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Operating Manual 

SERIES LIMAX2 

Magnetic Absolute Shaft Information System for Elevators 

(Translation of the original operating manual) 

 

 

Robust measuring principle for usage in rough environments 

 

Insensitive against dirt, smoke and humidity

 

 

Simple and flexible installation 

 

High accuracy and reproducibility

 

 

Absolute position measurement with a length up to 260 m

 

 

Resolution up to 1 mm, higher resolution on request

 

 

Absolute position is always directly available 
no referencing even after long power failure 

 

Compatible with many established controls with absolute encoder interface 

 

Available interfaces: 

SSI, CAN, CANopen (DS406, DS417), RS422, RS232, PROFIBUS

 

D-103920 / Rev. 1 / 2020-02-06 

Summary of Contents for LIMAX2 Series

Page 1: ...Simple and flexible installation High accuracy and reproducibility Absolute position measurement with a length up to 260 m Resolution up to 1 mm higher resolution on request Absolute position is alway...

Page 2: ...FL 9496 Balzers Technical Support 49 0 7731 9339 0 49 0 7731 2 88 03 support elgo de Document No D 103920 Document Name LIMAX2 00 MA E_06 20 Article Number 799000350 Document Revision Rev 1 Issue Date...

Page 3: ...Loading 10 6 2 Handling of Packaging Material 10 6 3 Inspection of Transport 10 6 4 Storage 10 7 Product Features 11 7 1 Functional principle 11 7 2 Sensor Construction 11 8 Technical Data 12 8 1 Iden...

Page 4: ...erface 31 10 4 RS232 RS422 RS485 32 10 5 Option Unguided 35 10 6 Option PROFIBUS Interface 36 11 Disturbances Maintenance Cleaning 38 11 1 Fault Clearance 38 11 2 Re start after Fault Clearance 38 11...

Page 5: ...1 Saving the parameters 28 Figure 22 Changing the device into the Operational Mode 28 Figure 23 Changing the device into the Pre operational Mode 28 Figure 24 Changing the device into the Stopped Mode...

Page 6: ...age 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 resu...

Page 7: ...unting Disconnect the power supply and secure against re start Then disconnect the supply lines physically and dis charge remaining energy Remove operational supplies and other material Disposal Recyc...

Page 8: ...a safe and trouble free operation Non observance of the instructions mentioned in this operating manual can result in hazardous situations 5 2 Personal Protective Equipment Employees have to wear prot...

Page 9: ...asuring system serves only to measure lengths CAUTION Danger through non conventional use Non intended use and non observance of this operat ing manual can lead to dangerous situations Therefore Only...

Page 10: ...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 recogni...

Page 11: ...available no referencing even after long power outages 7 1 Functional principle The concept is simple A sensor mounted on the elevator car detects the current absolute car position using Hall sensors...

Page 12: ...the housing of the sensor and gives the exact type designation order reference see type designation with the corresponding part number Furthermore the type label contains a unique traceable device nu...

Page 13: ...ata 13 8 3 Dimensions Sensor Option unguided Figure 3 Dimensions Sensor Option unguided 8 4 Dimensions Sensor Option PNO Figure 4 Dimensions Sensor Option PNO 244 236 40 55 55 51 271 55 51 32 5 41 5 1...

Page 14: ...type AB20 80 10 1 R D 15 BK80 Maximum measuring length 260 m Connection Open cable ends more options 12 Sensor cable 3 m standard cable length other on request Weight approx 460 g without cable cable...

Page 15: ...h in meters Material carrier tape Precision strip 1 4310 X10CrNi 18 8 EN 10088 3 Double faced adhesive tape 3M 9088 observe instructions others on request Dimensions without adhesive tape 10 mm 0 1 x...

Page 16: ...e installed close to sources of strong inductive or capacitive interference or strong electrostatic fields CAUTION The electrical connections must be made by suitably qualified personnel in accordance...

Page 17: ...ting kit available as option on the guide rail Alternatively fixation in the shaft head is either on beams or directly bolted into the ceiling The necessary tension in the tape is provided by a tensio...

Page 18: ...tape must not be influenced by external magnetic fields The magnetic tape must not come into direct contact with other magnetic fields e g per manent magnets magnetic clamps electromagnets magnetic st...

Page 19: ...perfectly perpendicular installation of the band Yet in reality this is not practicable It is therefore preferable to install the tape with a horizontal offset from the sensor During operation this m...

Page 20: ...on to a proper vertical mounting of the tape If you use dowels to fix the tape in the shaft tighten the spring such that the according tractions results to minimum 7 5 kg When using the ELGO Mounting...

Page 21: ...eased wear 9 Pass the tape through the sensor Loosen the splint pin and release the polymer guide Insert the tape and re attach the guide with the tape in its position 10 Pay attention that the pad do...

Page 22: ...ment of the vertical alignment of the sensor 13 If the installation check reveals that the tape slides on magnetic side start to increase the offset between sensor and tape Values of up to 5 cm are ac...

