X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 27 Mar 2007 19:56:41 -0400 Message-ID: X-Original-Return-Path: Received: from an-out-0708.google.com ([209.85.132.245] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with ESMTP id 1946531 for lml@lancaironline.net; Tue, 27 Mar 2007 17:42:24 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.132.245; envelope-from=dballin@gmail.com Received: by an-out-0708.google.com with SMTP id c34so2293403anc for ; Tue, 27 Mar 2007 14:41:37 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=fJTBNHxVrLVuLA1HMj8kh2qEcR5NUtgCr9+/6CECWvRr72VeHMVLgM4foGOjUPVzdUiYSowQJvY61XL5L3e7nInemdIA1gpkGrRaUUB9iOlUu/jpPFPa/udaqN0c/X6OWqGl8Uz9l5vmJJhlBa95jzwIny+Gb90eenbp6gZ3lHE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=aYz6LtVEW74iuLH3KxptGBhGOWnjvYow4zEAKIoA21XbEdls59nZajnY5WwbTuuUpZpWKZt/2kbl81UguCbQRZYhD0aDE3BJKGbGUnMxprYk/0N+h062vtphQ1uOWUZudHFFSi0WSJKOk323/uES9k4zzFSfi4WxwWlySjrSDfI= Received: by 10.115.32.1 with SMTP id k1mr3357181waj.1175031696599; Tue, 27 Mar 2007 14:41:36 -0700 (PDT) Received: by 10.114.89.10 with HTTP; Tue, 27 Mar 2007 14:41:36 -0700 (PDT) X-Original-Message-ID: X-Original-Date: Tue, 27 Mar 2007 14:41:36 -0700 From: "Dan Ballin" Reply-To: dballin@gmail.com X-Original-To: "Lancair Mailing List" Subject: Re: [LML] Re: Essential Bus?? In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Colyn I agree with you, but maybe I am missing something. If say my main alt craps out. I wouldn't loose power to the bus. The battery should take over and I would have time to hit the cross-tie. I wouldn't think anything would reboot? Dan On 3/27/07, colyncase on earthlink wrote: > > > the only thing > an essential bus gives me is a list of items that I do not want to > shed > > how many micro-processors in your panel? > micro-processors have an ugly habit of rebooting when you remove power, even > for a moment. > > cross-tie doesn't help that problem. by the time you turn on the cross-tie > you are looking at seconds to minutes to get back whatever function those > micro-processors were doing. > > so you end up with some sort of diode setup. ...which will end up being 2 > diodes per important box or > 2 diodes per essential bus. > > automatic also useful when you are in a high workload situation, which you > would be. > > Colyn