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Electronic motor model

Created by: Timmy12345 at: 11/12/2010 1:35 PM (2 Replies)

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11/12/2010 1:35 PM	Rate (0)
Timmy12345 Posts: 61 Rating: (1)	Hello I have a Sinamics S120 system with synchronous motors and servo control. Sometimes i get the fault 7412,when this occurthe drive isswitching from speed control to torque control. One remedy for disabling the fault is to increase the motor model changeover speed (Parameter p1752 > p1082). I have read the Function manual page 84 where it says that the torque accuracy is higher when speed is above p1752. My questions are: Can anybody explain what is the difference between the two motor models? What will be the consequence ifI increase p1752 to be higher than p1082?. Is torque accuracy the only difference or is it more to it?
Timmy12345 Posts: 61 Rating: (1)
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5/22/2014 10:20 AM	Rate (0)
GrasserF Posts: 340 Rating: (6)	new question is splittet to fault 207412 "Commutation angle incorrect, 840D sl .
GrasserF Posts: 340 Rating: (6)
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11/17/2017 9:17 AM	Rate (0)
Jen_Moderator Diamond Member Joined: 6/19/2017 Last visit: 9/6/2024 Posts: 8175 Rating: (172)	New question published by osama daly is split to a separate thread with the subject Fault 7412 . Best regards Jen_Moderator

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