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Manual_LCon_S7-1200_S7-1500_S7-1500T_V301_en.pdf
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SIMATIC Winder and Tension Control
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Legal information
SIMATIC winding and tension control S7-1200/S7-1500(T)
Entry-ID: 58565043, V3.0.1, 01/2020
2
© Siemens AG
2020 All rights reserved
Legal information
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Table of contents
SIMATIC winding and tension control S7-1200/S7-1500(T)
Entry-ID: 58565043, V3.0.1, 01/2020
3
© Siemens AG
2020 All rights reserved
Table of contents
Legal information ......................................................................................................... 2
1 Winding and tension control – Overview ........................................................ 5
1.1 SIMATIC Converting Toolbox .............................................................. 5
1.2 Winding and tension control – core functions ...................................... 6
1.3 Additional functions .............................................................................. 7
1.4 Converting Diagnostic Pages (IT-Diag) ................................................ 8
2 Basic information about Winding and Tension Control ................................ 9
2.1 General overview of winders ................................................................ 9
2.2 General overview of tension control axis (sectional drive) ................. 11
2.3 Winding/Tension control concepts ..................................................... 12
3 Integration ........................................................................................................ 21
3.1 Integration into user program ............................................................. 21
3.2 Content of the library .......................................................................... 23
3.3 Starter – SINAMICS Configuration ..................................................... 24
3.4 TIA Portal – Hardware part................................................................. 24
4 Example project ............................................................................................... 27
5 Functional description .................................................................................... 29
5.1 General functions ............................................................................... 29
5.1.1 LCon_ReadCycleTimeS71200 ........................................................... 29
5.1.2 LCon_ReadCycleTimeS71500 ........................................................... 30
5.1.3 LCon_Linear ....................................................................................... 31
5.1.4 LCon_TableChar ................................................................................ 33
5.1.5 LCon_RFG – Ramp-function generator ............................................. 36
5.1.6 LCon_RFGJ – Ramp-function generator with rounding-off ................ 42
5.1.7 LCon_CalcStopDistance .................................................................... 48
5.1.8 LCon_ModuloIEC ............................................................................... 50
5.2 Logical functions ................................................................................. 52
5.2.1 LCon_TRIG ........................................................................................ 52
5.3 Scaling function blocks ....................................................................... 53
5.3.1 LCon_ScalingDWDRL ........................................................................ 53
5.3.2 LCon_ScalingRLDWD ........................................................................ 54
5.3.3 LCon_ScalingWDRL .......................................................................... 55
5.3.4 LCon_ScalingRLWD .......................................................................... 56
5.3.5 LCon_Scaling ..................................................................................... 57
5.4 Closed-Loop function blocks .............................................................. 58
5.4.1 LCon_PT1 .......................................................................................... 58
5.4.2 LCon_ReadAnalogInput ..................................................................... 61
5.4.3 LCon_Differentiator ............................................................................ 63
5.4.4 LCon_Integrator ................................................................................. 65
5.4.5 LCon_DT1 .......................................................................................... 69
5.4.6 LCon_Limiter ...................................................................................... 72
5.4.7 LCon_LevelControl ............................................................................. 74
5.4.8 LCon_DeadBand ................................................................................ 76
5.4.9 LCon_DeadZone ................................................................................ 78
5.4.10 LCon_AverageValue .......................................................................... 80
5.4.11 LCon_PID ........................................................................................... 82
5.4.12 LCon_TPID – PID-controller with setpoint channel ............................ 88
5.5 Drive related functions ........................................................................ 95
5.5.1 LCon_DriveControl ............................................................................. 95
5.5.2 LCon_SetpointChannel .................................................................... 102
5.5.3 LCon_FrictionMeasuement .............................................................. 106
Table of contents
SIMATIC winding and tension control S7-1200/S7-1500(T)
Entry-ID: 58565043, V3.0.1, 01/2020
4
© Siemens AG
2020 All rights reserved
5.6 Sectional drive functions .................................................................. 110
5.6.1 LCon_Sectional Drive ....................................................................... 110
5.6.2 LCon_SectionalConfigSetup ............................................................ 117
5.6.3 LCon_TorquePrecontrol ................................................................... 120
5.7 Winder function blocks ..................................................................... 126
5.7.1 LCon_DiamCalcDivision................................................................... 126
5.7.2 LCon_DiamCalcIntegral ................................................................... 129
5.7.3 LCon_DiamCalcAddition .................................................................. 135
5.7.4 LCon_DiamCalcWebLength ............................................................. 138
5.7.5 LCon_WITorquePrecontrol............................................................... 141
5.7.6 LCon_RestLengthCalc ..................................................................... 147
5.7.7 LCon_RestDiameterCalc.................................................................. 149
5.7.8 LCon_Taper ..................................................................................... 151
5.7.9 LCon_WinderConfigSetup................................................................ 156
5.7.10 LCon_Winder ................................................................................... 160
5.7.11 LCon_CalcTargetDiamStopCondition .............................................. 169
5.8 Data Types ....................................................................................... 173
6 Appendix ........................................................................................................ 180
6.1 Service and Support ......................................................................... 180
6.2 Application Support .......................................................................... 181
6.3 Links and Literature .......................................................................... 181
6.4 Change documentation .................................................................... 181
1 Winding and tension control – Overview
SIMATIC winding and tension control S7-1200/S7-1500(T)
Entry-ID: 58565043, V3.0.1, 01/2020
5
© Siemens AG
2020 All rights reserved
1 Winding and tension control – Overview
1.1 SIMATIC Converting Toolbox
The following library for realizing a winder/ tension control is part of the SIMATIC
Converting Toolbox:
https://support.industry.siemens.com/cs/ww/en/view/109744606
The SIMATIC Converting Toolbox was developed with the objective to provide a
collection of common standard functions which are necessary for any kind of
converting machines.
Converting describes the process of processing/finishing any kind of material. In
most cases this starts with unwinding a material web which then is processed in
one or several steps in machine types like
• Printing machines
• Coating lines
• Laminating machines
• Slitters
• Web Inspection machines
• Wire drawing machines
• Extrusion lines
• Textile machines
• Diaper machines
• …
The open source library contains tested and well-documented functions to provide
support to the user during development, programming and commissioning. Well-
structured interfaces as well as documented program code provide the possibility
to make customer-specific adaptations.
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