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D-105020 / Rev. 2 / 2020-02-06
Operating Manual
SERIE LIMAX1M
Magnetic, Pseudo-Absolute Shaft Information System
(Translation of the original operating manual)
Absolute measurement for hoisting heights up to 90 m
Auto-referencing: Absolute position is detected after 240 mm
Resolution: 62.5 / 125 / 250 / 500 or 1000 µm
Insensitive to smoke, dirt and moisture
Operating speed up to 4 m/s (higher on request)
Interfaces: CANopen DS417, CANopen DS406 or USB
On request: RS485, RS422 or SSI
Simple and flexible mounting options
Vertical installation of the magnetic tape
Wear-free, contactless and noiseless measuring principle
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Summary of Contents for Elgo LIMAX1M Series
- Page 1 D-105020 / Rev. 2 / 2020-02-06 Operating Manual SERIE LIMAX1M Magnetic, Pseudo-Absolute Shaft Information System (Translation of the original operating manual) Absolute measurement for hoisting heights up to 90 m Auto-referencing: Absolute position is detected after 240 mm ...
- Page 2 +49 (0) 7731 9339 – 0 +49 (0) 7731 2 13 11 support@elgo.de Document- No. D-105020 Document - Name LIMAX1M-00-MA-E_06-20 Article Number 799000905 Document- Revision Rev. 2 Issue Date 2020-02-06 Copyright © 2020, ELGO Batscale AG - 2 -...
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Page 3: Table Of Contents
Contents 1 Contents Contents ..................... 3 List of Figures ..................... 4 List of Tables ....................4 General ...................... 5 Information Operating Manual ................... 5 Explanation of Symbols ...................... 5 Referrals .......................... 6 Statement of Warranties ..................... 6 Demounting and Disposal ....................6 Safety ...................... -
Page 4: List Of Figures
Contents 11.4 RS485 or RS422 Interface ....................30 Connections ....................31 12.1 Pin Assignment of the RJ45 Socket ..................31 Disturbances .................... 33 13.1 Fault Clearance ......................33 13.2 Re-start after Fault Clearance ................... 33 13.3 Maintenance ........................33 13.4 Cleaning ........................ -
Page 5: General
General 4 General Information Operating Manual This manual contains important information regarding the handling of the device. For your own safety and op- erational safety, please observe all safety warnings and instructions. Precondition for safe operation is the compliance with the specified safety and handling instructions. Moreover, the existing local accident prevention regulations and the general safety rules at the site of operation have to be observed. -
Page 6: Referrals
General Referrals /LIMAX-MKF-MI/ Mounting instructions for the Magnetic Tape Installation Kit LIMAX MKF https://www.elgo.de/fileadmin/user_upload/pdf/manual/lift/LIMAX-MKF-MI-DE.pdf /LIMAX-RMS-000-MI/ Mounting instructions for the Magnetic Tape Installation Kits LIMAX RMS & LIMAX RMS90 https://www.elgo.de/fileadmin/user_upload/pdf/manual/lift/LIMAX-RMS-000-MI-DEF.pdf /LIMAX-S-RMS-000-MI/ Mounting instructions for the Magnetic Tape Installation Kit LIMAX S-RMS https://www.elgo.de/fileadmin/user_upload/pdf/manual/lift/LIMAX-S-RMS-000-MI-DEF.pdf... -
Page 7: Safety
Safety 5 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. -
Page 8: Conventional Use
It is the responsibility of the manufacturer of a machine or installation to ensure the prop- er operation of the system. The ELGO-device is conceived only for the intended use described in this manual. The ELGO length measuring system LIMAX1M serves only to measure linear positions... -
Page 9: Transport And Storage
Transport and Storage 6 Transport and Storage Safety Instructions for Transport, Unpacking and Loading CAUTION! Transport the package (box, palette etc.) professionally. Do not throw, hit or fold it. Handling of Packaging Material Notes for proper disposal: 4.5 Inspection of Transport Check the delivery immediately after the receipt for completeness and transport damage. -
Page 10: Product Features
Product Features 7 Product Features Due to its essential advantages, the pseudo-absolute shaft information system LIMAX1M represents a particularly inexpensive, insensitive and easy to install alternative to conventional shaft information systems. The specification “M” in the type designation stands for “Miniature” and means the smallest sensor design of the LIMAX series. Due to its compact design, LIMAX1M requires very little space and is therefore ideal for retrofitting and modern- izing existing elevator systems. -
