoder profile)

or SSI (binary or Gray) interface

Robust housing for use in harsh environments

Wear-free and contactless measuring principle

Insensitive against dust, dirt and water

799000870 / Rev. 1 / 2019-05-09

Translation of the original operating manual

- 2 -

Publisher

ELGO Electronic GmbH & Co. KG

Carl-Benz-Str. 1

D-78239 Rielasingen-Worblingen

Technical Support

+49 (0) 7731 9339 - 0

+49 (0) 7731 2 88 03

[email protected]

Document- No.

799000870

Document- Name

IMAX-00-MA-E_19-19

Document- Revision

Rev. 1

Issue Date

2019-05-09

Contents

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1Contents

1Contents ..................................................................................................... 3

2List of Figures............................................................................................. 4

3List of Tables .............................................................................................. 4

4General, Safety, Transport and Storage .................................................... 5

4.1 Information Operating Manual ........................................................................................... 5

4.2 Explanation of Symbols...................................................................................................... 5

4.3 Statement of Warranties..................................................................................................... 6

4.4 Demounting and Disposal.................................................................................................. 6

4.5 General Causes of Risk ..................................................................................................... 6

4.6 Personal Protective Equipment ............................................................................................ 6

4.7 Conventional Use ............................................................................................................. 7

4.8 Safety Instructions for Transport, Unpacking and Loading ....................................................... 7

4.9 Handling of Packaging Material.......................................................................................... 7

4.10 Inspection of Transport ...................................................................................................... 7

4.11 Storage ........................................................................................................................... 7

5Product Features ........................................................................................ 8

5.1 Functional Principle........................................................................................................... 8

5.2 Available Output Interfaces ................................................................................................ 8

6Technical Data ........................................................................................... 9

6.1 Identification .................................................................................................................... 9

6.2 Dimensions IMAX Sensor.................................................................................................... 9

6.3 Technical Data Sensor ..................................................................................................... 10

6.4 Technical Data Magnetic Tape ......................................................................................... 11

7Installation and First Start-Up ................................................................. 12

7.1 Operating Area .............................................................................................................. 12

7.2 Installation of the Magnetic Tape ...................................................................................... 13

7.3 Magnetic Tape Options BK80 / BK100.............................................................................. 16

7.4 Installation of the Sensor .................................................................................................. 17

7.5 Self-Referencing of the Measuring Range ........................................................................... 18

8Connections and Interfaces...................................................................... 19

8.1 CANopen Interface (CAO0) ............................................................................................. 19

8.2 SSI Interface (SSB0 and SSG0).......................................................................................... 20

9Disturbances, Maintenance, Cleaning ..................................................... 21

9.1 Fault Clearance.............................................................................................................. 21

9.2 Re-start after Fault Clearance ........................................................................................... 21

9.3 Maintenance .................................................................................................................. 21

9.4 Cleaning ....................................................................................................................... 21

Contents

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10 Type Designation ..................................................................................... 22

10.1 Accessories .................................................................................................................... 23

11 Index ........................................................................................................ 27

2List of Figures

Figure 1: Single-track coding of the magnetic tape ...................................................................................... 8

Figure 2: Dimensions IMAX sensor ............................................................................................................. 9

Figure 3: Components of the magnetic tape ............................................................................................. 13

Figure 4: Magnetic tape handling ............................................................................................................ 14

Figure 5: Example BK80.......................................................................................................................... 16

Figure 6: Magnetic tape construction BK80............................................................................................... 16

Figure 7: Magnetic tape construction BK100............................................................................................. 16

Figure 8: Sensor alignment to the magnetic tape ....................................................................................... 17

Figure 9: Mounting tolerances of the sensor.............................................................................................. 18

Figure 10: CANopen interface................................................................................................................. 19

Figure 11: SSI - reading the data ............................................................................................................. 20

3List of Tables

Table 1: Resistance against Chemical Influence......................................................................................... 15

Table 2: Mounting tolerances .................................................................................................................. 18

Table 3: Connections CANopen - (open cable ends) ................................................................................. 19

Table 4: Connections SSI - (open cable ends) ........................................................................................... 20

Table 5: IMAX accessories ....................................................................................................................... 23

General, Safety, Transport and Storage

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4General, Safety, Transport and Storage

4.1 Information Operating Manual

This manual contains important information regarding the handling of the device. For your own safety and operational safety, please ob-

serve all safety warnings and instructions. Precondition for safe operation is the compliance with the specified safety and handling instruc-

tions. Moreover, the existing local accident prevention regulations and the general safety rules at the site of operation have to be observed.

Please read the operating manual carefully before starting to work with the device! It is part of the product and should be kept close to the

device and accessible for the staff at any time. The illustrations in the manual are for better demonstration of the facts. They are not neces-

sarily to scale and can slightly differ from the actual design.

