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Causes of faults and remedies

 

 

 TR-Electronic GmbH 2003, All Rights Reserved 

Printed in the Federal Republic of Germany 

Page 22 of 22 

TR - ELA - TI - GB - 0040 - 06 

02/13/2017 

8 Causes of faults and remedies 

 
 
 

Fault 

Cause 

Remedy 

Position skips 

of the measuring 

system 

Strong vibrations 

Vibrations,  impacts  and  shocks,  e.g.  on  presses  must  be 

avoided or the limit values must not be exceeded. 

Electrical faults 

EMC 

Cables with twisted pair wires for data and supply must be 

used.  Shielding  and  wire  routing  must  be  performed 

according to the DeviceNet

-specification. 

Scanning defect. 

Replace measuring system. 

 
 
 

Содержание LP-38

Страница 1: ...5141 TR ELA TI GB 0040 06 02 13 2017 User Manual _Additional safety instructions _Installation _Commissioning _Parameterization _Cause of faults and remedies Absolute linear encoder LP 38 Multi sensor...

Страница 2: ...well as electronic and photographic archiving and modification require the written content of the manufacturer Violations shall be subject to claims for damages Subject to modifications The right to...

Страница 3: ...1 Connection 13 5 2 Bus termination 13 5 3 Identifier MAC ID 13 5 4 Baud rate 13 5 5 Shield cover 14 6 Commissioning 16 6 1 CAN interface 16 6 1 1 Bus status 16 6 1 2 EDS file 17 6 1 3 Messages 17 6...

Страница 4: ...Revision index Revision Date Index First release 09 26 03 00 Revision of chapter I O Instance polled IO page 18 12 10 03 01 LA 65 H not available as multi sensor 09 22 06 02 General technical modific...

Страница 5: ...structure this User Manual is supplementary to other documentation such as product datasheets dimensional drawings leaflets and the assembly instructions etc The User Manual may be included in the cu...

Страница 6: ...ization Holding organization DeviceNet CAN protocol defined in the Application Layer layer 7 DUP MAC ID Test DUPLICATE MAC ID Test Checking the master for duplicates of slave MAC IDs Each address of t...

Страница 7: ...s important information or features and application tips for the product used 2 2 Additional instructions for proper use The measurement system is designed for operation with CAN DeviceNet networks ac...

Страница 8: ...at the site of operation of the measurement system Prior to commencing work personnel working with the measurement system must have read and understood the assembly instructions in particular the chap...

Страница 9: ...ti Sensor Technique With the multi sensor type the positions of max 16 magnets can be detected The minimum distance between two magnets must be 50 mm With the I O Poll Command the magnet 0 15 at which...

Страница 10: ...ices PLC IPC DeviceNet Data Link Layer Layer 2 Data Link Layer is based on the Controller Area Network CAN which was originally designed for use in motor vehicles DeviceNet Network and Data Transport...

Страница 11: ...essage for Slave I O Poll Response DeviceNet Device Profiles Beyond the specification of the pure communication functions DeviceNet also includes the definition of device profiles These profiles defin...

Страница 12: ...te Installation takes place in a bus topology with or without taps and terminators at both ends The terminators have a resistance value of 120 Ohm Bus lines The bus lines for the DeviceNet system are...

Страница 13: ...airs with min 0 5 mm2 have to be used 5 2 Bus termination If the measuring system is the last slave in the CAN segment the bus is to be terminated with an external bus terminal resistance of 120 ohms...

Страница 14: ...s fitted on the inside Cable gland assembly variant A Pos 1 Nut Pos 2 Seal Pos 3 Contact bush Pos 5 Screw socket 1 Cut shield braid shield foil back to dimension X 2 Slide the nut 1 and seal contact b...

Страница 15: ...ing ring 2 over the cable 3 Bend the shield braining shield foil to approx 90 4 Push clamping ring 2 up to the shield braid shield foil and wrap the braiding back around the clamping ring 2 such that...

Страница 16: ...nection must occur via Group 2 Only Unconnected Explicit Request Message The measuring system contains an I O Communication Port and an Explicit Message Communication Port The I O communication port i...

Страница 17: ...Poll Command Respond Message This message is sent directly by the master to the desired slave point to point For every slave which is polled the master must sent an own poll command message As respon...

Страница 18: ...er 1 03h DeviceNet 1 05h Connection 2 04h Assembly 1 0Fh Parameter 6 6 1 5 I O Instance polled IO Input Instance Number Name 1 Position value Input Data Format Instance Byte Bit7 Bit6 Bit5 Bit4 Bit3 B...

Страница 19: ...eps to 5 High Byte Total Number of Steps The ranges of values of the individual parameters are defined in chapter Parameters Range of values starting from page 20 7 2 Parameter Object Instances 7 2 1...

Страница 20: ...lues to the rod end 7 3 2 Output Code Instance Service Value Description Default 2 r w 0 Binary code X 0 Gray code 7 3 3 Total Number of Steps Instance 3 r w Defines the Total number of steps of the m...

Страница 21: ...t be permitted by both the program and the application Instance 4 r w With the adjustment function the measuring system is set to the desired absolute position value The adjustment is executed with th...

Страница 22: ...s Fault Cause Remedy Position skips of the measuring system Strong vibrations Vibrations impacts and shocks e g on presses must be avoided or the limit values must not be exceeded Electrical faults EM...

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