<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:Helvetica;
panose-1:2 11 6 4 2 2 2 2 2 4;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
span.EmailStyle20
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoNormal">Just got a message from Bob. The beam line work is done. Please do whatever you need to do and let me know when you are done.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">-Eugene<o:p></o:p></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt">
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b>From:</b> Marc Mcmullen <mcmullen@jlab.org> <br>
<b>Sent:</b> Tuesday, July 28, 2020 12:51<br>
<b>To:</b> Jiwan Poudel <jpoudel@jlab.org>; Eugene Pasyuk <pasyuk@jlab.org>; Kuhn, Sebastian E. <skuhn@odu.edu>; Bob Miller <rmiller@jlab.org>; Denny Insley <dinsley@jlab.org>; dsg-hallb_rtpc@jlab.org<br>
<b>Subject:</b> Re: [dsg-hallb_rtpc] [EXTERNAL] Re: Pressure transducer of RTPC<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Mohammad,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I will be at the lab later to confirm the wiring connection.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Marc<o:p></o:p></span></p>
</div>
<div class="MsoNormal" align="center" style="text-align:center">
<hr size="2" width="98%" align="center">
</div>
<div id="divRplyFwdMsg">
<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> dsg-hallb_rtpc <<a href="mailto:dsg-hallb_rtpc-bounces@jlab.org">dsg-hallb_rtpc-bounces@jlab.org</a>> on behalf of
<a href="mailto:mhattawy@odu.edu">mhattawy@odu.edu</a> <<a href="mailto:mohammad.hattawy@gmail.com">mohammad.hattawy@gmail.com</a>><br>
<b>Sent:</b> Tuesday, July 28, 2020 12:48 PM<br>
<b>To:</b> Jiwan Poudel <<a href="mailto:jpoudel@jlab.org">jpoudel@jlab.org</a>>; Eugene Pasyuk <<a href="mailto:pasyuk@jlab.org">pasyuk@jlab.org</a>>; Kuhn, Sebastian E. <<a href="mailto:skuhn@odu.edu">skuhn@odu.edu</a>>; Bob Miller <<a href="mailto:rmiller@jlab.org">rmiller@jlab.org</a>>;
Denny Insley <<a href="mailto:dinsley@jlab.org">dinsley@jlab.org</a>><br>
<b>Cc:</b> <a href="mailto:dsg-hallb_rtpc@jlab.org">dsg-hallb_rtpc@jlab.org</a> <<a href="mailto:dsg-hallb_rtpc@jlab.org">dsg-hallb_rtpc@jlab.org</a>><br>
<b>Subject:</b> Re: [dsg-hallb_rtpc] [EXTERNAL] Re: Pressure transducer of RTPC</span>
<o:p></o:p></p>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
</div>
<div>
<div>
<div>
<p class="MsoNormal">Dear Marc and DSG members, <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> We just heard an update from Marco Battaglieri that we may get the beam to the Hall by this weekend. Bob Miller will be putting the beamline components back. I would like to ask you kindly to help with fixing the pressure transducer
as soon as you can. <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Eugene, Please don't start sweeping the magnets till I confirm that we are done with this fix.
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Best regards,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Mohammad. <o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class="MsoNormal">On Tue, Jul 28, 2020 at 10:51 AM <a href="mailto:mhattawy@odu.edu">
mhattawy@odu.edu</a> <<a href="mailto:mohammad.hattawy@gmail.com">mohammad.hattawy@gmail.com</a>> wrote:<o:p></o:p></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<div>
<p class="MsoNormal">If you could not open the picture that Jiwan attached to his replay, here it is.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Mohammad. <o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class="MsoNormal">On Tue, Jul 28, 2020 at 10:48 AM <a href="mailto:mhattawy@odu.edu" target="_blank">
mhattawy@odu.edu</a> <<a href="mailto:mohammad.hattawy@gmail.com" target="_blank">mohammad.hattawy@gmail.com</a>> wrote:<o:p></o:p></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<div>
<p class="MsoNormal">Hello Marc, <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> Following our phone call this morning, It has to be what you call PDT2.
