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Parameter Definition / CRC Calculation 7 Parameter Definition / CRC Calculation It is best to define the known parameters before configuration in the F-Host, so that they can be taken into account during configuration. The procedure, in conjunction with the SIEMENS configuration software SIMATIC Manager and the optional package S7 Distributed Safety, is described below. The TR_iParameter software required for the CRC calculation is a constituent of the software and support DVD, art. no.: 490-01001, also see chapter "Accessories" on page 206. The program can be found on this DVD under English --> Tools --> CRC calculation, TR_iParameter. 7.1 iParameters The iParameters are preconfigured with meaningful values in the default setting and should only be changed if expressly required by the automation task. A CRC calculation is necessary for safe transmission of the individually set iParameters. This must be performed when changing the predefined iParameters via the TR program "TR_iParameter". The calculated checksum corresponds to the F-Parameter F_iPar_CRC. This must be entered in the field with the same name in the Properties – DP slave window when configuring the measuring system with the hardware configurator, also see chapter "Setting the iParameters" on page 174. 7.1.1 CRC calculation across the iParameters The predefined standard values are used for the following example of a CRC calculation. These can be loaded in the TR_iParameter program using an XML template file. If different values are required, the standard values can be overwritten by double-clicking on the relevant entry. The modified parameters can be saved as a complete parameter set or opened again as a template. Printed in the Federal Republic of Germany © TR-Electronic GmbH 2010, All Rights Reserved 05/25/2011 TR - ECE - BA - DGB - 0079 - 03 Page 159 of 207
Parameter Definition / CRC Calculation ‣ Start TR_iParameter by means of the start file "TR_iParameter.exe", then open the template file provided with the measuring system with the menu Datei --> Vorlage öffnen... (as example here: CDH75M_001.xml). ‣ Modify the relevant parameters if necessary, then click on the CRC bilden switch for the F_iPar_CRC calculation. Each parameter change requires a new F_iPar_CRC calculation, which must then be taken into account in the projection. If a safety program is already present, it must be re-generated. © TR-Electronic GmbH 2010, All Rights Reserved Printed in the Federal Republic of Germany Page 160 of 207 TR - ECE - BA - DGB - 0079 - 03 05/25/2011
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TR-Electronic GmbH D-78647 Trossing
Page 5 and 6: Contents 5.6 SIN/COS interface / In
Page 7 and 8: Contents 11 Troubleshooting and Dia
Page 9 and 10: General information 1 General infor
Page 11 and 12: General information 1.3 General fun
Page 13 and 14: General information 1.4 Overview of
Page 15 and 16: Basic safety instructions 2.2 Gener
Page 17 and 18: Basic safety instructions 2.4 Safet
Page 19 and 20: Basic safety instructions 2.6 Organ
Page 21 and 22: Basic safety instructions ● The m
Page 23 and 24: Assembly 4 Assembly 4.1 Solid shaft
Page 25 and 26: Assembly 4.2 Hollow shaft version C
Page 27 and 28: Assembly Figure 5: Form closure Fig
Page 29 and 30: Installation / Preparation for Comm
Page 37 and 38: PROFIBUS / PROFIsafe - Commissionin
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Page 59 and 60: Safety Program Creation - Configura
Page 81 and 82: Access to the safety-oriented data
Page 87 and 88: Preset Adjustment Function 10.1 Pro
Page 89 and 90: Troubleshooting and Diagnosis Optio
Page 91 and 92: Troubleshooting and Diagnosis Optio
Page 93 and 94: Replacing the Measuring System 12 R
Page 95 and 96: Checklist Continued Sub-item To not
Page 97 and 98: Technical Data 14.2.2 Device-specif
Page 99 and 100: Appendix 15 Appendix 15.1 Abbreviat
Page 101 and 102: Appendix 15.2 TÜV certificate © T
Page 103 and 104: Appendix 15.4 Accessories 490-00101
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