Page 11: Technical Data
Furthermore, the type label contains a unique, XXXXXX XX XXXX XXXXXXXXX traceable device number, the production date as well as the hardware and soft- ware versions. When corresponding with ELGO always indicate this data. MADE IN LIECHTENST EIN Figure 2: Type Label Dimensions Sensor Underside Top side 60.4... -
Page 12: Dimensions Mounting Angle (Accessories)
Technical Data Dimensions Mounting Angle (Accessories) 35.5 (35.5) Angle inner side Angle 60.4 inner side Sensor underside (shaft pit direction) Figure 4: Dimensions of the Mounting Angle The order designation can be found in section 14.1 Accessories - 12 -... -
Page 13: Technical Data Sensor
Technical Data Technical Data Sensor LIMAX1M (Standard Version) Mechanical Data Measuring principle pseudo-absolute Repeat accuracy ± 1 increment System accuracy in µm at 20 °C ±(1000 + 50 x L) L = measuring length in meters Distance sensor / tape the correct distance is guaranteed by guidance Housing material plastic... -
Page 14: Technical Data Magnetic Tape
Weight magnetic tape approx. 62 g/m (incl. magnetic tape and cover tape) Tape imprint ELGO standard, printing color black, digit height >= 5 mm Influence of external magnets External magnetic fields must not exceed 64 mT (640 Oe; 52 kA/m on the surface of the magnetic tape as this could damage or destroy the code on the tape. -
Page 15: Installation And First Start-Up
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 16: Installation Of Sensor And Magnetic Tape
Installation and First Start-Up Installation of Sensor and Magnetic Tape 9.2.1 Magnetic Tape Installation Principle Upper tape fixation Upper tape fixation LIMAX1M sensor LIMAX1M sensor Magnetic tape Magnetic tape Guide rail Guide rail Swing protection Tension spring Tension weight Figure 6: Installation with tension weight Figure 7: Installation with tension spring LIMAX1M can be installed at any position in the shaft, depending on space situation and layout of the particular elevator installation. -
Page 17: Mounting The Sensor
Installation and First Start-Up Mounting the Sensor Depending on the specific conditions of the elevator, the sensor head can be mounted directly on the cabin body (e.g. cabin roof) or cabin frame. Optionally, the sensor can be mounted on the cabin via the two mount- ing holes in the sensor housing or via the optional mounting angle. -
Page 18: Installation Of The Magnetic Tape
Installation and First Start-Up Installation of the Magnetic Tape EXTERNAL MAGNETIC FIELDS! The influence of the magnetic tape by magnetic fields must be avoided! The magnetic tape must not come into direct contact with other magnetic fields (e.g. permanent magnets, magnetic clamps, electromagnets, magnetic stands)! This may cause irreparable damage, which will compromise the measuring accuracy or even the functioning. - Page 19 Installation and First Start-Up 9.4.2 Installation Concept 9.4.2.1 Mounting Principle NOTE! The magnetic tape itself is not designed to withstand excessive mechanical wear. It is there- fore important to ensure that the system is installed such a way that the mechanical contact between tape and sensor head is mainly between the steel tape and the polymer sensor guide.
- Page 20 9.4.3 Installation Procedure 1. Attach the top end of the magnetic tape in the shaft head. Ideally use an ELGO Magnetic Tape Mount- ing Kit (see 14.1 Accessories). Check for correct orientation of the tape. The arrows on the magnetic side must point in upward direction: ...
- Page 21 Installation and First Start-Up 9.4.4 Connecting the Magnetic Tape to the Sensor After the magnetic tape has been installed in the shaft and the sensor has been attached to the cabin in accord- ance with section 9.4.3, the magnetic tape can be inserted through sensor. Proceed as follows: Magnetic tape steel side Insert the...
- Page 22 Installation and First Start-Up 9.4.5 Checking the Fit of the Magnetic Tape The magnetic tape is The magnetic tape is The magnetic tape is flat in the guide skewed in the guide skewed in the guide Figure 13: Assessment of the tape guide rail in the sensor - twisted magnetic tape The magnetic tape is The magnetic tape is The magnetic tape is...
- Page 23 Installation and First Start-Up 9.4.6 Important: Final Installation Check Values for tape tension and offset between tape and sensor are guidelines based on experience. But in any case, a proper check after installation is mandatory. It must absolutely be avoided that the magnetic side constantly grinds on the sensor body during operation.
