X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.253] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3731633 for flyrotary@lancaironline.net; Wed, 24 Jun 2009 19:13:13 -0400 Received-SPF: none receiver=logan.com; client-ip=66.219.56.253; envelope-from=bhughes@qnsi.net Return-Receipt-To: "Bobby J. Hughes" Subject: RE: [FlyRotary] Relay Woes MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C9F529.E3E4CAFA" Date: Wed, 24 Jun 2009 18:14:21 -0600 Disposition-Notification-To: "Bobby J. Hughes" Content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft Exchange V6.5 Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F315E519@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Relay Woes Thread-Index: Acn06fp053CZJIfgReCrDEKwWXvNkgAP8zCg References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C9F529.E3E4CAFA Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable David, =20 By any chance will your smoke system connected to your turbo :) =20 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=3DsGAEpiMZZMtLEhJ5P%2f= N sZ6bnrz6%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). =20 Is it possibly because this relay is designed for an AC load? Other suggestions? --=20 David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net ------_=_NextPart_001_01C9F529.E3E4CAFA Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
David,
 
By any chance will your smoke system = connected to=20 your turbo :)
 
Bobby

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of David=20 Leonard
Sent: Wednesday, June 24, 2009 9:34 AM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Relay=20 Woes

For you EE types, I have a question.   I am = installing a=20 smoke system and wanted to use a relay to control the pump.  I = bought this=20 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=20 problem is that if there is any load (like the pump or even the 0.02A = indicator=20 LED I installed, then the relay will not turn off when I turn off the = signal=20 voltage.  So either I do not understand how to use the relay, or I = chose=20 the wrong relay.  I have checked my wiring in-so-much as to confirm = that=20 the signal voltage does turn on and off with the switch, voltage across = the=20 'LOAD" terminals does disappear when there is no load but not when there = is a=20 load (current). 

Is it possibly because this relay is = designed for=20 an AC load?  Other suggestions?

--
David = Leonard

Turbo=20 Rotary RV-6 N4VY
http://N4VY.RotaryRoster.nethttp://RotaryRoster.net
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