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How to Increase the Torque of Motor

Created by: loga at: 8/28/2014 9:24 AM (7 Replies)

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8/28/2014 9:24 AM	Rate (0)
loga Bronze Member Joined: 12/29/2012 Last visit: 11/24/2025 Posts: 120 Rating: (15)	Hi to All, In My Project i used CU310-pn And S7-1200 .I run the S120 In Posistioning Mode, MDI. The Control Type is Speed Control With Encoder. Motor i used1FK7101-2AC71-1QB0 Motor With Absolute Encoder . Load gear Ratio is 1:34.8. Now i Want to increase the torque of the motor.What are the Parameter are Required To Do this. Can I Increase the Motor Torque to 200% of rated torque by Parameter. Please Help Me , Thanks to Advance
	Last edited by: loga at: 8/28/2014 11:04 AM Best regards A.Logu
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8/28/2014 3:46 PM	Rate (0)
Deleted User Posts: 767 Rating: (69)	Hello loga, From your question, it appears you need more torque temporarily, which is likley during acceleration of motor and corresponding load. Assuming your power module has the capacity to supply temporarily 200% the rated current of the motor you can adjust the limit for current output by adjusting P0640 Current limit and P0338 Motor Current Limit. Best Regards, Deputy
Deleted User Posts: 767 Rating: (69)
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9/3/2014 7:18 AM	Rate (0)
loga Bronze Member Joined: 12/29/2012 Last visit: 11/24/2025 Posts: 120 Rating: (15)	Dear Deputy, Thanks for your reply, I Adjust the parmeter P0640 Current limit and P0338 .But Still my motor torque not increased . Any other parameter i need to change for increase the Motor Torque to 200%. Thanks in Advance...
	Best regards A.Logu
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9/3/2014 10:03 PM	Rate (0)
zako_ Posts: 895 Rating: (67)	... you can check the torque and power limit`s too (p1530, p1531, ....) You can trace the actual torque r80. Is it limited?
zako_ Posts: 895 Rating: (67)
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9/4/2014 6:12 AM	Rate (0)
nandgate Posts: 319 Rating: (9)	zako_ ... you can check the torque and power limit`s too (p1530, p1531, ....) You can trace the actual torque r80. Is it limited? You can try using torque boost option. Check out Paramters 1310, 1311 and 1312. With regards, nandgate.
nandgate Posts: 319 Rating: (9)
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9/5/2014 6:34 AM	Rate (0)
loga Bronze Member Joined: 12/29/2012 Last visit: 11/24/2025 Posts: 120 Rating: (15)	Dear Zako, Thanks for your Reply, Here i attached Screen Shot of Default Torque Setting .and In p1530 and 1531 already some value is there, That value is greater than 300% of the rated motor power. if i further increase the value in P1530 is make any problem??? Thanks in Advance... Attachment Torque_setting.zip (270 Downloads)
	Best regards A.Logu
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9/5/2014 6:38 AM	Rate (0)
loga Bronze Member Joined: 12/29/2012 Last visit: 11/24/2025 Posts: 120 Rating: (15)	Dear Nandgate , Thanks for your reply, My control unit is CU310-PN , i can't find out the the Parmeter P1310,P1311 in the Expert list of Control unit and Drive .Please guide me. Thanks in Advance
	Best regards A.Logu
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9/9/2014 12:28 PM	Rate (0)
Krunal Shah Posts: 31 Rating: (1)	Hello, Please tell us the application for which you require to increase the torque. Seeing your motor model no. it is servo motor. As mentioned in your query torque is already sufficient for initial start up of application. Check your application and then increase the torque. Regards, Krunal Shah
Krunal Shah Posts: 31 Rating: (1)
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