diff --git a/docs/bdm/minutes/files/20250404_weekend.png b/docs/bdm/minutes/files/20250404_weekend.png new file mode 100644 index 0000000..5789697 Binary files /dev/null and b/docs/bdm/minutes/files/20250404_weekend.png differ diff --git a/docs/bdm/minutes/files/20250404_weekend_vacfit.png b/docs/bdm/minutes/files/20250404_weekend_vacfit.png new file mode 100644 index 0000000..2ccd807 Binary files /dev/null and b/docs/bdm/minutes/files/20250404_weekend_vacfit.png differ diff --git a/docs/bdm/minutes/index.md b/docs/bdm/minutes/index.md index 83fdcf5..75eb8d3 100644 --- a/docs/bdm/minutes/index.md +++ b/docs/bdm/minutes/index.md @@ -3,21 +3,6 @@ + + +## 07/04/2025 + +**Participants:** +{{Masamitsu}}, {{MartinB}}, {{Martin}}, {{Jesus}}, {{Simona}}, {{Volker}}, {{Cigdem}}, {{Michael}}, {{RomainG}}, {{Jonas}}, {{Micha}}, {{Boris}}, {{Lukas}}, {{Felix}} + +1. **Introduction** + + * **Approval of last minutes** + * All those present confirm the [minutes](https://sls.gitpages.psi.ch/bdm/minutes/#31032025) of the last meeting + + * **Communication** + * Please send shift requests for coming week until Friday then I can prepare preliminary schedule for discussion in the meeting + * For the convenience of the operators the machine shift and controlled tunnel access tables are located on dedicated subsites of the SLS 2.0 Operations Management website: + * [Tunnel Access](https://sls.gitpages.psi.ch/tunnel/) + * [Machine Shifts](https://sls.gitpages.psi.ch/shifts/) + * Machine Shift Reports + * Please prepare shift reports in elog. These will be linked in the machine shifts table. + * For SLS 2.0 commissioning shifts a template for the elog entries is prepared and will be automatically loaded when choosing the project "SLS-2 Commissioning" in the SLS Development Logbook + * Please remember to always keep the control room informed, i.e., + * call the operators before starting and after finishing your shift + * call the operators before starting and after finishing maintenance or update work on your HW, FW, SW, .... + * make sure that any changes you have made are documented in the elog, e.g., bridges + * announce spontaneous shifts, e.g., over the weekend via myself or just give the operators a call + + +2. **Reports** + + * **Operation / Vacuum Conditioning** by {{Felix}} + * Answers to 400 mA achievement mail: + * ??? info "Mail to SteCo" + Dear members of the SLS 2.0 Steering Committee, + + + I have the pleasure of informing you that we have successfully reached a key milestone of the machine commissioning for the SLS 2.0 project: As of today, 3rd of April 2025, we have achieved 400 mA stored beam, marking a significant step towards preparing the machine for beamline commissioning. + + This achievement reflects the dedication and collaboration of all the expert teams involved, and I want to take a moment to acknowledge their hard work and commitment to enable this success. + + Should you have any questions or require further details, please feel free to reach out. We appreciate your ongoing support and guidance in making this project a success. + + + Kind regards, + Felix Armborst on behalf of the SLS 2.0 Commissioning Team + + * ??? info "Answer from Luc Patthey" + Dear all, + Congratulations to the entire team for this fantastic achievement! + + Regards, + Luc + * ??? info "Answer from Meitian Wang" + Dear Felix + + Fantastic news! 🚀 From the first-turn on 2025.01.17 to reaching 400mA on 2025.04.03—just 77 days (80 days from the start of commissioning on 2025.01.14)! 🎉 An absolutely incredible achievement! Huge congratulations to everyone involved! I’m sharing this exciting milestone with the macromolecular crystallography group @PXI, II, and III beamlines! 