<html><body><div style="font-family: tahoma,new york,times,serif; font-size: 14pt; color: #009900"><div>marc with regards to your e-mail, here are some clarifications.<br></div><ol style="list-style-type: undefined;"><li>@ 0801 hrs SVT MFCs on the space frame were disconnected by Hall B engineering, which is why the cRIO on the space frame hung up.</li><li>@ ~1030 hrs gotra noted the gas wasn't flowing to the SVT and contacted peter.<br data-mce-bogus="1"></li><li>tyler, pablo, amanda, marc restored the cRIO at ~1100 hrs.<br data-mce-bogus="1"></li><li>so, the MVT was without gas for ~3 hours.<br data-mce-bogus="1"></li></ol><div><span style="color: rgb(255, 0, 0);" data-mce-style="color: #ff0000;">Recommendations:</span><br data-mce-bogus="1"></div><ol style="list-style-type: undefined;"><li><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;">Hall B detector managers should be informed and should inform their counterparts via the mailing lists prior to any work on <em>any component</em> of the the gas system, so that t appropriate measures can be taken to ensure the safety of the detector. </span><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><br data-mce-bogus="1"></span></li><li><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;">MVT and HTCC <em>should invest</em> in owning their own cRIO system, so that all systems are independent, see table.</span><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><br data-mce-bogus="1"></span></li></ol><div><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"></span></span><table style="width: 90%; table-layout: fixed;" cellpadding="3px" border="1px"><tbody><tr><td><span style="font-size: 12pt; color: rgb(255, 0, 0);" data-mce-style="font-size: 12pt; color: #ff0000;">cRIO location</span><br></td><td><span style="font-size: 12pt; color: rgb(255, 0, 0);" data-mce-style="font-size: 12pt; color: #ff0000;">Systems</span><br></td><td><span style="font-size: 12pt; color: rgb(255, 0, 0);" data-mce-style="font-size: 12pt; color: #ff0000;">#of MFCs </span><br></td><td><span style="font-size: 12pt; color: rgb(255, 0, 0);" data-mce-style="font-size: 12pt; color: #ff0000;">Available spares</span><br></td></tr><tr><td><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">SVT</span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">1 to 3 </span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">0</span><br></td></tr><tr><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">Space Frame</span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">MVT</span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">5</span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">3</span><br></td></tr><tr><td><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">HTCC</span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">1</span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">0</span><br></td></tr><tr><td><br></td><td><br></td><td><br></td><td><br></td></tr><tr><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">Forward Carriage</span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">LTCC</span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">4</span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">2</span><br></td></tr><tr><td><br></td><td><br></td><td><br></td><td><br></td></tr><tr><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">Gas Shed </span><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">DC mixing system</span><br></td><td><span style="color: rgb(0, 0, 255); font-size: 12pt;" data-mce-style="color: #0000ff; font-size: 12pt;">4</span><br></td><td><span style="color: rgb(0, 0, 255); font-size: 12pt;" data-mce-style="color: #0000ff; font-size: 12pt;">1</span><br></td></tr><tr><td><br></td><td><span style="font-size: 12pt; color: rgb(0, 0, 255);" data-mce-style="font-size: 12pt; color: #0000ff;">DC supplies</span><br></td><td><span style="color: rgb(0, 0, 255); font-size: 12pt;" data-mce-style="color: #0000ff; font-size: 12pt;">3</span><br></td><td><br></td></tr><tr><td><br></td><td><br></td><td><br></td><td><br></td></tr></tbody></table></div><div><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><br data-mce-bogus="1"></span></div><div><span style="color: rgb(0, 0, 255);" data-mce-style="color: #0000ff;"><br data-mce-bogus="1"></span></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Marc Mcmullen" <mcmullen@jlab.org><br><b>To: </b>"Maxime Defurne" <mdefurne@jlab.org>, dsg-mvt@jlab.org, dsg-hallbgas@jlab.org<br><b>Cc: </b>"Bob Miller" <rmiller@jlab.org><br><b>Sent: </b>Wednesday, March 14, 2018 12:46:45 PM<br><b>Subject: </b>Re: [Dsg-mvt] MVT mass flow controller set points<br></div><div><br></div><div data-marker="__QUOTED_TEXT__">Maxime,<br><br>I am passing this information to the Hall B Gas community. Some work was <br>done to some of the mass flow controllers which are on the same cRIO as <br>the MVT. The gas system has been designed with a fix for mfc related <br>issues, so during some circumstances someone who is on-call may be <br>required to reboot one of the cRIOs, to reset the mfc software.<br><br>Additional training needs to be conducted if this is a potential problem <br>for the MVT. I will bring this up during our meeting, please talk with <br>Bob and Stepan so this information is known to all.<br><br>-Marc<br><br><br>On 3/14/2018 12:32 PM, mdefurne wrote:<br>> Hi Marc,<br>><br>> Everything is fine (Mixture ratio and flow).<br>><br>> But next time, please tell us before rebooting the cRIO so that we do <br>> not take any risk (HV was on and if something would not have been good <br>> with the gas for any reason, it would have been a disaster). I got a <br>> bit scared when I read your e mail :P<br>><br>> Cheers,<br>><br>> Maxime<br>><br>><br>> Le 14/03/2018 à 12:24, Marc McMullen a écrit :<br>>> Hi Maxime,<br>>><br>>> We had to reboot the cRIO which controls all the mfc for the space <br>>> frame, including the mixing system for mvt. Please check your set <br>>> points, and manual/automatic settings to ensure you are getting the <br>>> desired flow.<br>>><br>>><br>><br>> _______________________________________________<br>> Dsg-mvt mailing list<br>> Dsg-mvt@jlab.org<br>> https://mailman.jlab.org/mailman/listinfo/dsg-mvt<br><br>-- <br>Marc McMullen<br>Detector Support Group<br>757-269-7738<br><br>_______________________________________________<br>Dsg-mvt mailing list<br>Dsg-mvt@jlab.org<br>https://mailman.jlab.org/mailman/listinfo/dsg-mvt<br></div><div id="SL_balloon_obj" alt="0" style="display: block;"><div id="SL_button" class="SL_ImTranslatorLogo" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/imtranslator-s.png") repeat scroll 0% 0%; display: none; opacity: 1; left: 757px; top: 283px;"></div><div id="SL_shadow_translation_result2" style="display: none;"></div><div id="SL_shadow_translator" style="display: none;"><div id="SL_planshet"><div id="SL_arrow_up" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/up.png") repeat scroll 0% 0%;"></div><div id="SL_Bproviders"><div class="SL_BL_LABLE_ON" title="Google" id="SL_P0">G</div><div class="SL_BL_LABLE_ON" title="Microsoft" id="SL_P1">M</div><div class="SL_BL_LABLE_ON" title="Translator" id="SL_P2">T</div></div><div id="SL_alert_bbl" style="display: none;"><div id="SLHKclose" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/delete.png") repeat scroll 0% 0%;"></div><div id="SL_alert_cont"></div></div><div id="SL_TB"><table id="SL_tables" cellspacing="1"><tbody><tr><td class="SL_td" width="10%" align="right"><input id="SL_locer" title="Lock-in language" type="checkbox"></td><td class="SL_td" width="20%" align="left"><select id="SL_lng_from" style="background: rgb(255, 255, 255) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/select.png") no-repeat scroll 100% 0px;"><option value="auto">Detect language</option><option value="af">Afrikaans</option><option value="sq">Albanian</option><option value="ar">Arabic</option><option value="hy">Armenian</option><option value="az">Azerbaijani</option><option value="eu">Basque</option><option value="be">Belarusian</option><option value="bn">Bengali</option><option value="bs">Bosnian</option><option value="bg">Bulgarian</option><option value="ca">Catalan</option><option value="ceb">Cebuano</option><option value="ny">Chichewa</option><option value="zh-CN">Chinese (Simplified)</option><option value="zh-TW">Chinese (Traditional)</option><option value="hr">Croatian</option><option value="cs">Czech</option><option value="da">Danish</option><option value="nl">Dutch</option><option value="en">English</option><option value="eo">Esperanto</option><option value="et">Estonian</option><option value="tl">Filipino</option><option value="fi">Finnish</option><option value="fr">French</option><option value="gl">Galician</option><option value="ka">Georgian</option><option