4.2 Explanation of Symbols

Special notes in this manual are characterized by symbols. The notes are introduced by signal words which express the magnitude of danger.

Please follow this advice and act carefully in order to avoid accidents, damage, and injuries.

Warning notes:

DANGER!

This symbol in connection with the signal word “Danger” indicates an immediate danger for the life and health of

persons. Failure to heed these instructions can result in serious damage to health and even fatal injury.

WARNING!

This symbol in connection with the word „Warning” means a possibly impending danger for the life and health of

persons. Failure to heed these instructions can result in serious damage to health and even fatal injury.

CAUTION!

This symbol in connection with the signal word “Caution” indicates a possibly dangerous situation. Failure to heed

these instructions can lead to minor injuries or damage of property.

Special safety instructions:

DANGER!

This symbol in connection with the signal word “Danger” indicates an immediate danger for the life and health of

persons due to voltage.

Failure to heed these instructions can result in serious damage to health and even fatal injury. The operations may

only be carried out by a professional electrician.

Tips and recommendations:

NOTE!

…points out useful tips and recommendations as well as information for an efficient and trouble-free operation.

Reference marks:

Marks a reference to another chapter of this manual.

Marks a reference to another chapter of another document.

General, Safety, Transport and Storage

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4.3 Statement of Warranties

The producer guarantees the functional capability of the process engineering and the selected parameters.

4.4 Demounting and Disposal

Unless acceptance and disposal of returned goods are agreed upon, demount the device considering the safety instructions of this manual

and dispose it with respect to the environment.

Before demounting, disconnect the power supply and secure against re-start. Then disconnect the supply lines physically and discharge

remaining energy. Remove operational supplies and other material.

Disposal: Recycle the decomposed elements: Metal components in scrap metal, Electronic components in electronic scrap, Recycle plastic

components, dispose the remaining components according to their material consistence.

CAUTION!

Wrong disposal causes environmental damages!

Electronic scrap, electronic components, lubricants and other auxiliary materials are subject to special refuse and can

only be disposed by authorized specialists!

Local authorities and waste management facilities provide information about environmentally sound disposal.

Safety

CAUTION!

Please read the operating manual carefully, before using the device! Observe the installation instructions!

Only start up the device if you have understood the operating manual.

The operating company is obliged to take appropriate safety measure.

The initial operation may only be performed by qualified and trained staff.

Selection and installation of the devices as well as their embedding into the controlling system require qualified

knowledge of the applicable laws and normative requirements on the part of the machine manufacturer.

4.5 General Causes of Risk

This chapter gives an overview of all important safety aspects to guarantee an optimal protection of employees and a safe and trouble-free

operation. Non-observance of the instructions mentioned in this operating manual can result in hazardous situations.

4.6 Personal Protective Equipment

Employees have to wear protective clothing during the installation of the device to minimize danger of health.

Therefore:

Change into protective clothing before performing the works and wear them throughout the process.

Additionally observe the labels regarding protective clothing in the operating area.

Protective clothing:

PROTECTIVE CLOTHING

… is close-fitting working clothing with light tear strength, tight sleeves and without distant parts. It serves preliminari-

ly for protection against being gripped by flexible machine parts.

Do not wear rings, necklaces or other jewelry.

PROTECTIVE GLOVES

…for protecting the hands against abrasion, wear and other injury of the skin.

PROTECTIVE HELMET

…for protection against injuries of the head.

General, Safety, Transport and Storage

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4.7 Conventional Use

The ELGO-device is only conceived for the conventional use described in this manual.

The ELGO linear encoder IMAX only serves to measure lengths and positions.

CAUTION!

Danger through non-conventional use!

Non-intended use and non-observance of this operating manual can lead to dangerous situations.

Therefore:

Only use the device as described

Strictly follow the instructions of this manual

Avoid in particular:

Remodeling, refitting or changing of the construction or single components with the intention to alter the

functionality or scope of the device.

Claims resulting from damages due to non-conventional use are not possible.

Only the operator is liable for damages caused by non-conventional use.

4.8 Safety Instructions for Transport, Unpacking and Loading

CAUTION!

Transport the package (box, palette etc.) professionally.

Do not throw, hit or fold it.

4.9 Handling of Packaging Material

Notes for proper disposal: 4.4

4.10 Inspection of Transport

Check the delivery immediately after the receipt for completeness and transport damage.

In case of externally recognizable transport damages:

Do not accept the delivery or only accept under reserve.

Note the extent of damages on the transportation documents or delivery note.

File complaint immediately.

NOTE!

Claim any damage immediately after recognizing it.

The claims for damage must be filed in the lawful reclaim periods.

