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v/f with s120 motor module

Created by: Ziemens at: 10/19/2016 9:20 AM (4 Replies)

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10/19/2016 9:20 AM	Rate (0)
Ziemens Silver Member Joined: 3/2/2007 Last visit: 3/24/2023 Posts: 827 Rating: (5)	can we use a sinamics s120 motor module with a cu320 control unit to run an normal asynchronous motor in v/f mode? without any speed feedback from the motor? will we have any errors or alarms? 6SL3120-2TE13-0AA4, SINAMICS S120 DOUBLE MOTOR MODULE INPUT: DC 600V OUTPUT: 3AC 400V, 3A/3A FRAME SIZE: BOOKSIZE INTERNAL AIR COOLING OPTIMIZED PULSE SAMPLE AND SUPPORT OF THE EXTENDED SAFETY INTEGRATED FUNCTIONS INCL. DRIVE-CLIQ CABLE 6SL3040-1MA00-0AA0, SINAMICS CONTROL UNIT CU320-2 DP WITH PROFIBUS INTERFACE WITHOUT COMPACT FLASH CARD 6SL3054-0EH01-1BA0, SINAMICS S120 COMPACTFLASH CARD WITH FIRMWARE OPTION PERFORMANCE-EXTENSION INCLUDING CERTIFICATE OF LICENCE V4.7 1LA7106-4AA11
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10/19/2016 9:24 AM	Rate (0)
Jeff Casagrande Posts: 1529 Rating: (201)	V/f? I don't think so, just SLVC. It would be a real capability waste for this drive anyway. That is what the V or G series if for. Update: Yes you can. I was mistaken. I just tried it using Starter (well, Scout).
Jeff Casagrande Posts: 1529 Rating: (201)	Last edited by: Jeff Casagrande at: 10/19/2016 12:35:13 PM
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10/19/2016 9:39 AM	Rate (0)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 3/21/2023 Posts: 5461 Rating: (735)	Hello Ziemens, yes, using vector control you can select V/f control. This is used often in case of common rectifier with multiple axis in servo or vector and some auxiliary drives with just V/f control. V/f control can be combined with vector controlled and servo controlled drives on one CU320.
	With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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10/19/2016 10:38 AM	Rate (0)
Ziemens Silver Member Joined: 3/2/2007 Last visit: 3/24/2023 Posts: 827 Rating: (5)	what is the maximum number of v/f motors can be controlled by this control unit ? can we go upto 8 ?
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10/19/2016 10:59 AM	Rate (0)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 3/21/2023 Posts: 5461 Rating: (735)	Hello, with V/f control you can handle up to 12 axes with a CU320-2.
	With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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