value="de">German</option><option value="el">Greek</option><option value="gu">Gujarati</option><option value="ht">Haitian Creole</option><option value="ha">Hausa</option><option value="iw">Hebrew</option><option value="hi">Hindi</option><option value="hmn">Hmong</option><option value="hu">Hungarian</option><option value="is">Icelandic</option><option value="ig">Igbo</option><option value="id">Indonesian</option><option value="ga">Irish</option><option value="it">Italian</option><option value="ja">Japanese</option><option value="jw">Javanese</option><option value="kn">Kannada</option><option value="kk">Kazakh</option><option value="km">Khmer</option><option value="ko">Korean</option><option value="lo">Lao</option><option value="la">Latin</option><option value="lv">Latvian</option><option value="lt">Lithuanian</option><option value="mk">Macedonian</option><option value="mg">Malagasy</option><option value="ms">Malay</option><option value="ml">Malayalam</option><option value="mt">Maltese</option><option value="mi">Maori</option><option value="mr">Marathi</option><option value="mn">Mongolian</option><option value="my">Myanmar (Burmese)</option><option value="ne">Nepali</option><option value="no">Norwegian</option><option value="fa">Persian</option><option value="pl">Polish</option><option value="pt">Portuguese</option><option value="pa">Punjabi</option><option value="ro">Romanian</option><option value="ru">Russian</option><option value="sr">Serbian</option><option value="st">Sesotho</option><option value="si">Sinhala</option><option value="sk">Slovak</option><option value="sl">Slovenian</option><option value="so">Somali</option><option value="es">Spanish</option><option value="su">Sundanese</option><option value="sw">Swahili</option><option value="sv">Swedish</option><option value="tg">Tajik</option><option value="ta">Tamil</option><option value="te">Telugu</option><option value="th">Thai</option><option value="tr">Turkish</option><option value="uk">Ukrainian</option><option value="ur">Urdu</option><option value="uz">Uzbek</option><option value="vi">Vietnamese</option><option value="cy">Welsh</option><option value="yi">Yiddish</option><option value="yo">Yoruba</option><option value="zu">Zulu</option></select></td><td class="SL_td" width="3" align="center"><div id="SL_switch_b" title="Switch languages" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/switchb.png") repeat scroll 0% 0%;"></div></td><td class="SL_td" width="20%" align="left"><select id="SL_lng_to" style="background: rgb(255, 255, 255) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/select.png") no-repeat scroll 100% 0px;"><option value="af">Afrikaans</option><option value="sq">Albanian</option><option value="ar">Arabic</option><option value="hy">Armenian</option><option value="az">Azerbaijani</option><option value="eu">Basque</option><option value="be">Belarusian</option><option value="bn">Bengali</option><option value="bs">Bosnian</option><option value="bg">Bulgarian</option><option value="ca">Catalan</option><option value="ceb">Cebuano</option><option value="ny">Chichewa</option><option value="zh-CN">Chinese (Simplified)</option><option value="zh-TW">Chinese (Traditional)</option><option value="hr">Croatian</option><option value="cs">Czech</option><option value="da">Danish</option><option value="nl">Dutch</option><option selected="selected" value="en">English</option><option value="eo">Esperanto</option><option value="et">Estonian</option><option value="tl">Filipino</option><option value="fi">Finnish</option><option value="fr">French</option><option value="gl">Galician</option><option value="ka">Georgian</option><option value="de">German</option><option value="el">Greek</option><option value="gu">Gujarati</option><option value="ht">Haitian Creole</option><option value="ha">Hausa</option><option value="iw">Hebrew</option><option value="hi">Hindi</option><option value="hmn">Hmong</option><option value="hu">Hungarian</option><option value="is">Icelandic</option><option value="ig">Igbo</option><option value="id">Indonesian</option><option value="ga">Irish</option><option value="it">Italian</option><option value="ja">Japanese</option><option value="jw">Javanese</option><option value="kn">Kannada</option><option value="kk">Kazakh</option><option value="km">Khmer</option><option value="ko">Korean</option><option value="lo">Lao</option><option value="la">Latin</option><option