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simoreg 6ra70

12/8/2009 6:57 AM	Rate (0)
mhan Member Joined: 12/7/2009 Last visit: 5/8/2024 Posts: 12 Rating: (0)	good day everyone!! regarding on this drive,is this 6ra70 is galvanically isolated or not? please give me some ideas,it is very new in my knowledge... is there anyone could help me??? thanks mhan

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12/12/2009 8:32 PM	Rate (0)
Gebhardt Karl Platinum Expert Joined: 7/16/2006 Last visit: 1/2/2024 Posts: 1502 Rating: (176)	mhan regarding on this drive,is this 6ra70 is galvanically isolated or not? No. Please see Handbook Side 103. http://support.automation.siemens.com/WW/view/en/22220212 When you need this, you must make it self with elektical Parts. ( I think the english partname is "separating Transformer", but I'm not sure) Why do you need this ? ( Note: I dont kwow American "law/regulations" )
	Karl
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12/14/2009 2:48 AM	Rate (0)
mhan Member Joined: 12/7/2009 Last visit: 5/8/2024 Posts: 12 Rating: (0)	ok thanks karl! i need this for somehow additional knowledges, in that matter i have know now the difference between micromaster and simoreg about this protection. please give me what is the importance of this isolation? it is be more safetier than the thyistor inside the simoreg board? for example, the simoreg is off and then accidentally theres current flow on the simoreg. the question is ,it is possible to damage the unit or not even if it is off? thanks!!! regards, mhan

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12/14/2009 4:33 PM	Rate (0)
Gebhardt Karl Platinum Expert Joined: 7/16/2006 Last visit: 1/2/2024 Posts: 1502 Rating: (176)	mhan ok thanks karl! i need this for somehow additional knowledges, in that matter i have know now the difference between micromaster and simoreg about this protection. please give me what is the importance of this isolation? it is be more safetier than the thyistor inside the simoreg board? for example, the simoreg is off and then accidentally theres current flow on the simoreg. the question is ,it is possible to damage the unit or not even if it is off? thanks!!! regards, mhan As Sample: Motor is turning, you make Mainswitch off (While Motor is runing) Motor have many energie, when he can not "Transfer" to the "Main-Power". Motor can make a high Voltage --> Motor works as "Generator". Simoreg can be destroyed. (This is posible with other Manufactor to)
	Karl
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12/15/2009 2:37 AM	Rate (0)
mhan Member Joined: 12/7/2009 Last visit: 5/8/2024 Posts: 12 Rating: (0)	motor is also off or simply the whole circuit regarding the simoreg was off. the problem is the main supply is on..... is there a possibility th current to flow even if the simoreg was connected to the ground and no any part of the simoreg are on
	Last edited by: mhan at: 12/15/2009 3:03 AM
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