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DC-Buss threshold (Under voltage) on S120 system.

Created by: Knotten25 at: 10/8/2009 11:06 PM (4 Replies)

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10/8/2009 11:06 PM	Rate (0)
Knotten25 Posts: 4 Rating: (0)	DC-Buss threshold (Under voltage). I have problems with the threshold on the DC bus. I can`t adjust the p278. It looks like r296 can be reduced by adjusting p278 from 0 to -80. The under voltage threshold (r296) is 526V. What can be done to reduce this voltage threshold to prevent the drives from tripping under voltage drops of m.sek?
Knotten25 Posts: 4 Rating: (0)
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10/9/2009 2:24 PM	Rate (0)
Drives_Coach Posts: 133 Rating: (13)	Hello, I think p1248 will help you out but you may want to add to your post what type S120 format you are using (single axis, multiaxis) along with the fault you are seeing and if using multiaxis is the fault on the line module or motor module.
Drives_Coach Posts: 133 Rating: (13)
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10/13/2009 11:35 AM	Rate (0)
Knotten25 Posts: 4 Rating: (0)	Hi, TheS120 formatweare using isan multiaxis and the fault I’m seeing when try to change the p278 is attached under. The fault is on themotor module. Attachment F30003.JPG (132 Downloads)
Knotten25 Posts: 4 Rating: (0)
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10/13/2009 11:38 AM	Rate (0)
Knotten25 Posts: 4 Rating: (0)	This is the error when trying to change p278. Attachment Error p278.JPG (147 Downloads)
Knotten25 Posts: 4 Rating: (0)
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10/28/2013 12:41 PM	Rate (0)
Ahmed Tawfik Posts: 5 Rating: (1)	You not able to change because you have pulse enable in one or more Drive Object. you need to switch off pulses then you can change it.
Ahmed Tawfik Posts: 5 Rating: (1)	Last edited by: Ahmed Tawfik at: 10/28/2013 12:42 PM
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