---- START NEW MESSAGE --- Received: from cherry.ease.lsoft.com [209.119.0.109] by dpmail10.doteasy.com with ESMTP (SMTPD32-8.05) id A1AB10F40038; Tue, 27 Jan 2004 19:51:07 -0800 Received: from PEAR.EASE.LSOFT.COM (209.119.0.19) by cherry.ease.lsoft.com (LSMTP for Digital Unix v1.1b) with SMTP id <4.00CC01A9@cherry.ease.lsoft.com>; Tue, 27 Jan 2004 22:50:58 -0500 Received: from MITVMA.MIT.EDU by MITVMA.MIT.EDU (LISTSERV-TCP/IP release 1.8e) with spool id 9823 for PICLIST@MITVMA.MIT.EDU; Tue, 27 Jan 2004 22:50:51 -0500 Received: from MITVMA (NJE origin SMTP@MITVMA) by MITVMA.MIT.EDU (LMail V1.2d/1.8d) with BSMTP id 6516; Tue, 27 Jan 2004 22:49:26 -0500 Received: from harrier.mail.pas.earthlink.net [207.217.120.12] by mitvma.mit.edu (IBM VM SMTP Level 430) via TCP with ESMTP ; Tue, 27 Jan 2004 22:49:26 EST X-Comment: mitvma.mit.edu: Mail was sent by harrier.mail.pas.earthlink.net Received: from user-12hceq4.cable.mindspring.com ([69.22.59.68] helo=mikronus) by harrier.mail.pas.earthlink.net with smtp (Exim 3.33 #1) id 1Alghg-0007m5-00 for PICLIST@MITVMA.MIT.EDU; Tue, 27 Jan 2004 19:49:24 -0800 References: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Message-ID: <000d01c3e551$b92ece70$6401a8c0@mikronus> Date: Tue, 27 Jan 2004 21:49:25 -0600 Reply-To: pic microcontroller discussion list Sender: pic microcontroller discussion list From: Michael Johnston Subject: Re: [PIC]: Trouble assembling code for 16F84A To: PICLIST@MITVMA.MIT.EDU Precedence: list X-RCPT-TO: Status: U X-UIDL: 371856025 Ken I put the endc statement in there and changed one of the equates from capitiol letters to lower case and it compile thanks again Michael Johnston ----- Original Message ----- From: "Ken Pergola" To: Sent: Monday, January 26, 2004 10:20 PM Subject: Re: [PIC]: Trouble assembling code for 16F84A > Hi Michael, > > So far I see you forgot the 'ENDC' directive in you CBLOCK section in your > PIC16C55 source code... > > Add the 'ENDC' part and see if it compiles ok. > > Best regards, > > Ken Pergola > > -- > http://www.piclist.com hint: To leave the PICList > mailto:piclist-unsubscribe-request@mitvma.mit.edu -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads . Return-Path: <> Received: from mitvma.mit.edu ([18.92.0.3]) by tomts34-srv.bellnexxia.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20040130073729.FPKT23141.tomts34-srv.bellnexxia.net@mitvma.mit.edu> for ; Fri, 30 Jan 2004 02:37:29 -0500 Received: by mitvma.mit.edu (IBM VM SMTP Level 430) via spool with SMTP id 8245 ; Fri, 30 Jan 2004 02:37:24 EST Received: from MITVMA.MIT.EDU (NJE origin LISTSERV@MITVMA) by MITVMA.MIT.EDU (LMail V1.2d/1.8d) with BSMTP id 9183; Fri, 30 Jan 2004 02:37:24 -0500 Date: Fri, 30 Jan 2004 02:37:24 -0500 From: "L-Soft list server at MITVMA.MIT.EDU (1.8e)" Subject: PICLIST: error report from YAHOO.CO.UK To: listsjosh@3MTMP.COM, "For Blackholeeclipse@Earthlink.Net" Message-ID: X-LSV-ListID: None The enclosed message has been identified as a delivery error for the PICLIST list because it was sent to 'owner-piclist@MITVMA.MIT.EDU'. ------------------------------ Message in error ------------------------------- Received: from MITVMA (NJE origin SMTP@MITVMA) by MITVMA.MIT.EDU (LMail V1.2d/1.8d) with BSMTP id 9181; Fri, 30 Jan 2004 02:37:24 -0500 Received: from mta108.mail.ukl.yahoo.com [217.12.11.45] by mitvma.mit.edu (IBM VM SMTP Level 430) via TCP with SMTP ; Fri, 30 Jan 2004 02:37:23 EST X-Comment: mitvma.mit.edu: Mail was sent by mta108.mail.ukl.yahoo.com From: MAILER-DAEMON@yahoo.co.uk To: owner-piclist@mitvma.mit.edu X-Loop: MAILER-DAEMON@yahoo.co.uk Subject: Delivery failure Message from yahoo.co.uk. 