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English

Manual

Limes LA10 / BA1
Absolute Magnetic Length Measurement System

8. 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 chapter 8.1. 

In case of disturbances that cannot be eliminated by following the advice and the fault clea-

rance measures given here, please contact the manufacturer (see second page).

8.1 Fault Clearance

CAUTION!

The device, the connection line and the signal cable must not be in-

stalled next to sources of interference that emit strong inductive or ca-

pacitive interference or strong electrostatic fields.

External perturbations can be avoided thorough suitable cable routing.

 

The screen of the signal output cable should only be connected to the

following circuit on one side. The screens should not be grounded on

both sides. Signal cables always have to be routed separately from the

load power line. A safety distance of at least 0,5 m has to be kept from

inductive and capacitive sources of interference such as contactors,

relays, motors, switching power supplies, clocked controllers etc!

If interferences occur in spite of all the items stated above being ob-

served, please proceed as follows:

1.   Installation of RC-circuits via contactor coils of AC-contactors

(e.g. 0,1 μF / 100 Ω)

2.  Installation of recovery diodes via DC-inductors

3.  Installation of RC-circuits via the different motor phases

(in the terminal box of the motor)

4. Do 

not

 connect protective earth and ground

5. Connect a mains filter ahead of the external power pack

Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: [email protected]

Содержание Limes BA1

Страница 1: ...Up to 8 m measuring length Resolution 1 m Changes of position are also recognized without voltage no calibration necessary Automatically recognition of too big distance between sensor and magnetic tap...

Страница 2: ...erstrasse 47 D 78054 Villingen Schwenningen Germany Technical support Phone 49 0 7720 3903 0 Fax 49 0 7720 21564 Document no R60801 0009 Document name Manual Limes LA10 BA1 Issue date 02 2014 Copyrigh...

Страница 3: ...ons for Transport Unpacking and Loading 9 3 2 Handling of Packaging Material 9 3 3 Inspection of Transport 9 3 4 Storage 9 4 Product Features 10 4 1 Functional Principle 10 5 Technical Data 11 5 1 Ide...

Страница 4: ...e SSI Gray Code 20 7 3 Interface CANopen 21 7 4 Sinus Cosinus Incremental signal 31 7 5 Termination independence 32 7 6 Offset 32 7 7 Pin Connections 33 8 Disturbances 35 8 1 Fault Clearance 35 8 2 Re...

Страница 5: ...cts They are not necessarily to scale and can slightly differ from the actual design 1 2 Terms and Abbreviations Abbreviation Term Explanation LSB Least Significant Bit MSB Most Significant Bit 1 3 Ex...

Страница 6: ...d Danger indicates an imme diate 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...

Страница 7: ...tional 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 c...

Страница 8: ...dous situations 2 2 Conventional Use The device is only conceived for the conventional use described in this manual The Limes LA10 length measuring system only serves to measure lengths With additiona...

Страница 9: ...y accept under reserve Note the extent of damages on the transportation documents or delivery note File complaint immediately NOTICE Claim any damage immediately after recognizing it The claims for da...

Страница 10: ...1 m inured against dirt 4 1 Functional Principle A Hall sensor and a magneto resistive impedance measuring bridge are guided over a two track magnetic tape with a fine interpolation trace and an absol...

Страница 11: ...n order reference see typ designation Furthermore the type label contains a unique traceable device number the production date as well as the hardware and software versions When corresponding with K b...

Страница 12: ...N 60068 2 6 300 m s 10 2000 Hz Distance sensor magnetic band 0 01 0 2 mm incl masking tape recommended 0 2 mm Measuring length max 8 m Type of connection Standard M12 connector 12 pin Power supply 10...

Страница 13: ...Data refresh rate 250 s Interface CAN High Speed acc to ISO 11898 Basic and Full CAN CAN specification 2 0 B Protocol CANopen Baud rate 250 kbit s 125 1000 kbit s configurable Termination yes no via o...

Страница 14: ...al length 100 mm in order to obtain an optimal measuring result the magnetic band should be about 0 1 m longer than the required measuring length Min bending radius for storage 150 mm Relative humidit...

Страница 15: ...us terminating resistor 10 30 V DC 4 CANopen with bus terminating resistor 10 30 V DC 5 CANopen SinCos 1 Vss without bus terminating resistor 10 30 V DC 6 CANopen SinCos 1 Vss with bus terminating res...

Страница 16: ...sources of strong inductive or capacitive inter ference or strong electrostatic fields CAUTION The electrical connections must be made by suitably qualified personnel in accordance with local regulati...