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Mohammad.<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class="MsoNormal">On Tue, Jul 28, 2020 at 10:45 AM Jiwan Poudel <<a href="mailto:jpoudel@jlab.org" target="_blank">jpoudel@jlab.org</a>> wrote:<o:p></o:p></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<p class="MsoNormal">Hello all, <o:p></o:p></p>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">We have two differential transducer (PDTs): RTPC-DMS (PDT332) and RTPC-Buffer(PDT208). So I am taking about RTPC-DMS pressure transducer. I have only this photo right now, where you can see one two wires are coming out from PDT.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Thank you,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Jiwan<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"><img border="0" id="_x0000_i1033" src="https://logbooks.jlab.org/files/2020/07/3817116/20200727_121656.jpg"><o:p></o:p></p>
<div>
<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal">On Jul 28, 2020, at 10:19 AM, <a href="mailto:mhattawy@odu.edu" target="_blank">
mhattawy@odu.edu</a> <<a href="mailto:mohammad.hattawy@gmail.com" target="_blank">mohammad.hattawy@gmail.com</a>> wrote:<o:p></o:p></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Hello Jiwan, <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> Sounds like the DSG group is not fully sure about the specification of this transducer as they used to name it PT2. Can you please send them some pics of the transducer
as the ones I did for the other one. <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Mohammad<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Tue, Jul 28, 2020 at 10:04 AM <a href="mailto:mhattawy@odu.edu" target="_blank">mhattawy@odu.edu</a> <<a href="mailto:mohammad.hattawy@gmail.com" target="_blank">mohammad.hattawy@gmail.com</a>>
wrote:<o:p></o:p></span></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Dear DSG members,<o:p></o:p></span></p>
</div>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> Please send us the cables color code for PDT332 to connect it back. <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Regards,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Mohammad. <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Mon, Jul 27, 2020 at 20:37 <<a href="mailto:jpoudel@jlab.org" target="_blank">jpoudel@jlab.org</a>> wrote:<o:p></o:p></span></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">I am sorry to write again, but I have to inform to you all correctly. I wanted to write "cable from transducer pt332 is not attached to chassis but GUI is showing a large
negative value. How?" Previus email was confusing (isn't is changed to is) so have to write again. <o:p></o:p></span></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Jul 27, 2020 20:09, <a href="mailto:jpoudel@jlab.org" target="_blank">jpoudel@jlab.org</a> wrote:<o:p></o:p></span></p>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">PDT208 is working fine, the connection is good. I verified connection and connected it to chassis. Its showing quite reasonable reading also.
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">PDT332( RTPC-DMS diff) is showing some weird number in epics GUI even before its connected to system. Cable from transducer is attached at chassis. How? I have no idea.( see
attached) I think it should show zero. I compare PDT208(rtpc-buffer) reading removing cable from chassis, and it shows zero.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">In addition, Connecting wires at transducer PDT332 are coming out. So we need color code of cables before connecting it.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Thank you,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Jiwan<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Jul 27, 2020 19:18, <a href="mailto:jpoudel@jlab.org" target="_blank">jpoudel@jlab.org</a> wrote:<o:p></o:p></span></p>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Hello Marc,
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Can you please send me the connection of PDT 332 (color code of cables) also?<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">In PDT 208, white and green are together. Are they -15V? <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Thank you,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Jiwan<o:p></o:p></span></p>
</div>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Jul 27, 2020 18:40, JIWAN POUDEL <<a href="mailto:jpoud001@odu.edu" target="_blank">jpoud001@odu.edu</a>> wrote:<o:p></o:p></span></p>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">I will check the connections and verify it is correct before plugging in to chassis.