Page 23: ...o fine metal dust However coarser metal chips can cause problems Clean this debris off instantly Repeat the cleaning process before putting the elevator into operation after complete installation DO N...

Page 24: ...y voltage not provided RUN GREEN for CANopen device RUN LED according to DR 303 3 other device Interface state flashes during active communication ERR RED for CANopen device ERR LED according to DR303...

Page 25: ...tifier 184 hex Event timer 10 ms Producer heartbeat 500 ms Resolution 1 0 mm First 4 Bytes Position in mm Next 2 Bytes Speed in mm s Figure 17 Protocol DS406 Table 3 Configuration of CANopen DS417 CAN...

Page 26: ...cribed in section 10 2 4 2 Normal Mode are only processed by the CANopen device in the Operational and Pre Operational mode 10 2 4 3 Setting the Heartbeat Cycle Duration A CANopen device sends the hea...

Page 27: ...position data Master CANopen device XXX 600h node ID Example 604h for the device with node ID 4 UU 00h DS406 06h DS417 VV 18h DS406 19h DS417 YY LSB of cycle time in milliseconds ZZ MSB of cycle time...

Page 28: ...device is fully functional The following CAN message causes the change of all CANopen participants into the Operational Mode 01 00 DLC ID 000 2 Changing all participants into the Operational Mode Mas...

Page 29: ...nto the LSS Con figuration Mode ATTENTION With the following command all the bus sharing units which are in the Stopped Mode are changed into the LSS Configuration Mode Use this command if only one de...

Page 30: ...kBit s 2 500 kBit s 3 250 kBit s 4 125 kBit s 5 reserved 6 50 kBit s 7 20 kBit s 8 10 kBit s Figure 27 Setting the baud rate 4 Save parameter as described in section 10 2 7 2 5 Turn the device off an...

Page 31: ...l SSI Interface 10 3 3 Pin Assignment Table 5 Pin Assignment SSI open cabel ends Open cable ends Color Function White 0 V GND Brown 24 VDC Pink Data Grey Data Yellow CLK Green CLK Shield PE Table 6 Pi...

Page 32: ...absolute position will be represented in the three ABS position data bytes Version 2321 4221 4851 Version 2320 4220 4850 10 4 2 Pin Assignment Table 7 Pin Assignment Open cable ends Standard Color RS2...

Page 33: ...est of LIMAX2 with the address i To LIMAX2 answer 10 4 3 3 A LIMAX2 address request Attach in each case only one LIMAX2 e g over a RS422 RS232 converter to the serial interface COM port of a PC To LIM...

Page 34: ...te was sent etc 06h Invalid LIMAX2 address appears after trying to assign an address smaller 0Bh or bigger 7Fh to LI MAX2 07h LIMAX2 has lost its address internal check of X redundantly stored address...

Page 35: ...ion to a RS422 Master 10 5 Option Unguided LIMAX2 unguided is an absolute measuring system which is used for positioning in the most diverse areas horizontally and vertically It consists of only two c...

Page 36: ...og time error BUS FAIL RED ON unrecoverable Converter Fault OFF no error bus in cycle Flashing Converter not addressed by the master 10 6 2 Settings 10 6 2 1 Address Settings The address settings are...

Page 37: ...250 kHz Participants max 32 per Segment with repeater until 126 expandable Mono and Multi master systems are possible In delivery status is participant 05 set 10 6 2 4 Pin Assignment Table 11 Pin Assi...

Page 38: ...es occur in spite of all the items stated above being observed please proceed as follows 1 Installation of RC circuits via contactor coils of AC contactors e g 0 1 F 100 2 Installation of recovery dio...

Page 39: ...d band is more exposed to mechanical stress and is prone to further wear Check for proper tension of the band If the mounting was via a flute the tension can decrease over time Readjust if necessary I...

Page 40: ...Interface 25 bit gray code Position CAUTION CAN Interface is optional available with galvanic isolation assembly CAN load resistor selectable RS232 Interface is never terminated RS422 RS485 SSI Interf...

Page 41: ...nated LIMAX2 00 030 0500 CO1G D9M B hnke bp306 bp308 CANopen CiA 417 not terminated LIMAX2 00 030 62N5 SSG0 D9M1 NEWLift FST2 LIMAX2 00 030 1000 SSB0 KW Aufzugstechnik David 606 LIMAX2 00 030 1000 CO0...

Page 42: ...am for standard layout Installation kit LIMAX RMS 90 Mounting set for suspended installation with cross beam for Rucksack layout Installation kit LIMAX S RMS Mounting set for suspended installation wi...

Page 43: ...fication 12 Installation 16 Installation of the Sensor 18 Interfaces 24 LED status notice 24 Magnetic tape Structure 15 Maintenance 38 39 Operating area 16 Operational safety 6 Option Profibus Interfa...

Page 44: ...Name LIMAX2 00 MA E Subject to change 2020 ELGO Electronic GmbH Co KG ELGO Batscale AG F h r e n w e g 2 0 F L 9 4 9 6 B a l z e r s Tel 423 0 380 02 22 Fax 423 0 380 02 24 Internet www elgo li Mail i...

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