Return-Path: Received: from corpprd-pxy2.canfor.ca ([198.162.160.3] verified) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 381457 for flyrotary@lancaironline.net; Fri, 27 Aug 2004 16:20:13 -0400 Received-SPF: none receiver=logan.com; client-ip=198.162.160.3; envelope-from=Steve.Bartrim@canfor.com Received: from canformail1.canfor.ca (canformail1.canfor.ca [199.60.193.29]) by corpprd-pxy2.canfor.ca (Build 103 8.9.3p2/NT-8.9.3) with ESMTP id NAA03878 for ; Fri, 27 Aug 2004 13:19:42 -0700 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message Subject: RE: [FlyRotary] Re: EM-2 Liquid temp 2 and 3 connection Date: Fri, 27 Aug 2004 13:18:44 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C48C73.0D178770" Message-ID: <1F17B59A61D4194095359264D24D22A2708CCE@mailman.canfor.ca> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: EM-2 Liquid temp 2 and 3 connection Thread-Index: AcSLDV+XXI/c5LSiSIKoEt4truMU2QALtBXQ From: "Bartrim, Todd" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C48C73.0D178770 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable > As I understand it, the 5V pull-up circuit is included in the EM-2 for = the normal temps, but these aux channels can be used for other things. = Some of those other uses wouldn't work with a "normal" temp input = circuit, so he made these inputs in a more generic way, so you could add = the 5V pull-up externally, or not, depending on your needs >=20 This looks like it is a simple voltage divider in which case the = resistor values shouldn't matter much so long as the 2 resistors are = within a few of ohms of each other. Or is there something I'm overlooking? The reason I ask is that 200ohms = is not a standard resistor value (so I don't have any in my parts box), = so it doesn't seem likely that Tracy would chose that value for a simple = voltage divider, unless there is another reason. S. Todd Bartrim Turbo 13B RX-9endurance C-FSTB http://www3.telus.net/haywire/RV-9/C-FSTB.htm "Imagination is more important than knowledge" -Albert Einstein ------_=_NextPart_001_01C48C73.0D178770 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable RE: [FlyRotary] Re: EM-2 Liquid temp 2 and 3 connection

As I = understand it, the 5V pull-up circuit is included in the EM-2 for the = normal temps, but these aux channels can be used for other things.  = Some of those other uses wouldn't work with a "normal" temp = input circuit, so he made these inputs in a more generic way, so you = could add the 5V pull-up externally, or not, depending on your = needs

This looks like it = is a simple voltage divider in which case the resistor values shouldn't = matter much so long as the 2 resistors are within a few of ohms of each = other.

        Or is there something I'm overlooking? The = reason I ask is that 200ohms is not a standard resistor value (so I = don't have any in my parts box), so it doesn't seem likely that Tracy = would chose that value for a simple voltage divider, unless there is = another reason.

S. Todd = Bartrim
Turbo = 13B
RX-9endurance
C-FSTB
http://www3.telus.= net/haywire/RV-9/C-FSTB.htm

        "Imagination is more important than = knowledge"
        =         =         =         =         -Albert Einstein


------_=_NextPart_001_01C48C73.0D178770--