<html><body><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000">Hi Marco,<br><br>We will turn the LV on when we are done.<br><br>Best regards,<br>Tyler<br><br><hr id="zwchr" data-marker=""><div data-marker=""><b>From: </b>"Marco Contalbrigo" <mcontalb@fe.infn.it><br><b>To: </b>"Tyler Lemon" <tlemon@jlab.org><br><b>Cc: </b>"Matteo Turisini" <matt@jlab.org>, "dsg-rich" <dsg-rich@jlab.org><br><b>Sent: </b>Tuesday, March 13, 2018 11:43:26 AM<br><b>Subject: </b>Re: [Dsg-rich] Update hardware interlock program to include differential pressure transducers?<br></div><br><div data-marker="">Hi Tyler, Matteo,<br>last week with Valery we defined the RICH status during the<br>long beam shutdown to be:<br><br>HV off (no need to keep ON except for tests)<br><br>LV on (to keep the cooling volume warm and maintain stable<br>the humidity inside the RICH)<br><br>As soon as you finish your work on the cRio, please switch<br>the LV on again.<br><br>Thanks, Marco.<br><br><br>On Tue, 13 Mar 2018, Tyler Lemon wrote:<br><br>> Hi Matteo, <br>> <br>> I turned off the RICH LV and turned the override switch off. <br>> <br>> When you need to start your testing in the morning, you should just be able to power everything back<br>> on as normal. <br>> <br>> Best regards,<br>> Tyler<br>> <br>> On Mar 13, 2018, at 10:54 AM, Matteo Turisini <matt@jlab.org> wrote:<br>> <br>> Tyler,<br>> <br>> I am not using/monitoring the RICH today. You can keep LV off as long as you need it.<br>> <br>> Thanks,<br>> <br>> Matteo<br>> <br>> Il giorno 13 mar 2018, alle ore 14:42, Tyler Lemon <tlemon@jlab.org> ha scritto:<br>><br>> Hi Matteo,<br>><br>> We will make sure the cRIO is back online this afternoon so the system is ready for<br>> your electronic tests.<br>><br>> Since LV is still on, should we still use the override switch or can LV be disabled<br>> by a cRIO reboot?<br>><br>> Best regards,<br>> Tyler<br>> <br>> ______________________________________________________________________________________________________<br>> From: "Matteo Turisini" <matt@jlab.org><br>> To: "Tyler Lemon" <tlemon@jlab.org><br>> Cc: "dsg-rich" <dsg-rich@jlab.org><br>> Sent: Tuesday, March 13, 2018 9:37:37 AM<br>> Subject: Re: [Dsg-rich] Update hardware interlock program to include differential<br>> pressure transducers?<br>> <br>> Hi Tyler,<br>> <br>> you can go ahead, please let me know when you’re done, tomorrow morning Italian time I<br>> would continue the electronics testing.<br>> <br>> Thanks,<br>> <br>> Matteo<br>> <br>> Il giorno 13 mar 2018, alle ore 13:42, Tyler Lemon <tlemon@jlab.org> ha scritto:<br>><br>> Hello,<br>> <br>> To add the differential pressure transducers to RICH's hardware interlock LabVIEW<br>> program, RICH's N2 cRIO will need to be taken offline.<br>> <br>> Marco Mirazita requested yesterday to coordinate to ensure the cRIO being taken<br>> offline does not affect any electronics testing.<br>> <br>> Are there any tests today for RICH where the N2 cRIO should not be taken offline?<br>> <br>> If there are ongoing tests, we can use the override switch again to prevent power to<br>> RICH from being disabled.<br>> <br>> Best regards,<br>> Tyler<br>><br>> _______________________________________________<br>> Dsg-rich mailing list<br>> Dsg-rich@jlab.org<br>> https://mailman.jlab.org/mailman/listinfo/dsg-rich<br>> <br>> <br>> <br>><br></div></div></body></html>