<html><body><div style="color: rgb(0, 0, 0); font-family: arial,helvetica,sans-serif; font-size: 10pt;"><div>Pablo,</div><div><br data-mce-bogus="1"></div><div>Per your request for email... I'll endeavor to include dsg-hallb_magnets in my email chains from hence forward. </div><div><br data-mce-bogus="1"></div><div>Thanks for your feedback.<br data-mce-bogus="1"></div><div><br></div><div>Best regards, <br></div><div><br data-mce-bogus="1"></div><div data-marker="__SIG_PRE__">Scot Spiegel<br>Sr. Technologist / Designer<br>Physics / Hall D<br>JSA Jefferson Lab<br>12000 Jefferson Ave.<br>Bldg. 55 Rm. 1546-24<br>Newport News, VA. 23606<br>Ph. 757-536-5900<br>Wk. 757-269-5900</div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Pablo Campero" <campero@jlab.org><br><b>To: </b>"dsg-hallb magnets" <dsg-hallb_magnets@jlab.org><br><b>Sent: </b>Tuesday, July 18, 2017 6:03:46 PM<br><b>Subject: </b>Re: [Dsg-hallb_magnets] Hall B Solenoid - temperature sensors<br></div><div><br></div><div data-marker="__QUOTED_TEXT__"><div style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 12pt;"><div><p style="margin: 0px; text-align: justify; line-height: normal;"><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'>Hello,</span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'><br></span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'>The following are the checks that were performed today instrumentation and temperature sensors:</span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><strong><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'>Scot/Pablo --</span></strong><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'> Check continuity in the wiring related and measured resistance for all sensors in the terminal block.</span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><strong><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'>Scot -</span></strong><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'> Swapped the wires (Voltage sense wires from the sensors) in the terminal block and that fixed 4 of the 5 incorrect readouts (Out of range - 0.0 K). Readouts for the 4 fixed sensors was as we expected about 300 [K]. Sensor out of range TR8673 was reading 0.0 K.</span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><strong><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'>Brian/Pablo --</span></strong><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'> Configured the Cryocon unit 2 to swap SN from S/N: X103692 (TR8673) to S/N: X103693 (TR8673r), and also the calibration table for the new serial number was uploaded to the Cryocon unit 2 at channel B. </span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'><strong>Brian/Pablo</strong> -- Changed some Network configuration to match all the three Solenoid Cryocon units. Detail information about the settings configured can be found on logbook entry <a href="https://logbooks.jlab.org/entry/3479273" target="_blank"><span style="color: windowtext; text-decoration: none; text-underline: none;">3479273</span></a>.</span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'> </span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'>TR8673 is still reading out range in Cryocon unit 2, so we stop the troubleshooting due to that all sensors were disconnected this afternoon for welding work in the Solenoid. We will need to be done after reconnections.</span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'> </span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'>Best Regards,</span></p><p style="margin: 0px; text-align: justify; line-height: normal;"><span style='font-family: "Times New Roman","serif"; font-size: 12pt;'>Pablo </span></p><p style="margin: 0px; line-height: normal;"><span style='font-family: "Arial","sans-serif"; font-size: 12pt;'> </span></p></div><br><hr id="zwchr"><div><b>From: </b>"Amrit Yegneswaran" <yeg@jlab.org><br><b>To: </b>"Pablo Campero" <campero@jlab.org><br><b>Cc: </b>"Scot Spiegel" <spiegel@jlab.org>, "dsg-hallb magnets" <dsg-hallb_magnets@jlab.org><br><b>Sent: </b>Tuesday, July 18, 2017 9:44:10 AM<br><b>Subject: </b>Re: [Dsg-hallb_magnets] Hall B Solenoid - temperature sensors<br></div><br><div><div style="color: rgb(0, 153, 0); font-family: tahoma,new york,times,serif; font-size: 14pt;"><div>thanks for the previous e-mail and this one pablo.