TWK Elektronik CRD R C2L01 Series User Manual Download Page 1

CRD encoder as a subscriber in the PROFIBUS-DP

Accompanying data sheet: CRD 10534

User manual no.: CRD 10617 FE

Datum: 10.07.2012

TWK-ELEKTRONIK GmbH 

D-40041 Düsseldorf 

Tel. +49 211 96117-0 

[email protected]

Heinrichstrasse 85 

Postbox 10 50 63 

Fax +49 211 637705 

www.twk.de

User manual

Certificate

 

     

Certificate

Z00358 

      Z00359

Summary of Contents for CRD R C2L01 Series

Page 1: ...ying data sheet CRD 10534 User manual no CRD 10617 FE Datum 10 07 2012 TWK ELEKTRONIK GmbH D 40041 D sseldorf Tel 49 211 96117 0 info twk de Heinrichstrasse 85 Postbox 10 50 63 Fax 49 211 637705 www t...

Page 2: ...he Operating Instructions CRD 10617 is owned by TWK ELEKTRONIK GMBH and is protected by copyright laws and international treaty provisions 2012 by TWK ELEKTRONIK GMBH POB 10 50 63 40041 D sseldorf Ger...

Page 3: ...ode 12 6 1 2 Measuring units per revolution Octet 10 13 13 6 1 3 Total measuring range in units Octet 14 17 13 6 2 Examples for parametration User_Prm_Data 14 7 Diagnosis messages DDLM_Slave_Diag 15 7...

Page 4: ...ation of the TWK encoder symbol 20 8 1 3 Selection of the TWK encoder from the Step7 hardware catalogue 20 8 1 4 Configuration of the encoder 20 8 1 5 Allocation of profibus address 21 8 1 6 Setting t...

Page 5: ...ELEKTRONIK GmbH s rotary encoders and linear transducers are used to record rotary and linear positions and make their measured values available as an electric output signal As part of a system they m...

Page 6: ...physics layer 2 Data Link Layer the bus access protocol and layer 7 Application Layer the application functions This document is based on the Profil description for encoders which can be obtained from...

Page 7: ...nd bus termination for PROFIBUS DP 2 Note 9 pin Sub D plug Cable type A specifications Characteristic impedance 135 165 Ohm Capacitance per unit length coating 30 pF m Loop resistance 110 Ohm km Core...

Page 8: ...ltage supply for the encoder 24 VDC PG 9 Bus in Receive transmit data A B PG 9 Bus out Receive transmit data A B The encoder is connected via the 15 pin SUB D plug In the event of an error the encoder...

Page 9: ...0 and F1 configurations The F0 configuration has the data format 1 word input data 1 word output data consistency and F1 contains 2 word input data 2 word output data consistency Possible configuraton...

Page 10: ...e machine position values and the absolute position of the encoder setting the preset value is unavoidable in certain cases The preset value is the position value which is displayed in the reference p...

Page 11: ...this message an offset value from the current actual position value and preset value is cal culated by the encoder If the output position value is equal to the preset value bit 31 can be reset by the...

Page 12: ...description Overview ot the encoder programming parameters Octet number parameter data class remarks 8 9 operating status 1 2 10 MSB 13 LSB Singleturn resolution 1 to 8192 steps revolution 1 000hex 2...

Page 13: ...ution and total measuring range in units parameters Following the execution of scaling function control the position value is recalculated and output 6 1 2 Measuring units per revolution Octet 10 13 6...

Page 14: ...Bit 1 0 class1 Class 2 encoder bus specific data operating status steps turn total steps octet 01 07 08 09 10 13 14 17 18 29 data 00 0A Bit 0 0 code sense CW 1 000 1 000 000 Bit 1 1 class 2 Bit 2 0 no...

Page 15: ...gnosis 1 Octet 7 9 Octet 8 16 16 diagnosis bytes Class 2 encoder 39H 57d 6 Standard diagnosis 1 Octet 7 56 Octet 8 63 63 diagnosis bytes Diagnosis octet number diagnosis function class 1 6 standard di...

Page 16: ...epiction in hexadecimal form e g 4096 revolutions 1000H 7 2 7 Additional alarm messages Octet 17 Not currently assigned End of diagnosis data for class 1 encoder Parameter alarm messages Diagnosis oct...

Page 17: ...orted not supported not supported supported Parameter profil version Diagnosis octet 24 25 Bit 15 8 7 0 Data 215 28 27 20 Definition revision number index Parameter software version Diagnosis octet 26...

Page 18: ...Bit Definiton Function Remarks 60 0 7 reserved 61 0 7 reservied 62 0 ErrEE EEPROM error reset encoder 1 ErrMSA MSA error reset encoder 2 ErrXRAM error external RAM reset encoder 3 ErrExp error connec...

Page 19: ..._Number CRD 7 Extended header byte 39 hex 63 diagnosis bytes 8 Alarm messages 00 hex No alarms are present 9 Operating mode 0A hex CW class 2 diagnosis no scaling yes 10 Encoder type 01 hex Multitour...

Page 20: ...ymbol your encoder is not depicted as an unknown subscriber in the hardware configuration but assumes the appearance of your encoder This is not however of significance as regards the function of the...

Page 21: ...ia dip switches See Chapter 3 2 and in the case of the plug version via software See Chapter 8 2 In addition select your planned Profibus in the Subnet and quit the window with OK The encoder subseque...

Page 22: ...dressed in S7 must be allocated The other entries in this register should not be changed The following Figure depicts an example of this register for a class 2 encoder with 32 bit single turn resoluti...

Page 23: ...r the second encoder Following confirmation with OK the encoder is configured and parameterised The hardware configuration can now be translated and transferred into S7 8 2 Setting the subscriber addr...

Page 24: ...other than a TWK profibus encoder is required There is one project for encoders with class 1 functionality and one for encoders with class 2 functionality Each project contains several programme fold...

Page 25: ...input and the non required function with a 0 signal zero marker M 0 0 8 3 2 The TWKDPCL2 project The class 2 project contains the following programme folders Program Istwert Identical to class 1 progr...

Page 26: ...nd Diag1 2 programme only Enter a preset value into DB100 data doubleword 0 for the second encoder DB100 data doubleword 8 and set this with the M 10 0 or M 10 1 If the preset value lies outside of th...

Page 27: ...acturer specific error message bits are evaluated and of these only those which may occur in Data Exchange Mode in normal bus operation Errors which can occur during bus initialisation cannot be detec...

Page 28: ...e for download in the internet www twk de under documentation Appendix A Encoder terms Parameter Explanation Measuring units per revolution The single turn resolution specifies the number of measuring...

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