<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Pablo,</div><div><br data-mce-bogus="1"></div><div>This question should be directed to Dave Kashy.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Ruben<br data-mce-bogus="1"></div><div><br></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Pablo Campero Rojas" <campero@jlab.org><br><b>To: </b>"dsg-hallb magnets" <dsg-hallb_magnets@jlab.org><br><b>Cc: </b>"John Hogan" <hogan@jlab.org><br><b>Sent: </b>Wednesday, May 17, 2017 11:52:37 AM<br><b>Subject: </b>Re: [Dsg-hallb_magnets] Solenoid Meeting minutes<br></div><div><br></div><div data-marker="__QUOTED_TEXT__"><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><br><div>Ruben and Renuka,<br></div><br><div>Based on the operational cryogenic parameter shown by Jhon. Are you agreed to take as a 'Controlled Ramp (PLC)' threshold (for PT8670) ~ 0.98 [atm] for the Solenoid Magnet interlocks?</div><br><div>Do we want to have a 'Fast Dump (PLC)' event for this pressure signal? If this is the case, what should be this threshold value?<br></div><br><div>Best Regards,</div><div>Pablo </div><div> </div><hr id="zwchr"><div><b>From: </b>"Ruben Fair" <rfair@jlab.org><br><b>To: </b>"Pablo Campero Rojas" <campero@jlab.org><br><b>Sent: </b>Wednesday, May 17, 2017 11:07:55 AM<br><b>Subject: </b>Fwd: [Dsg-hallb_magnets] Solenoid Meeting minutes<br></div><br><div><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><br><div>FYI<br></div><hr id="zwchr"><div><b>From: </b>"John Hogan" <hogan@jlab.org><br><b>To: </b>"David Kashy" <kashy@jlab.org><br><b>Cc: </b>"Probir Ghoshal" <ghoshal@jlab.org>, "Ruben Fair" <rfair@jlab.org>, "Joseph Matalevich" <josephm@jlab.org>, "Glenn Young" <gyoung@jlab.org>, "Renuka Rajput-Ghoshal" <renuka@jlab.org><br><b>Sent: </b>Wednesday, May 17, 2017 10:57:18 AM<br><b>Subject: </b>Re: [Dsg-hallb_magnets] Solenoid Meeting minutes<br></div><br><div><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000"><div>Dave,<br></div><br><div> The cryogenic operational (pressure) parameter provided by ETI is not to exceed 2.2 Bar (design is 3.2 Bar). As long as the control system is designed below this limit, the operation of the solenoid will be within the ETI design parameters.<br></div><br><div> Please let me know if you need anything else. <br></div><br><div>Thanks,<br></div><div>John<br></div><br><br><br><span id="zwchr">----- On May 17, 2017, at 10:17 AM, kashy <kashy@jlab.org> wrote:<br></span><div><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><div>Hi Guys </div><div id="AppleMailSignature">RV8670 set value is 1.5/2.0 ATM depending if guard vacuum is on</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">PT8670 effects coil temperatures but also may effect shield flow and thus coil temperatures (in the opposite direction)</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">I see from the meeting minutes that I'm to provide interlock set points for controlled and fast dump</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">I'd say that we should expect to see the warm return pressure range from 1.07 to1.3.</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Depending on how the shield works then PT8670 will be somewhat higher </div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">If the guard vac is off we probably do not want to power it at all</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">If GV is on we have some headroom but how much is not clear</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Can ETI provide the interlock thresholds</div><div id="AppleMailSignature"><br>Dave</div><div><br>Begin forwarded message:<br><br></div><blockquote><div><b>From:</b> Pablo Campero <<a href="mailto:campero@jlab.org" target="_blank">campero@jlab.org</a>><br><b>Date:</b> May 16, 2017 at 5:12:02 PM EDT<br><b>To:</b> dsg-hallb magnets <<a href="mailto:dsg-hallb_magnets@jlab.org" target="_blank">dsg-hallb_magnets@jlab.org</a>><br><b>Subject:</b> <b>[Dsg-hallb_magnets] Solenoid Meeting minutes</b><br><br></div></blockquote><div><span></span></div><blockquote><div><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div><div style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">Hello,</div><div style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">Attached find the meeting minutes that we held on 5/16/17 to discuss about the Solenoid Interlock spreadsheet and Solenoid Interlock Status EPICS screen.</div><br style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;"><div style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">Best Regards,</div><div style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">Pablo</div><br class="Apple-interchange-newline"></div></div></div></blockquote><blockquote></blockquote><br><blockquote></blockquote><blockquote><div><span>_______________________________________________</span><br><span>Dsg-hallb_magnets mailing list</span><br><span><a href="mailto:Dsg-hallb_magnets@jlab.org" target="_blank">Dsg-hallb_magnets@jlab.org</a></span><br><span><a href="https://mailman.jlab.org/mailman/listinfo/dsg-hallb_magnets" target="_blank">https://mailman.jlab.org/mailman/listinfo/dsg-hallb_magnets</a></span><br></div></blockquote></blockquote></div></div></div></div><br></div></div><br>_______________________________________________<br>Dsg-hallb_magnets mailing list<br>Dsg-hallb_magnets@jlab.org<br>https://mailman.jlab.org/mailman/listinfo/dsg-hallb_magnets<br></div></div></body></html>