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#1 muganga

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Posted 13 April 2006 - 02:17 AM

hello everybody...i need help about how simulate a seal's circuit (contactor + 2 pushbutton(start/stop)). My circuit is to start a motor...i tried simulate using EWB (electronic work bench) but when i push START..it didnt keep close.

thanks so much...if you can add at MSN to exchange information about EWB i'll thanks a lot.

Fernando Azevedo
mugangalinux (at) hotmail (dot) com
Brazil

#2 GGOSS

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Posted 13 April 2006 - 03:03 AM

Hello muganga,

I do not know too much about the EWB package however it would appear from your description that you may have neglected to add a 'seal' or 'hold in' contact accross the start button. This would normally be achieved through an auxilary contact from the main contactor.

Regards,
GGOSS

#3 Tua

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Posted 13 April 2006 - 10:38 AM

to muganga

You should remake your system form
contactor + 2 pushbutton(start/stop)
to
contactor + 2 pushbutton(start/stop) + 1 relay




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