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6/7/2011 6:50 AM | |
Joined: 11/18/2010 Last visit: 8/5/2022 Posts: 523 Rating: (32) |
hi marcelo, you can use Sinamics s120 Drive with CU320 for this application we have different mode for solving your application you can use torque control in your application like 1> indirect close loop tension control with dancer 2> direct closed loop tension control with dancer refer document for further information,....... AttachmentApplikation_DCC_winder_en_V2-1-1.zip (124 Downloads) |
6/7/2011 2:22 PM | |
Posts: 344 Rating: (50)
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Sinamics DCC Winder application version 3 is available (link). It can be requested from your local Siemens partner. For this application, a Simotion solution would be more appropriate. There is a standard converting application available for Simotion as well (link). The Simotion controller can set the speed of the printing group (MM440 drive) as well as control the infeed speed with tension loop. Direct speed closed-loop control with the dancer roll would work best. For a single drive replacement use a CU310 with a PM340 power module. If additional drives will be retrofitted at a later date a CU320 and with a common DC bus architecture will be something to consider. For a 15HP range a 1FT7 or 1PH8 motor families will work. What about the unwind? How is that controlled now? |
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