🔥👏 + + Best + meitian + * ??? info "Answer from Leonid Rivkin" + Congratulations on reaching this fantastic result! SLS is back, full blast! And more, much more! + + Lenny + * ??? info "Answer from Gabriel Aeppli" + Congratulations on this amazing achievement! + Gabriel + * ??? info "Answer from Christian Rüegg" + Dear colleagues, + + This is just absolutely fantastic! Congratulations to the entire team. We are even ahead of schedule. + + Best wishes, Christian + * ??? info "Answer from Frithjof Nolting" + Waho, super, Gratulation an alle + Gruss + Frithjof + * Summary of Vacuum Conditioning Activities (focus: past weekend) + * ??? info "Plots" + { align=left } + { align=left } + * beam dose increased over weekend from 86.2 Ah to 107.2 Ah + * average current 360 mA at 4.5 h lifetime or 2.3 Lossratio + * 82% uptime + * achieved lifetime * beam current ~2000 mAh + * max vacuum pressure machine improved from 20 to 9 pbar + * max vacuum pressure front-ends improved from 76 to 57 pbar + * Sunday around noon Masamitsu closed the gaps of the IDs in X04S (CPMU14, addams), X06S (U19, PX-I) and X10S (U19, PX-II) to 12 mm + * [post mortem logger example elog entry](https://elog-gfa.psi.ch/SLS/60569) + * planned features + * add more scalars via 900 second compression records + * ID gaps + * add arrays for waterfall plot of last x seconds + * filling pattern + * MBFB modes + * 20 kHz BPM data, i.e., orbit and charge + * (add low level post mortem data) + * RF + * BPMs + * Libera BLMs + * please let me know your comments/suggestions + * Major Interlocks this weekend + * Sat, 00:46 - Vacuum Interlock, Sector 1 Ion Pump Controller VPIC-0010 (naming issue ARS01-VPIG-0110 or ARS01-VPIC-0010), pump pressures not included in max pressure PV + * Sat, 08:31 - Vacuum Interlock, Sector 9 Maxi Gauge VMMG-0010 Error Sensor 3 + * Sat, 09:20 - LLRF Interlock, Cavity 2, no follow ups in elog + * Sat, 13:04 - LLRF Interlock, Cavity 2, no follow ups in elog + * Sat, 13:04 - Outage of complete linac (Gun, A1, A2), no follow ups in elog + * Sun, 00:03 - LLRF Interlock, Cavity 2, no follow ups in elog + * Sun, 07:03 - MIS, ARS05-VTTC-2100:CRU***, see MIS issue below + * Sun, 08:17 - LLRF Interlock, Cavity 2, no follow ups in elog + * Sun, 13:28 - MIS, ARS01-VTTC-3510:CBN***, see MIS issue below + * Mon, 01:24 - LLRF Interlock, Cavity 2, no follow ups in elog + * Mon, 01:43 - Vacuum Interlock, : Sektor 6 Maxi Gauge VMMG-1010 Error Sensor 1, no follow ups in elog + * Mon, 02:21 - MIS, ARS01-MQUA-1260**, ARS01-MSXT-1300** , Ursache: Drahtbruch, see MIS issue below + + * Issues + * BPM defect: ARS08-DBPM-5250 + * no operator procedure for removing BPM from BD SOFB defined + * OFB engine from Feedback group not yet available + * PCT measurement has frozen 2 times during operation in the meantime + * unfortunate safetywise, i.e., + * risk of storing too much current + * RF and 3HC interlocks for, e.g., reflected power or induced voltage are scaled with the PCT measured current + * redundancy would be nice, i.e., separate IOCs, separate crates + * what to do + * document in the elog + * inform Cigdem + * check if trigger is on external (EVR0 LIPS > PCT WF > Trigger Source) + * rebooting the IOC can help + * Linac + * due to vacuum issues it took ~1 hour to get the Linac modulator 2 on set voltage (Roger was able to manually ramp up) after an interlock just before tunnel access on tuesday + * this delayed the entire tunnel access by 1 hour + * issues with modulator 2 loosing voltage, phase and sum status partially (besides bac vacuum) caused by ramping tool being active during operation and ramping down when vacuum peaks + * 3HC + * unstable voltages / alarm limits and tuning not allowed for operators, i.e., many RF piquet calls + * Vacuum + * at 400 mA the vacuum lifetime was again the dominant contribution to the lifetime (only small gains achieved with coupling optimization for 400 ) + * valve X06 was closed and not interlocking the machine since actuator was not connected to valve and after realizing this mistake it took 4 hours to increase the current to 280 mA + * thus more time might be required than is scheduled for the upcoming beamline tests + * MIS + * the promised deadband and wrong measurement detection is obviously not working - this weekend we had to beam interlocks triggered by the MIS and caused by multiple sensors of one IO module