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SINAMICS S120 TORQUE MODE Fault F07902

Created by: AutoGen_8781149 at: 1/31/2017 8:26 AM (1 Replies)

1/31/2017 8:26 AM	Rate (1)
AutoGen_8781149 Posts: 2 Rating: (1)	Hi, On my multi-motor system, the winder motor work on torque mode, that’s means that with high speed reference and a low current limit, the motor is not running, stalled. But the first problem is the fault 7902, it appears immediately the motor not run. And the second problem is a no torque control on motor shaft. The parameter P2175 is set to 0 The selected mode is P1300 = 20 (Without encoder The CU320-2-PN It is possible work on torque mode without encoder? What are the parameters involved on this mode? Thanks a lot
AutoGen_8781149 Posts: 2 Rating: (1)
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1/31/2017 10:33 AM	Rate (0)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 1/27/2023 Posts: 5404 Rating: (727)	Hello, for a winder we always recommend using an encoder. The DCC winder application uses p1545 to prevent from F7902 when running in speed control with override and torque limiting.
	With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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