<br></div><div>charming!<br></div><br><br><hr id="zwchr"><div><b>From: </b>"Pablo Campero" <campero@jlab.org><br><b>To: </b>"Scot Spiegel" <spiegel@jlab.org><br><b>Cc: </b>"dsg-hallb magnets" <dsg-hallb_magnets@jlab.org><br><b>Sent: </b>Tuesday, July 18, 2017 8:57:51 AM<br><b>Subject: </b>Re: [Dsg-hallb_magnets] Hall B Solenoid - temperature sensors<br></div><br><div><div style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 12pt;"><div>Hello Scot,</div><br><div>Can you please, let me know when are you going to connect the temperature sensor cables, so then I can check the Cryocon Units and verified the readouts for those temperature sensors that were displaying 0.0 K.</div><div>Next time, can you please inform us to the <em>Dsg-hallb_magnets</em> mailing list, before disconnect the instrumentation.</div><br><div>Best Regards,</div><div>Pablo </div><br><br><hr id="zwchr"><div><b>From: </b>"Scot Spiegel" <spiegel@jlab.org><br><b>To: </b>"Brian Eng" <beng@jlab.org><br><b>Cc: </b>"Ruben Fair" <rfair@jlab.org>, "Probir Ghoshal" <ghoshal@jlab.org>, "Pablo Campero" <campero@jlab.org><br><b>Sent: </b>Monday, July 17, 2017 6:27:58 PM<br><b>Subject: </b>Re: [Dsg-hallb_magnets] Hall B Solenoid - temperature sensors<br></div><br><div><div style="color: rgb(0, 0, 0); font-family: arial,helvetica,sans-serif; font-size: 10pt;"><div>Brian,</div><br><div>All temperature sensor cables are disconnected. Voltage Tap cable to FT 8605 is also disconnected.</div><br><div>Shorting foam is installed on all feedthroughs. Will resume tomorrow by installing system cables interlock loops on vacuum connectors FT's 8602-8605<br></div><br><div>Regards,<br></div><br><div>Scot Spiegel<br>Sr. Technologist / Designer<br>Physics / Hall D<br>JSA Jefferson Lab<br>12000 Jefferson Ave.<br>Bldg. 55 Rm. 1546-24<br>Newport News, VA. 23606<br>Ph. 757-536-5900<br>Wk. 757-269-5900</div><br><hr id="zwchr"><div><b>From: </b>"Brian Eng" <beng@jlab.org><br><b>To: </b>"Ruben Fair" <rfair@jlab.org><br><b>Cc: </b>"Pablo Campero" <campero@jlab.org>, "Scot Spiegel" <spiegel@jlab.org><br><b>Sent: </b>Monday, July 17, 2017 6:20:27 PM<br><b>Subject: </b>Re: [Dsg-hallb_magnets] Hall B Solenoid - temperature sensors<br></div><br><div>Ruben, I just talked with Pablo as he was leaving, it wasn't clear if you guys were going to try and connect the temp sensors again today. If so I can check them either remotely or I can stop by the lab later as I'm going to my brothers and will be in the area for a bit. ----- Ruben Fair wrote: > Hi Pablo, > > Scot has disconnected all the cables temporarily. > > We should re-connect them within the next 15 mins. > > Also, there is a broken wire on Feed thru 8604 which Scot is trying to fix. > > Ruben > > > > From: "Pablo Campero Rojas" > To: "Ruben Fair" > Cc: "dsg-hallb magnets" > Sent: Monday, July 17, 2017 5:23:02 PM > Subject: Re: Hall B Solenoid - temperature sensors > > Hello Ruben, > > I checked the sensors that is reading back 0.0 K > > TR8671 > TR8673 > TR8611 > TR8672 > TR8674 > TR8610 > > The mentioned sensors are read by the Cryocon Units, so I have to go and check the cryocon units readouts and also make sure that the mentioned temperature sensors are physically connected in the Solenoid Service Tower. > PLC is reading 0.0 K values because the Cryocon Unit is reading a real zero (which we know is not possible at this moment) or it has a ''clip'' readback on its channels where the temperature sensors is connected (Most probably for now). > > > Best Regards, > Pablo > > > > From: "Ruben Fair" > To: "Pablo Campero Rojas" , "Probir Ghoshal" > Cc: "Scot Spiegel" > Sent: Monday, July 17, 2017 4:35:26 PM > Subject: Hall B Solenoid - temperature sensors > > Pablo, Probir, > > All the temperature sensors are now installed and the connectors are still plugged in. > > Please review all the sensors on EPICS and see if they are all reading what you expect. > > If not, please work with each other to assign correct calibration curves. > > I shall disconnect the cables first thing tomorrow morning at 7am as welding will start shortly after. > > Regards > > Ruben ></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</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>