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Page 24: Pseudo-Absolute Measuring Principle
Installation and First Start-Up DO NOT USE A MAGNET FOR CLEANING! Never use a magnet to remove metal chips from the magnetic tape. This will destroy the magnetic code and thus the magnetic tape. PROTECTIVE GLOVES! Always wear protective gloves when cleaning the magnetic tape. Pseudo-Absolute Measuring Principle LIMAX1M is a pseudo-absolute magnetic length measuring system. -
Page 25: Leds (Operating States And Messages)
LEDs (Operating States and Messages) 10 LEDs (Operating States and Messages) The three LEDs mounted on the sensor housing are used to display and monitor operating states. Figure 16: LEDs for status messages GREEN Operating status FLASHING System is in operation Error indication ... -
Page 26: Interfaces
ABS position Figure 17: Protocol DS417 The detailed CAN specifications can be requested as a separate document from ELGO. Available CAN options and further information about the DS417 elevator profile can be found in the corresponding XDD and EDS file. - Page 27 Interfaces 11.1.2 Initial Operation After starting the CANopen device is in the Pre-operational Mode ( 11.1.4.2) and therefore doesn’t send any position data. In order to achieve this, the device needs to be set into Operational Mode ( 11.1.4.1). 11.1.3 Save Parameters In the normal case the settings are lost at power off or failure.
- Page 28 Interfaces 11.1.4.3 Change to Stopped Mode Bus sharing units in the Stopped Mode are passive participants. In this mode all the communication is turned off, except the monitoring activity (e.g. heartbeat). The following CAN-message causes the change of all CANopen participants into the Stopped Mode: CANopen Master device...
- Page 29 Interfaces 11.1.6 Bit Rate Setting 1. Change the device into the Stopped mode ( 11.1.4.3) 2. Change the device into the LSS Configuration ( 11.1.5.1) 3. Change bit rate according to the following command: CANopen Master device Adjusting the baud rate DLC: Values for XX: 0 = 1 MBit/s...
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Page 30: Usb Interface
Interfaces 11.2 USB Interface LIMAX1M implements a USB2.0 Full Speed Device with the CDC class ("Virtual COM-Port"). The detailed USB specifications can be requested as a separate document from ELGO. 11.3 SSI Interface 11.3.1 Data Protocol Clock+ Data+ Figure 27: SSI data protocol 4 µs (= 250 kHz maximum clock frequency) - Page 31 Connections 12 Connections 12.1 Pin Assignment of the RJ45 Socket 12.1.1 CAN Interface Table 3: RJ45 pin assignment CAN interface Connector Drawing Pin No. Function Description +10 … 30 VDC power supply VCC-IN RJ45 socket +10 … 30 VDC power supply Not connected GND-IN 0 V / Ground...
- Page 32 Connections 12.1.4 RS422 Interface Table 6: RJ45 pin assignment RS422 interface Connector Drawing Pin No. Function Description +10 … 30 VDC power supply VCC-IN RJ45 socket +10 … 30 VDC power supply RX− Receiver − GND-IN 0 V / Ground GND-IN 0 V / Ground Receiver +...
- Page 33 Disturbances 13 Disturbances 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 section 13.1. In case of disturbances that cannot be eliminated by following the advice and the fault clearance measures given here, please contact the manufacturer (see second page).
- Page 34 Type Designation 14 Type Designation LIMAX1M 1000 CO1T RJ45 Example: Device Designation: LIMAX1M = LIMAX1 MINI (single-channel) Version: = standard version = first special version (etc.) Signal Cable Length: = connector on housing (without cable) Resolution: 62N5 = 62.5 µm = 0.0625 mm 0125 = 125 µm = 0.125 mm 0250...
- Page 35 Index 15 Index Accessories ............. 34 Mounting Angle ..........17 Accident prevention regulations......5 Mounting the Sensor ........17 CAN Interface ..........26 Operating area ..........15 Causes of risk ............ 7 Operational safety ..........5 Checking the Fit of the Magnetic Tape ....22 Order reference ..........
- Page 36 F ö h r e n w e g 2 0 , F L - 9 4 9 6 B a l z e r s Subject to changes - © 2020 Fon.:+423 (0) 380 02 22, Fax.:+423 (0) 380 02 24 ELGO Batscale AG Internet: www.elgo.li, Mail: info@elgo.li - 36 -...
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