Страница 17: ...ame time This increa ses significantly the functional security under ex treme magnetic influences Both parts A and B are already factory bonded C To keep the flexibility for transport and installation...

Страница 18: ...ture of the surfaces to be bonded is lower than 10 C since the adhesive becomes too solid and sufficient immediate adhesion may not be achievable in these conditions After proper installation the stre...

Страница 19: ...d stick the tape in place then remove the remaining length Finally stick the cover tape on the visible dark brown magnetised plastic tape 6 3 Mounting Installation of the Sensor NOTICE The correct dis...

Страница 20: ...ensor are additionally indicators for the mounting direction 7 Design and Functions 7 1 Connections and Interfaces The following chapters give detailed informations about connections and interfaces 7...

Страница 21: ...iance with CANopen Standard DS406 A NMT command is issued to start the communication The following identifiers are given CAN Identifier 6 Byte telegram 181 16 Identifier First 4 bytes Position Resolut...

Страница 22: ...de up of a 4 bit function code and a 7 bit node number NOTICE The higher the value of the COB Identifier the lower is its priority Broadcast network wide Objects object function code binary resulting...

Страница 23: ...1A01h Entry 0x60040020 0x60300110 Object 6004h 6030h Subindex 00 00 Data length 20h 32 Bit 10h 16 Bit Asynchronous Asynchronous Transmit PDO 1 1800h Position asynchronous Default COB ID is 180 Node n...

Страница 24: ...parameters to sensor Data length 4 Byte 2Bh SDO rx Initiate Download Request Send parameters to sensor Data length 2 Byte 2Fh SDO rx Initiate Download Request Send parameters to sensor Data length 1 B...

Страница 25: ...device profile DSP 406 Example of a service data transmission to and from the Sensor Master Sensor COB ID f r Command Index Sub max 4 Byte SDO rx 22h index Data COB ID f r Command Index Sub SDO tx 60...

Страница 26: ...r an minor revision as numerical number Serial Number numerical number LSS Master CAN ID 2021 LSS Slave CAN ID 2020 A product code a revision number and a serial number are set by the manufacturer The...

Страница 27: ...ge 1 0Fh hexadecimal 1 15 decimal NOTICE The acceptance of a new node number only becomes by means of an NMT Reset Node command All settings in the object table are reset to their standard default val...

Страница 28: ...imited by the signal propagation time The multimaster bus access procedure arbitration requires an almost simultaneous presence of the signals for the duration of one before scanning at all nodes Sinc...

Страница 29: ...Unfortunately this command is not confirmed The following command calls for the Inquire Node ID service 0x5E reserved If the command was carried out successfully the slave answers with 0x5E Node ID r...

Страница 30: ...d in case of error code 0xFF Both network specific parameters have now been modified and the new parameters must be saved using Store Configuration 0x17 reserved Again the device answers with an error...

Страница 31: ...Node address 1 Object 2101h 01h Termination on By order code 7 4 Sinus Cosinus Incremental signal Optionally Sine Cosine signals with 1 Vpp are available short circuit resistant Signal voltage Signal...

Страница 32: ...5 2 6 V Amplitude sin sin cos cos 400 500 600 mV Relationship sin sin cos cos 0 9 1 0 1 1 Difference of Phase 85 90 10 95 degree Distortion factor K 3 7 6 Offset After the installation of the magneti...

Страница 33: ...SI SSI Sinus Cosinus 1 0V GND 0V GND 2 10 30 VDC 10 30 VDC 3 C C 4 C C 5 D D 6 D D 7 not assigned Cosinus 8 not assigned Cosinus 9 not assigned Sinus 10 not assigned Sinus 11 not assigned not assigned...

Страница 34: ...10 30 VDC 3 CAN low CAN low 4 CAN high CAN high 5 not assigned not assigned 6 not assigned not assigned 7 not assigned Cosinus 8 not assigned Cosinus 9 not assigned Sinus 10 not assigned Sinus 11 not...

Страница 35: ...uting The screen of the signal output cable should only be connected to the following circuit on one side The screens should not be grounded on both sides Signal cables always have to be routed separa...

Страница 36: ...staff Arrange enough space before starting the works Make sure that the mounting area is clean and tidy Loose com ponents and tools are sources of accidents If components need to be replaced Pay atten...

Страница 37: ...BA1 Absolute Magnetic Length Measurement System 10 Cleaning WARNING The device can only be cleaned with a damp cloth do not use aggres sive cleanser Buy www ValinOnline com Phone 844 385 3099 Email C...

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