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MM440 motor back slip

Created by: putta at: 9/24/2014 6:25 AM (9 Replies)

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9/24/2014 6:25 AM	Rate (0)
putta Posts: 77 Rating: (1)	dear sir, we are facing problem of motor back slip, we are using MM440 30KW drive. when errection time it is ok, after long run it giving problem. please help me how to stop motor back slip.
putta Posts: 77 Rating: (1)
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9/24/2014 8:08 AM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 11/23/2024 Posts: 8092 Rating: (882)	What do you mean by back slip? Are you getting any alarm or meassage?

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9/24/2014 8:32 AM	Rate (0)
putta Posts: 77 Rating: (1)	PISCEAN 2010 What do you mean by back slip? Are you getting any alarm or meassage? means drive d-acceliration time motor will little bit came to back rotation, no error massages.
putta Posts: 77 Rating: (1)
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9/24/2014 8:57 AM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 11/23/2024 Posts: 8092 Rating: (882)	What is the application? Does the load intertia is too high, which is causing motor to run? What is breaking system? Have you checked by de-coupling motor from load?

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9/24/2014 9:22 AM	Rate (0)
putta Posts: 77 Rating: (1)	PISCEAN 2010 What is the application? Does the load intertia is too high, which is causing motor to run? What is breaking system? Have you checked by de-coupling motor from load? copper coil winder machine, we are geving tention while copper winding, motor is break less,yes checked no back slip.
putta Posts: 77 Rating: (1)
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9/24/2014 10:04 AM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 11/23/2024 Posts: 8092 Rating: (882)	Application is torque control. Check your torque set point/limit values.

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9/25/2014 7:01 PM	Rate (0)
Vithani Platinum Expert Joined: 7/8/2009 Last visit: 6/7/2025 Posts: 1977 Rating: (479)	What is the setpoint? Using analog or Profibus?
	I dont Like people driving Fast, thats the reason I overtake them ;)
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9/26/2014 10:21 AM	Rate (0)
putta Posts: 77 Rating: (1)	Vithani What is the setpoint? Using analog or Profibus? upper torque limit:292.32 lower torque limit:-292.32 using Analog (potentiometer). for more see the attached parameter list. Attachment vartical wainding mc01.pdf (359 Downloads)
putta Posts: 77 Rating: (1)
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9/26/2014 1:42 PM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 11/23/2024 Posts: 8092 Rating: (882)	Please check the value in r0079 during deaccleration, whether it is changing or constant?

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9/27/2014 4:19 PM	Rate (0)
Vithani Platinum Expert Joined: 7/8/2009 Last visit: 6/7/2025 Posts: 1977 Rating: (479)	Try switching P1110 to 1 if negative direction is not required
	I dont Like people driving Fast, thats the reason I overtake them ;)
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