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Thank you,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Jiwan<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Jul 27, 2020, at 6:22 PM, <a href="mailto:mhattawy@odu.edu" target="_blank">mhattawy@odu.edu</a> <<a href="mailto:mohammad.hattawy@gmail.com" target="_blank">mohammad.hattawy@gmail.com</a>>
wrote:<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Thanks Marc, <o:p></o:p></span></p>
</div>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> Maybe the beacon was on, but for sure the magnets are off. Unfortunately, I can’t get to the Lab till Wednesday. Jiwan can you connect it back?<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Mohammad<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Mon, Jul 27, 2020 at 18:18 Marc Mcmullen <<a href="mailto:mcmullen@jlab.org" target="_blank">mcmullen@jlab.org</a>> wrote:<o:p></o:p></span></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Hi Mohammad and Jiwan,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">I have replaced the fuse in the chassis and checked the internal components for issues. I did not reconnect the connector for the PDT 208 (differential pressure DMS to RTPC) because I could not verify if the
contacts are wired correctly since it was reconnected, because the magnet beacon is on. I have attached a pinout which can be used to verify connections prior to plugging it back into the interface chassis.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Regards,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Marc<o:p></o:p></span></p>
</div>
<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">
<hr size="2" width="474" style="width:355.25pt" align="center">
</span></div>
<div>
<p class="MsoNormal"><b>From:</b> Marc Mcmullen <<a href="mailto:mcmullen@jlab.org" target="_blank">mcmullen@jlab.org</a>><br>
<b>Sent:</b> Friday, July 24, 2020 11:18 AM<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><br>
<b>To:</b> <a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a> <<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a>><br>
<b>Subject:</b> Re: [dsg-hallb_rtpc] [EXTERNAL] Re: Pressure transducer of RTPC<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> <o:p></o:p></span></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Thanks Mohammad,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">I'll look into the spares first. Then contact you about the repair.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Regards,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Marc<o:p></o:p></span></p>
</div>
<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">
<hr size="2" width="474" style="width:355.25pt" align="center">
</span></div>
<div>
<p class="MsoNormal"><b>From:</b> dsg-hallb_rtpc <<a href="mailto:dsg-hallb_rtpc-bounces@jlab.org" target="_blank">dsg-hallb_rtpc-bounces@jlab.org</a>> on behalf of <a href="mailto:mhattawy@odu.edu" target="_blank">mhattawy@odu.edu</a> <<a href="mailto:mohammad.hattawy@gmail.com" target="_blank">mohammad.hattawy@gmail.com</a>><br>
<b>Sent:</b> Friday, July 24, 2020 11:16 AM<br>
<b>To:</b> <a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a> <<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a>><br>
<b>Subject:</b> Re: [dsg-hallb_rtpc] [EXTERNAL] Re: Pressure transducer of RTPC<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> <o:p></o:p></span></p>
</div>
</div>
<div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Hello Marc, <o:p></o:p></span></p>
</div>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> The magnets will be energized starting from 3:30 pm today to Monday morning. You won’t be able to get to the gas panel, that is within the fields of the magnets. <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Mohammad<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Fri, Jul 24, 2020 at 11:11 Marc Mcmullen <<a href="mailto:mcmullen@jlab.org" target="_blank">mcmullen@jlab.org</a>> wrote:<o:p></o:p></span></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Hi Jiwan,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">I am going to see if we have some spare supplies for that chassis. When I have the swap out in hand, I'll need to coordinate with your group to complete the repair.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">The chassis will have to be de-energized and removed from the rack for repair. This means the MFC and the other connected sensors will have to be shut down while I make the repairs. <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Additionally, I will be doing this work either on the weekend or after hours, to avoid coming into contact with others.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">I'll let you know the status of the spares sometime today, so we can coordinate the system outage.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Regards,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Marc<o:p></o:p></span></p>
</div>
<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">
