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Encoder/1FT6 rotor co-ajustment

Created by: OliStotch79 at: 1/30/2012 3:39 PM (3 Replies)

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1/30/2012 3:39 PM	Rate (0)
OliStotch79 Posts: 1 Rating: (0)	Hi everyone! The question is not quite about drives, but there's no separate motor topic, so... We need to ajust absolute EQN1235 / 1FT6 motor rotor positions after motor's bearing replacement. 1FT6 maintenance instructions describes the procedure quite clearly: we just need to achieve the "EMF U U - Y with positive rise coincides with the falling edge of the MSB of the position word inside one revolution". The question is: how can I get the MSB's signal out of an EQN encoder? Not through EnDat, sure . Unfortunately, there's no technical information about EQN encoder itself, the idea to process the position word through Simovert MC with redirection of specified bit to discreete output also doesn't seem to be a good idea (I even not quite sure this to be possible - have to read compendium about this ). Has anyone made something like this, or I shouldn't try to do this at all? It's a pity then - a lot of work is already done...
OliStotch79 Posts: 1 Rating: (0)
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2/1/2012 6:09 AM	Rate (0)
Ekalavya Platinum Member Joined: 8/4/2009 Last visit: 5/31/2020 Posts: 2964 Rating: (463)	Hello.... There is a informations regarding the encoder alignment EQN 1325... Check this link... https://www.automation.siemens.com/doconweb/content.asp?item=13245&cd=sinumerik_simodrive_04_2010_e&scope=all once after aligning the current factor should be less not more...if it ismore it trips.... Regards, Prakash
	With Best Regards, Ekalavya
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1/29/2015 10:38 AM	Rate (0)
LiviusM Member Joined: 4/4/2014 Last visit: 1/15/2021 Posts: 1 Rating: (0)	Hello, I am interested too in this subject and please tel us if there is an independent adapter to obtain that MSB to analog signal for a scope... Many thanks.

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9/4/2016 8:00 PM	Rate (0)
Sietronic Member Joined: 9/4/2016 Last visit: 11/25/2016 Posts: 5 Rating: (0)	hello i tried to download or open that link but there is a generic manual page. has anyone managed to get the MSB for the zero position out of the encoder through the sinamics/Masterdrive and out again for alignment? I tried to look for aftermarket devices but there is nothing so far.

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