value="lv">Latvian</option><option value="lt">Lithuanian</option><option value="mk">Macedonian</option><option value="mg">Malagasy</option><option value="ms">Malay</option><option value="ml">Malayalam</option><option value="mt">Maltese</option><option value="mi">Maori</option><option value="mr">Marathi</option><option value="mn">Mongolian</option><option value="my">Myanmar (Burmese)</option><option value="ne">Nepali</option><option value="no">Norwegian</option><option value="fa">Persian</option><option value="pl">Polish</option><option value="pt">Portuguese</option><option value="pa">Punjabi</option><option value="ro">Romanian</option><option value="ru">Russian</option><option value="sr">Serbian</option><option value="st">Sesotho</option><option value="si">Sinhala</option><option value="sk">Slovak</option><option value="sl">Slovenian</option><option value="so">Somali</option><option value="es">Spanish</option><option value="su">Sundanese</option><option value="sw">Swahili</option><option value="sv">Swedish</option><option value="tg">Tajik</option><option value="ta">Tamil</option><option value="te">Telugu</option><option value="th">Thai</option><option value="tr">Turkish</option><option value="uk">Ukrainian</option><option value="ur">Urdu</option><option value="uz">Uzbek</option><option value="vi">Vietnamese</option><option value="cy">Welsh</option><option value="yi">Yiddish</option><option value="yo">Yoruba</option><option value="zu">Zulu</option></select></td><td class="SL_td" width="8%" align="center"><div id="SL_TTS_voice" title="Listen to the translation" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/ttsvoice.png") repeat scroll 0% 0%;"></div></td><td class="SL_td" width="8%" align="center"><div id="SL_copy" title="Copy translation" class="SL_copy" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/copy.png") repeat scroll 0% 0%;"></div></td><td class="SL_td" width="8%" align="center"><div id="SL_bbl_font_patch"></div><div id="SL_bbl_font" title="Font size" class="SL_bbl_font" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/font.png") repeat scroll 0% 0%;"></div></td><td class="SL_td" width="8%" align="center"><div id="SL_bbl_help" title="Help" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/bhelp.png") repeat scroll 0% 0%;"></div></td><td class="SL_td" width="15%" align="right"><div id="SL_pin" class="SL_pin_off" title="Pin pop-up bubble" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/pin-on.png") repeat scroll 0% 0%;"></div></td></tr></tbody></table></div></div><div id="SL_shadow_translation_result" style="visibility: visible;"></div><div id="SL_loading" class="SL_loading" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/loading.gif") repeat scroll 0% 0%;"></div><div id="SL_player2"></div><div id="SL_alert100">Text-to-speech function is limited to 200 characters</div><div id="SL_Balloon_options" style="background: rgb(255, 255, 255) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/bg3.png") repeat scroll 0% 0%;"><div id="SL_arrow_down" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/down.png") repeat scroll 0% 0%;"></div><table id="SL_tbl_opt" width="100%"><tbody><tr><td width="5%" align="center"><input id="SL_BBL_locer" checked="1" title="Show Translator's button 3 second(s)" type="checkbox"></td><td width="5%" align="left"><div id="SL_BBL_IMG" title="Show Translator's button 3 second(s)" style="background: rgba(0, 0, 0, 0) url("moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/img/util/bbl-logo.png") repeat scroll 0% 0%;"></div></td><td width="70%" align="center"><a href="moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/html/options/options.html?bbl" target="_blank" class="SL_options" title="Show options">Options</a> : <a href="moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/html/options/options.html?hist" target="_blank" class="SL_options" title="Translation History">History</a> : <a href="moz-extension://9a02252d-fe80-4f21-89c6-673418b2428d/content/html/options/options.html?feed" target="_blank" class="SL_options" title="ImTranslator Feedback">Feedback</a> : <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=GD9D8CPW8HFA2" target="_blank" class="SL_options" title="Make a small contribution">Donate</a><br data-mce-bogus="1"></td><td width="15%" align="right"><span id="SL_Balloon_Close" title="Close">Close</span></td></tr></tbody></table></div></div></div></div></body></html>