4.11 Storage

Store the device only under the following conditions:

Do not store outside

Keep dry and dust-free

Do not expose to aggressive media

Protect from direct sun light

Avoid mechanical shocks

Storage temperature (6) needs to be observed

Relative humidity (6) must not be exceeded

Inspect packages regularly if stored for an extensive period of time (>3 months)

Product Features

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5Product Features

The IMAX series is a Pseudo-absolute magnetic length measuring system. Pseudo-absolute means, that the ab-

solute code is recognized through a one-time movement of approx. 274 mm’s into an arbitrary direction after

power up. At this point the IMAX measures really absolute. Thus it is possible to guarantee an absolute meas-

urement over a total measuring length of 1048 m (CANopen) resp. 262 m (SSI) with a short sensor head length

of only 50 mm.

The sensors and the necessary evaluation electronics are integrated in a compact metal housing, which converts

the scanned signals into the desired interface format. By using the supplied adhesive tape, the absolutely coded

magnetic tape is glued onto a flat surface.

The maximum allowed mounting distance between IMAX sensor and magnetic tape is 1.8 mm.

Advantages:

Major advantages of the IMAX are its compact design and the high maximum measuring length. Further, the

system is equally suitable for retrofitting as well as new installations in existing machines and plants.

Essential features are:

Pseudo-absolute, self-referencing measurement

Compact design and high IP67 protection class

Contactless measuring principle

Resolution 1 mm (others on request)

Measuring length up to 1048 resp. 262 m

5.1 Functional Principle

The IMAX sensor is guided over a magnetic tape which is written with an absolute track. Due to automatic refer-

encing, the current position is detected by the sensor system after a movement of approx. 274 mm. The sensor

system scans the code sequence of the north and south poles and delivers a Pseudo-absolute value with a reso-

lution of 1 mm. The designation of the respective ELGO magnetic tape type depends on the output interface

used. For more information, refer to the technical data 6.3.

The measured value is processed by the internal evaluation electronics and is available either via a CANopen

interface (DS406 encoder profile) or SSI interface (binary or Gray code). From here the measured position can

be further processed by the subsequent electronics.

Figure 1: Single-track coding of the magnetic tape

5.2 Available Output Interfaces

Depending on the interface option ordered (see Type Designation 10), the sampled signal information is

converted by the internal evaluation electronics into one of the following output signals:

Interface option CAO0 CANopen standard interface according to DS406 (encoder profile)

Interface option SSB0 SSI interface, 25 bit (binary code)

Interface option SSG0 SSI interface, 25 bit (Gray code)

Further information can be found in chapter 8 Connections and Interfaces.

N S

NN S S N S NN N S S N SS S

S SS N N N SS

Technical Data

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6Technical Data

6.1 Identification

The type label serves for the identification of the unit. It is located on the housing of the device and indicates the

exact type designation (= order reference 10) with the corresponding part number. Furthermore, the type

label contains a unique, traceable device number. When corresponding with ELGO please always indicate this

data.

6.2 Dimensions IMAX Sensor

Figure 2: Dimensions IMAX sensor

Technical Data

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6.3 Technical Data Sensor

IMAX (standard version)

Mechanical Data

Measuring principle

Pseudo-absolute (self-referencing)

Repeat accuracy

±1 increment

System accuracy

in µm at 20° C

± (1250 + 50 x L)

L= measuring length in meters

Distance sensor - tape

max. 1.8 mm

Maximum measuring length

CANopen: 1048 m / SSI : 262 m

Housing material

ABS plastic

Dimensions

L x W x H = 50 x 12 x 25 mm

Magnetic tapes for CANopen:

AB20-80-10-1-R-17 (adhesive mounting, see section 7.2.4)

AB20-80-10-1-R-D-17-BK80 (rail mounting, see option 7.3.1)

AB20-80-20-1-R-D-17-BK100 (rail mounting, see option 7.3.2)

Magnetic tapes for SSI:

AB20-80-10-1-R-15 (adhesive mounting, see section 7.2.4)

AB20-80-10-1-R-D-15-BK80 (rail mounting, see option 7.3.1)

AB20-80-20-1-R-D-15-BK100 (rail mounting, see option 7.3.2)

Available magnetic tape lengths

see 6.4 Technical Data Magnetic Tape

Basic pole pitch

8mm

Sensor cable length

standard: 1.5 m (others on request)

Weight

approx. 40 g without cable; cable approx. 60 g/m

Electrical Data

Power supply voltage

10 … 30 VDC

Residual ripple

10 … 30 VDC <10 %

Current consumption

max. 150 mA

Available interfaces

CANopen standard (DS406) or SSI (binary or Gray) 10

Connections

standard: open cable ends

connectors optionally, see 10

Resolution

1 mm

Operating speed

max. 4.0 m/s

Environmental Conditions

Storage temperature

−25 … +85° C

Operation temperature

−10 … +70° C

−25 … +85° C (on request)

Humidity

max. 95 %, non-condensing

Protection Class

IP67

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