Elgo IMAX Series Operating Manual

Magnetic, self-referencing pseudo-absolute linear encoder

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799000870 / Rev. 1 / 2019-05-09
Translation of the original operating manual
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

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Summary of Contents for Elgo IMAX Series

  • Page 1 799000870 / Rev. 1 / 2019-05-09 Translation of the original operating manual 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 ...
  • Page 2 +49 (0) 7731 9339 - 0  +49 (0) 7731 2 88 03  info@elgo.de Document- No. 799000870 Document- Name IMAX-00-MA-E_19-19 Document- Revision Rev. 1 Issue Date 2019-05-09 Copyright © 2019, ELGO Electronic GmbH & Co. KG - 2 -...
  • Page 3: Table Of Contents

    Contents 1 Contents Contents ..................... 3 List of Figures ..................... 4 List of Tables ....................4 General, Safety, Transport and Storage ............ 5 Information Operating Manual ................... 5 Explanation of Symbols ...................... 5 Statement of Warranties ..................... 6 Demounting and Disposal ....................6 General Causes of Risk .....................
  • Page 4: List Of Figures

    Contents Type Designation ..................22 10.1 Accessories ........................23 Index ......................27 2 List 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 ......................
  • Page 5: General, Safety, Transport And Storage

    General, Safety, Transport and Storage 4 General, Safety, Transport and Storage 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.
  • Page 6: Statement Of Warranties

    General, Safety, Transport and Storage Statement of Warranties The producer guarantees the functional capability of the process engineering and the selected parameters. 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.
  • Page 7: Conventional Use

    General, Safety, Transport and Storage 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.
  • Page 8: Product Features

    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.
  • Page 9: Technical Data

    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.
  • Page 10: Technical Data Sensor

    Technical Data Technical Data Sensor IMAX (standard version) Mechanical Data Measuring principle Pseudo-absolute (self-referencing) Repeat accuracy ±1 increment System accuracy ± (1250 + 50 x L) in µm at 20° C L= measuring length in meters Distance sensor - tape max.
  • Page 11: Technical Data Magnetic Tape

    Available lengths SSI Rolls up to max. 262 m Weight magnetic tape ca. 62 g/m (incl. magnetic tape and cover tape) Tape imprint ELGO standard, printing color black, digit height >= 5 mm Relative humidity max. 95 %, non-condensing Protection class IP65 Influence of external magnets External magnetic fields must not exceed 64 mT (640 Oe;...
  • Page 12: Installation And First Start-Up

    Installation instructions! In case of damage caused by failure to observe this operating manual, the warranty expires. ELGO is not liable for any secondary damage and for damage to persons, property or assets. The operator is obliged to take appropriate safety measures.
  • Page 13: Installation Of The Magnetic Tape

    7.2.1 The Magnetic Tape For IMAX with CANopen interface the absolute coded ELGO magnetic tape AB20-80-10-1-R-17 must be used, while for versions with SSI interface the type AB20-80-10-1-R-15 is required. The two magnetic tape types only differ in their coding (CANopen = 17 bit / SSI = 15 bit).
  • Page 14: Figure 4: Magnetic Tape Handling

    Installation and First Start-Up 7.2.2 Handling In order to avoid tension in the tape, it must not be stretched, compressed or twisted. It should be stored with the magnetized plastic tape to the outside. The minimum bending radius is 150 mm. Magnetized plastic tape Steel tape...
  • Page 15: Table 1: Resistance Against Chemical Influence

    Installation and First Start-Up Mounting steps: 1. Thoroughly clean the surface ( 7.2.3) 2. Acclimatization: let magnetic tape and cover tape adjust their temperature 3. Remove the protection foil from the magnetic tape 4. Glue magnetic tape under great pressure 5.
  • Page 16: Magnetic Tape Options Bk80 / Bk100

    As shown in the following figure, the tape consists of a 8 mm wide magnetic tape which is connected to a 10 mm wide back iron stripe. The cover tape is not supplied with this variant. Top view <SN XX/000000001/00000 MB20-80-10-1-R-D-1X-BK80 ELGO magnetized plastic tape Front view (magnetic tape) magnetic conductive steel band...
  • Page 17: Installation Of The Sensor

    Installation and First Start-Up Installation of the Sensor Fasten the sensor with two M3 cylinder head screws of suitable length (see  6.2). For absolute coded magnetic tapes it is important that the sensor is mounted in the correct direction to the tape. Otherwise no measurement is possible.
  • Page 18: Self-Referencing Of The Measuring Range

    Installation and First Start-Up 7.4.2 Mounting Tolerances REMARKS!  Ensure correct distance sensor / magnetic tape 0.1 mm ... max. 1.8 mm! The LED on the sensor housing lights up red as soon as this distance is exceeded.  The cable outlet of the sensor points towards the counting direction (see section  7.4.1.) ...
  • Page 19: Connections And Interfaces

    Connections and Interfaces 8 Connections and Interfaces CANopen Interface (CAO0) When ordering the CA0 interface option, the IMAX measuring system is equipped with a CAN interface accord- ing to CANopen standard DS406 for encoder device profiles. The CAN interface is terminated internally with a 120 Ω terminating resistor as standard. If no internal termina- tion is required, the additional option "A"...
  • Page 20: Ssi Interface (Ssb0 And Ssg0)

    Connections and Interfaces SSI Interface (SSB0 and SSG0) Principle of the function: If the clock is not interrupted for the time Tm-T/2 (output of further 25 periods), the shift register clocks once again the same data value (error recognition in evaluation). With the SSI interface, trans- mission frequencies up to max.
  • Page 21: Disturbances, Maintenance, Cleaning

    Disturbances, Maintenance, Cleaning 9 Disturbances, Maintenance, Cleaning This chapter describes possible causes for disturbances and measures for their removal. In case of increased disturbances, please follow the measures for fault clearance in chapter 9.1. In case of disturbances that cannot be eliminated by following the advice and the fault clear- ance measures given here, please contact the manufacturer (see second page).
  • Page 22: Type Designation

    Type Designation 10 Type Designation XXX - IMAX 1000 Designation: IMAX = Pseudo-Absolute Encoder Version: = standard version = first special version (etc.) Cable Length (max. 10.0 m): = 1.5 m (standard) = 2.0 m (example) Resolution in µm: 1000 = 1000 µm 1 mm ≙...
  • Page 23: Accessories

    Type Designation 10.1 Accessories Table 5: IMAX accessories Order Designation Description AB20-80-10-1-R-17 For adhesive mounting: 10 mm wide, 17 bit coded magnetic tape for IMAX with CAN-open interface (max. coding length = max. measuring length = 1048 m). The maximum ordering length as roll material is 600 m. Higher lengths are available on request.
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  • Page 27: Index

    Index 11 Index Accessories ............. 23 Magnetic tape structure ........11 Accident prevention regulations......5 Maintenance ........... 21 Available Output Interfaces......... 8 Mounting Tolerances ........18 CANopen Interface (CAO0) ......19 Operating area ..........12 Causes of risk ............ 6 Operational safety ..........
  • Page 28 Document- No.: 799000870 / Rev. 1 ELGO Electronic GmbH & Co. KG Measuring | Positioning | Control Document- Name: IMAX-00-MA-E_19-19 Carl - Benz - Str. 1, D-78239 Rielasingen Subject to change - © 2019 Fon:+49 (0) 7731 9339-0, Fax:+49 (0) 7731 28803 Internet: www.elgo.de, Mail: info@elgo.de...

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