X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost05.isp.att.net ([207.115.11.55] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3731623 for flyrotary@lancaironline.net; Wed, 24 Jun 2009 19:20:12 -0400 Received-SPF: pass receiver=logan.com; client-ip=207.115.11.55; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-146-126-115.mco.bellsouth.net[72.146.126.115]) by isp.att.net (frfwmhc05) with SMTP id <20090624231935H050018c9ie>; Wed, 24 Jun 2009 23:19:35 +0000 X-Originating-IP: [72.146.126.115] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Relay Woes Date: Wed, 24 Jun 2009 19:19:35 -0400 Message-ID: <1BD9CBDFD2114318BB4E9E744CE56FFE@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01C9F500.B632D6C0" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Acn1IVlvGC3hC7/mSnWx9cX+P8WakAAALMfA X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C9F500.B632D6C0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Actually, I bet it will. Maybe a little downstream from it. :>) Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bobby J. Hughes Sent: Wednesday, June 24, 2009 8:14 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Relay Woes David, By any chance will your smoke system connected to your turbo :) Bobby _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of David Leonard Sent: Wednesday, June 24, 2009 9:34 AM To: Rotary motors in aircraft Subject: [FlyRotary] Relay Woes For you EE types, I have a question. I am installing a smoke system and wanted to use a relay to control the pump. I bought this relay from Mouser that I thought would do the trick: http://www.mouser.com/Search/ProductDetail.aspx?qs=sGAEpiMZZMtLEhJ5P%2fNsZ6b nrz6%2f%252b%252bJvA50eSiydqPQ%3d The problem is that if there is any load (like the pump or even the 0.02A indicator LED I installed, then the relay will not turn off when I turn off the signal voltage. So either I do not understand how to use the relay, or I chose the wrong relay. I have checked my wiring in-so-much as to confirm that the signal voltage does turn on and off with the switch, voltage across the 'LOAD" terminals does disappear when there is no load but not when there is a load (current). Is it possibly because this relay is designed for an AC load? Other suggestions? -- David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net ------=_NextPart_000_0006_01C9F500.B632D6C0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Actually, I bet it will. Maybe a little downstream from = it. :>)

Bill B

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bobby J. Hughes
Sent: Wednesday, June 24, = 2009 8:14 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Relay Woes

David,

By any chance will your = smoke system connected to your turbo :)

Bobby

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of David Leonard
Sent: Wednesday, June 24, = 2009 9:34 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] = Relay Woes

For you EE types, I have a question. I am installing = a smoke system and wanted to use a relay to control the pump. I = bought this relay from Mouser that I thought would do the trick:

http://www.mouser.com/Sea= rch/ProductDetail.aspx?qs=3DsGAEpiMZZMtLEhJ5P%2fNsZ6bnrz6%2f%252b%252bJvA= 50eSiydqPQ%3d

The problem is that if there is any load (like the pump or even the = 0.02A indicator LED I installed, then the relay will not turn off when I turn = off the signal voltage. So either I do not understand how to use the = relay, or I chose the wrong relay. I have checked my wiring in-so-much as to = confirm that the signal voltage does turn on and off with the switch, voltage = across the 'LOAD" terminals does disappear when there is no load but not = when there is a load (current).

Is it possibly because this relay is designed for an AC load? = Other suggestions?

--
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net http://RotaryRoster.net

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