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6ra70 dcmaster

12/25/2017 5:35 PM	Rate (0)
dadkhah Advanced Member Joined: 6/21/2014 Last visit: 12/14/2025 Posts: 41 Rating: (0)	hello all I have a simoreg DC MASTER DRIVE 4Q 6RA70. first , I factory set the parameters and then change the parameters for motor and tachometer . when I start it in forward direction , it goes to speed up and sudden slowdown . (torque direction change between I and II ) and repeatedly goes to speed up and speed down .when I seen the output voltage of motor arnature(by osciloscope) it seen several positive pulse and suddenly a negative pulse and again some positive pulse . any one can help me? thanks a lot dadkhah_mo

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12/26/2017 4:27 AM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	Hello dadkhah, Already I replied you in your previous post. However please refer below reply. Simply loading motor parameter is not sufficient to comission DC drive. Please refer chapter 7 start up of manual (you need to get it download from this link). Just follow the steps from the manuals & carry out optimisation in sequence as mentioned in manual. This will solve your problem. HTH.
PISCEAN 2010 Posts: 8092 Rating: (884)
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12/26/2017 6:49 PM	Rate (0)
Jen_Moderator Posts: 8171 Rating: (174)	Closed cause question posted twice. The second thread with the subject 6ra70 torque direction changes is published within the conference DC converters SIMOREG. Best regards Jen_Moderator
Jen_Moderator Posts: 8171 Rating: (174)
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