<hr size="2" width="462" style="width:346.2pt" align="center">
</span></div>
<div>
<p class="MsoNormal"><b>From:</b> dsg-hallb_rtpc <<a href="mailto:dsg-hallb_rtpc-bounces@jlab.org" target="_blank">dsg-hallb_rtpc-bounces@jlab.org</a>> on behalf of Jiwan Poudel <<a href="mailto:jpoudel@jlab.org" target="_blank">jpoudel@jlab.org</a>><br>
<b>Sent:</b> Friday, July 24, 2020 9:33 AM<br>
<b>To:</b> <a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a> <<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a>><br>
<b>Subject:</b> Re: [dsg-hallb_rtpc] [EXTERNAL] Re: Pressure transducer of RTPC<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> <o:p></o:p></span></p>
</div>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Hello Brian,
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Those power pins are not showing what it should show. Pin 6 and 5 showing -28.7V and pins 7 and 5 showing only 1.3V.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Thank you,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Jiwan<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Jul 23, 2020, at 2:29 PM, Brian Eng <<a href="mailto:beng@jlab.org" target="_blank">beng@jlab.org</a>> wrote:<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Thanks Mohammad,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Fortunately it already has the pinout on it.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Unplug that connector and measure between pins 6 & 5 for -15 VDC, 7 & 5 for +15 VDC. If those are good then it isn't power.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Next open the backshell of that connector and connect probes to 2 & 12 to see if it is reading the same voltage as the cRIO (~4 VDC). If the reading at the sensor matches the cRIO it probably isn't the cabling.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Lastly I would disconnect the detector and open the valves so that sensor is exposed to ambient pressure and see what it reads, if it's still ~400 torr then it is most likely the sensor, but could be the cabling/chassis.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">To eliminate that possibility the sensor would need to be removed and tested on a bench using the same pins as listed above.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">I don't think we (DSG) have a direct replacement for that, so I'd try Hall B and if not you'd need to talk with Bob as that involves changing a pressure system component.<o:p></o:p></span></p>
</div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">
<hr size="2" width="624" style="width:468.2pt" align="center">
</span></div>
<div>
<p class="MsoNormal"><b>From:</b> dsg-hallb_rtpc <<a href="mailto:dsg-hallb_rtpc-bounces@jlab.org" target="_blank">dsg-hallb_rtpc-bounces@jlab.org</a>> on behalf of <a href="mailto:mhattawy@odu.edu" target="_blank">mhattawy@odu.edu</a><<a href="mailto:mohammad.hattawy@gmail.com" target="_blank">mohammad.hattawy@gmail.com</a>><br>
<b>Sent:</b> Thursday, July 23, 2020 1:21 PM<br>
<b>To:</b> <a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a> <<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a>><br>
<b>Subject:</b> [dsg-hallb_rtpc] [EXTERNAL] Re: Pressure transducer of RTPC<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> <o:p></o:p></span></p>
</div>
</div>
<div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><image_123923953.JPG><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><image_123923953.JPG><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><image_6483441.JPG><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On Thu, Jul 23, 2020 at 12:38 Brian Eng <<a href="mailto:beng@jlab.org" target="_blank">beng@jlab.org</a>> wrote:<o:p></o:p></span></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Hi Jiwan,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">The voltage being read back by the cRIO is ~4V which is being converted correctly to ~400 torr.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Can you get the full model number of PT334 so I can better give some suggestions on what you guys could measure to help troubleshoot?<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt">Off-hand some of the things that could be wrong is: the sensor not getting proper supply voltage, a loose connection of the output to the cRIO as it is getting some voltage back, or a bad sensor (let's hope
it isn't that as that was the only one we had in that range).<o:p></o:p></span></p>
</div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
</div>
<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">
<hr size="2" width="612" style="width:459.15pt" align="center">
</span></div>
<div>
<p class="MsoNormal"><b>From:</b> Jiwan Poudel <<a href="mailto:jpoudel@jlab.org" target="_blank">jpoudel@jlab.org</a>><br>
<b>Sent:</b> Thursday, July 23, 2020 11:20 AM<br>
<b>To:</b> Brian Eng <<a href="mailto:beng@jlab.org" target="_blank">beng@jlab.org</a>><br>
<b>Cc:</b> <a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a> <<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a>><br>