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Return-Path: Received: from 209.119.0.109 (EHLO cherry.ease.lsoft.com) (209.119.0.109) by mta108.mail.ukl.yahoo.com with SMTP; Fri, 30 Jan 2004 07:37:26 +0000 Received: from PEAR.EASE.LSOFT.COM (209.119.0.19) by cherry.ease.lsoft.com (LSMTP for Digital Unix v1.1b) with SMTP id <13.00CC430E@cherry.ease.lsoft.com>; Fri, 30 Jan 2004 1:45:46 -0500 Received: from MITVMA.MIT.EDU by MITVMA.MIT.EDU (LISTSERV-TCP/IP release 1.8e) with spool id 0927 for PICLIST@MITVMA.MIT.EDU; Fri, 30 Jan 2004 01:24:56 -0500 Received: from MITVMA (NJE origin SMTP@MITVMA) by MITVMA.MIT.EDU (LMail V1.2d/1.8d) with BSMTP id 7145; Fri, 30 Jan 2004 01:16:36 -0500 Received: from mta03-svc.ntlworld.com [62.253.162.43] by mitvma.mit.edu (IBM VM SMTP Level 430) via TCP with SMTP ; Fri, 30 Jan 2004 01:16:35 EST X-Comment: mitvma.mit.edu: Mail was sent by mta03-svc.ntlworld.com Received: from server2k ([80.3.246.39]) by mta03-svc.ntlworld.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with ESMTP id <20040130061619.WETS14639.mta03-svc.ntlworld.com@server2k> for ; Fri, 30 Jan 2004 06:16:19 +0000 Received: from 192.168.0.1 by server2k ([192.168.0.1] running VPOP3) with SMTP for ; Fri, 30 Jan 2004 06:17:31 -0000 References: <20040129215352.735cee92.sunkist@iastate.edu> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-Server: VPOP3 V1.5.2 - Registered Message-ID: <009d01c3e6f8$be438600$0100a8c0@server2k> Date: Fri, 30 Jan 2004 06:17:31 -0000 Reply-To: pic microcontroller discussion list Sender: pic microcontroller discussion list From: spacecat Subject: [EE:]Re: High current PCB To: PICLIST@MITVMA.MIT.EDU Precedence: list Have you looked at the number of fet's you'll need or even the basic power requirements/cooling of your system? 12*1000A = 12kW! some of the best (1000A ) fets I've used are still 6mohms .. which is 6 volts dropped across one fet. even if you use 10 that's still 1000*1000*.0006 =600W dissipated in the fets. I'd use a relay. Richard ----- Original Message ----- From: "Eric Christensen" To: Sent: Friday, January 30, 2004 3:53 AM Subject: [EE]: High current PCB > Background: > > A friend of mine is building a dual battery system for his custom off-road > truck. His truck has a somewhat hard-starting chevy 350 engine and a > failure-prone electrical system. He wants to have a second battery that is not > normally connected to the system so that it won't be run dead in an electrical > failure. He then wants to be able to connect either battery to the engine > individually or both in parallel. > > He has worked out the circuit using several high power MOSFETs in parallel, but > does not know how to connect them. > > Problem: > > When starting the engine, 500 to 1000 amps may be drawn from the battery, so the > interconnect between the MOSFETs and batteries must be very heavy duty. So far, > our ideas include using some sort of copper busbar or a PCB with thick, wide > traces. > > Is it possible to make a PCB that can handle 1000 amps? We have looked at a PCB > trace width calculator online, but it isn't rated much beyond 30 amps. Is there > some sort of time-derating that we can apply? For instance, make a system that > can handle 1000 amps for 30 seconds, but then must cool for a minute or two? > > Thanks in advance! > > Eric > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. > -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body *** MESSAGE TRUNCATED *** .. .