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masterdrive MC F051 fault

9/27/2013 7:22 AM	Rate (0)
vijayan.R Posts: 13 Rating: (0)	Dear All, we are using Masterdrive MC connected with incremental encoder, recently we faced the problem that drive trippedwith F051 fault & the fault value is 22.later we resetted the drive & the fault got cleared. we checked the encoder,encoder shield,encoder cable everything is ok,but im not able to find out the correct reason for this fault.kindly help me out to find the root cause. Regards, Vijayan R
vijayan.R Posts: 13 Rating: (0)
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10/7/2013 11:27 AM	Rate (0)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 1/19/2026 Posts: 6049 Rating: (828)	Hello, if the failure occurs further, you can trace the tracks with an oscilloscope. Maybe there are EMV-Problems or the tracks have a voltage level near the limit.
	With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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10/9/2013 11:52 AM	Rate (0)
Santechakg Posts: 13 Rating: (0)	Hellow vijiayan encoder may be faulty pls replace good one wbr santechakg
Santechakg Posts: 13 Rating: (0)
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10/15/2013 6:24 AM	Rate (0)
vijayan.R Posts: 13 Rating: (0)	Santechakg, Already we replaced the encoder & drive SBM card, but still problem repeating. Regards, Vijayan R
vijayan.R Posts: 13 Rating: (0)
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10/15/2013 5:29 PM	Rate (0)
zako_ Posts: 895 Rating: (67)	... and the encoder cable? I know from a plant where that was the cause. If you use firmware 1.5x I would change to FW1.6x.
zako_ Posts: 895 Rating: (67)
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12/24/2014 11:34 AM	Rate (0)
alieen Posts: 1 Rating: (0)	we checked the encoder,encoder shield,encoder cable everything is ok,but im not able to find out the correct reason for this fault.kindly help me out to find the ________________ emma
alieen Posts: 1 Rating: (0)	Last edited by: alieen at: 12/24/2014 11:34 AM
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12/30/2014 1:41 PM	Rate (0)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 1/19/2026 Posts: 6049 Rating: (828)	If encoder, encoder cable and SBM were already changed, also the CU could cause the problem. The first step could be to upgrade to the newest firmware version.
	With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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10/23/2017 9:35 PM	Rate (0)
summotim Posts: 1 Rating: (0)	TechTeam If encoder, encoder cable and SBM were already changed, also the CU could cause the problem. The first step could be to upgrade to the newest firmware version. Hi, All, I have same problem. With the fault F051 come out once a while I have changed Motor, encoder cable, drive and SBM encoder card. it still come out. Please help if somebody has any idea with it.
summotim Posts: 1 Rating: (0)
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