<b>Subject:</b> Pressure transducer of RTPC<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"> <o:p></o:p></span></p>
</div>
</div>
</div>
</div>
<div>
<div>
<div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Hello Brian,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">RTPC abs. Pressure transducer seems not working properly. This should show around 760 torr (~ 1 atm), but showing about 400 torr only. What could be the reason?<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Thank you,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Jiwan<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><img border="0" id="_x0000_i1032" src="https://logbooks.jlab.org/files/2020/07/3815911/clonsl2_20200722_081248.gif"></span><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
</div>
</div>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">_______________________________________________<br>
dsg-hallb_rtpc mailing list<br>
<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a><br>
<a href="https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc" target="_blank">https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc</a><o:p></o:p></span></p>
</blockquote>
</div>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">-- <o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Best regards,<br>
Mohammad Hattawy.<o:p></o:p></span></p>
</div>
</div>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">_______________________________________________<br>
dsg-hallb_rtpc mailing list<br>
<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a><br>
<a href="https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc" target="_blank">https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc</a><o:p></o:p></span></p>
</div>
</blockquote>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
</div>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">_______________________________________________<br>
dsg-hallb_rtpc mailing list<br>
<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a><br>
<a href="https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc" target="_blank">https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc</a><o:p></o:p></span></p>
</blockquote>
</div>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">-- <o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Best regards,<br>
Mohammad Hattawy.<o:p></o:p></span></p>
</div>
</div>
</div>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">_______________________________________________<br>
dsg-hallb_rtpc mailing list<br>
<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a><br>
<a href="https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc" target="_blank">https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc</a><o:p></o:p></span></p>
</blockquote>
</div>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">-- <o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Best regards,<br>
Mohammad Hattawy.<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">_______________________________________________<br>
dsg-hallb_rtpc mailing list<br>
<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a><br>
<a href="https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc" target="_blank">https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc</a><o:p></o:p></span></p>
</div>
</blockquote>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
</div>
</blockquote>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
</blockquote>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
</div>
</div>
</blockquote>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
</div>
</div>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">_______________________________________________<br>
dsg-hallb_rtpc mailing list<br>
<a href="mailto:dsg-hallb_rtpc@jlab.org" target="_blank">dsg-hallb_rtpc@jlab.org</a><br>
<a href="https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc" target="_blank">https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rtpc</a><o:p></o:p></span></p>
</blockquote>
</div>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">-- <o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Best regards,<br>
Mohammad Hattawy.<o:p></o:p></span></p>
</div>
</blockquote>
</div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><br clear="all">
<br>
-- </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">Best regards,<br>
Mohammad Hattawy.<o:p></o:p></span></p>
</div>
</div>
</blockquote>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</div>
</blockquote>
</div>
<p class="MsoNormal"><br clear="all">
<br>
-- <o:p></o:p></p>
<div>
<p class="MsoNormal">Best regards,<br>
Mohammad Hattawy.<o:p></o:p></p>
</div>
</blockquote>
</div>
<p class="MsoNormal"><br clear="all">
<br>
-- <o:p></o:p></p>
<div>
<p class="MsoNormal">Best regards,<br>
Mohammad Hattawy.<o:p></o:p></p>
</div>
</blockquote>
</div>
<p class="MsoNormal"><br clear="all">
<br>
-- <o:p></o:p></p>
<div>
<p class="MsoNormal">Best regards,<br>
Mohammad Hattawy.<o:p></o:p></p>
</div>
</div>
</div>
</div>
</body>
</html>