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Difference between rated and reference speed

2/5/2014 6:47 AM	Rate (0)
yaloo Posts: 29 Rating: (0)	I am using S120 drive. In motor perameter have two type of speed P311[0](Rated Speed) and P2000 (Reference speed). Both are different value.Rated speed means it is motor nameplat value but what is reference speed? What is need of two type of speed?
yaloo Posts: 29 Rating: (0)
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2/5/2014 8:29 AM	Rate (0)
r.ramezani Posts: 21 Rating: (1)	p2000 is using for scaling the speed in profibus or another network
r.ramezani Posts: 21 Rating: (1)
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2/5/2014 10:43 AM	Rate (0)
yaloo Posts: 29 Rating: (0)	But is it correct rated speed set=2333RPM and referance speed =2435RPM
yaloo Posts: 29 Rating: (0)
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2/7/2014 2:10 PM	Rate (0)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 8/29/2025 Posts: 6037 Rating: (828)	Hello, you can insert in reference speed whatever you want. All internal values in SINAMICS are referred to the respective reference value.Therefore, changes in reference values do not affect internal calculation.Butnote that all values sent toor received from SINAMICS has to be referred to the same reference value in order not to get inscaling troubles.
	With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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