for one datapoint jumping to 3276 °C which should be ignored + * Machine Commissioning Schedule + * At the last COM meeting it was communicated to dedicate at least ~4 days of machine commissioning time to the beamlines + * this will reduce the availability and reliability of the machine as well as increase the risk for serious issues (e.g., RF, 3HC, VAC, PSYS, PLC systems, SU/BAG, ...) for the long term scheduled dedicated ID commissioning weeks. + * clear delays and unavailable systems until the scheduled, dedicated beamline commissioning due to this strategy change + * development of timing system with update this week not feasible and thus FPFB will likely not be available and workaround remains required and risk from missing 4 kicker bump inhibit remains + * development of LLRF feedback loops at high bandwidth not possible without machine time and likely not available for ID commissioning + * development of OFB (SOFB and FOFB and fast interlocks) ? + * development of MBFB (X, Y and Z and fast interlocks) ? + + * **Booster/BRTL Optimization** by {{Jonas}} + * booster ramps off by 8 ms + * reduced ABOMA-B ramps by a bit + * not understood effect of quick change of orbit at extraction + + * **Storage Ring Commissioning** by {{Masamitsu}} + * machine commissioning program almost finished + * for phase 5 it seems we are lucky and do not need to close the MBFB loop yet (phase 7 now) + * phase 5 almost done, FPFB needs to be postponed + * phase 6 almost done, photon beam to user coming this week + * Michael tested vertical girder movers to improve vertical alignment in sector 6 + * Simona is preparing feed forward for ID gaps + * measurement procedure established + * X04 and X10 prepared + * injection and dump to be tested with closed gaps + * optics optimization from Friday improved lifetime at 50 mA from 12 to 18 hours + * scaling to 400 mA we can expect upto ~9 hours lifetime + * sextupole feeddown from chromaticity correction corrected + * chromaticity now 1.2 in both planes + + * **RF** by {{Lukas}} + * temperatures of 3HC higher than expected, limits had to be adjusted, not understood + * post mortem acquisition not working too well yet + * reflected power interlock not working as expected + * possibly tuner cannot follow fast current drops leading to reflected power interlocks + * conditioning activities for spare cavity ongoing in teststand + * fiber connection to PCT for current reading should be implemented + * 3HC tuning with streak camera by {{micha}} + * overall lengthening increased at cost of less lengthening in middle of bunch trained + * due to larger gap the voltage is slightly lower and thus the lengthening reduced + * we should try to close the gap in the filling pattern and redo the optimization + * alarm on lower voltage should be further adjusted to avoid unnecessary alarms + + * **BPMS** by {{Boris}} + * ARS08-DBPM-5250 issue + * frontend was replaced but issue remains + * cables to be replaced + * channel A drifts more than others + * pilot cable could be used as replacement + * recommendation: BBA for this BPM and then correct and then exclude from OFB + * to be excluded from orbit interlock + * at 400 mA we have 180 ps arrival time variation over bunch train and thus the BPMs should not be used for lifetime calculation + * Orbit feedback + * fast feedback engine tested via EPICS and some issues found and fixed + * dispersion suppression to be tested + * MBFB + * loop cannot be closed + * needs several shifts to commission + + * **Pulsed Magnets** by {{Martin}} + * Beam Dump Controller + * should work as intended + * firing of beam dump via HW backup (10 us delay) and FW (8 us delay) was tested and confirmed working + + * **ID Feed Forward** by {{Simona}} + * [SLS-DEV 2465](https://elog-gfa.psi.ch/SLS+Development/2465) + * EPICS integration of feed forward LUT should be implemented and tested on clontrols side during upcoming shutdown + + * **Girder Realignment** by {{Michael}} + * [SLS-DEV 60492](https://elog-gfa.psi.ch/SLS+Development/60492) + * findings + * very successful vertical alignment using girder movers + * good agreement of measurements with model + * proper alignment of/with central bend on plinth recommended + + +3. **Requests** + + * [] 1-2 shifts for LLRF tests, {{lukas}} and {{roger}} + * [] testing postmortem with BLM, {{Cigdem}}, {{Felix}} and {{Romain}} + * [x] many shifts for preparing OFB, {{boris}} + * [] many shifts for preparing MBFB, {{boris}} + * [] 1 shift for testing timing update and filling control by timing system, {{Romain}} and {{Felix}} + * [x] optics measurements, {{jesus}} and {{jonas}} + + * **[Machine shift schedule KW15](https://sls.gitpages.psi.ch/shifts/#2025-kw15)** + +4. **AOB** + + * ... + +Minutes written by {{Felix}} ## 31/03/2025 **Participants:** @@ -254,8 +338,8 @@ Minutes written by {{Felix}} * Please prepare shift reports in elog. These will be linked in the machine shifts table. * For SLS 2.0 commissioning shifts a template for the elog entries is prepared and will be automatically loaded when choosing the project "SLS-2 Commissioning" in the SLS Development Logbook * New mailing list for urgent communications: sls-urgent@psi.ch - * Armborst Felix - * Kallestrup Jonas + * Armborst Felix (mailing list owner) + * Kallestrup Jonas (mailing list owner) * Seidel Mike * Kiselev Daniela * PSI.SLS-JCM diff --git a/docs/shifts.md b/docs/shifts.md index 22ebb70..8cf9598 100644 --- a/docs/shifts.md +++ b/docs/shifts.md @@ -5,12 +5,40 @@ | :- | :- |:- | | **Monday, 07.04.2025** {: colspan=4} | {: style="padding:0"} | {: style="padding:0"} | {: style="padding:0"} | | `08:00 - 11:00` | Bunch lengthening optimization using 3HC and streak camera | {{Micha}}, {{Alessandro}} and {{Cigdem}} | -| `11:00 - 14:00` | Shift 1 - ... | ... | -| `14:00 - 18:00` | Shift 2 - ... | ... | -| `18:00 - 08:00` | Beam scrubbing over night | OP Shift Crews and {{Felix}}| +| `11:00 - 18:00` | SOFB | Boris | +| `18:00 - 07:30` | Beam scrubbing over night | OP Shift Crews and {{Felix}}| | **Tuesday, 08.04.2025** {: colspan=4} | {: style="padding:0"} | {: style="padding:0"} | {: style="padding:0"} | +| `07:30 - 24:00` | [Tunnel Access](https://sls.gitpages.psi.ch/tunnel/#tuesday-08042025) {: colspan=3} | {: style="padding:0"} | {: style="padding:0"} | +| **Wednesday, 09.04.2025** {: colspan=4} | {: style="padding:0"} | {: style="padding:0"} | {: style="padding:0"} | +| `00:00 - 17:00` | [Tunnel Access](https://sls.gitpages.psi.ch/tunnel/#tuesday-08042025) {: +colspan=3} | {: style="padding:0"} | {: style="padding:0"} | +| `17:00 - 19:00` | Machine Startup | | +| `19:00 - 24:00` | Optics measurements | Jesus and Jonas | +| **Thursday, 10.04.2025** {: colspan=4} | {: style="padding:0"} | {: style="padding:0"} | {: style="padding:0"} | +| `08:00 - ??:??` | Machine Startup | ... | +| `??:?? - ??:??` | SLS 2.0 first light at beamlines PX-III and Debye (60 mA, shutters closed) | ... | +| `??:?? - ??:??` | SLS 2.0 first light at beamlines PX-III and Debye (ramp up to 400 mA, shutters open) | ... | +| `18:00 - 24:00` | Optics measurements | Jesus and Jonas | +| **Friday, 11.04.2025** {: colspan=4} | {: style="padding:0"} | {: style="padding:0"} | {: style="padding:0"} | +| `??:?? - ??:??` | SLS 2.0 first light at beamlines PX-III and Debye (400 mA, shutters open, light in experiments) | ... | +| `18:00 - 24:00` | Optics measurements | Jesus and Jonas | +| `24:00 - 08:00` | Beam scrubbing over weekend | OP Shift Crews and {{Felix}}| +| **Sunday, 13.04.2025** {: colspan=4} | {: style="padding:0"} | {: style="padding:0"} | {: style="padding:0"} | +| `10:00 - 18:00` | Optics measurements | Jesus and Jonas | +| **Monday, 14.04.2025** {: colspan=4} | {: style="padding:0"} | {: style="padding:0"} | {: style="padding:0"} | +| `08:00 - 11:00` | OP training injector | SLS OP IB Team | +| `11:00 - 14:00` | Shift 1 - ... | ... | +| `14:00 - 18:00` | SOFB | Boris | +| `18:00 - 08:00` | Beam scrubbing over night | OP Shift Crews and {{Felix}}| +| **Tuesday, 15.04.2025** {: colspan=4} | {: style="padding:0"} | {: style="padding:0"} | {: style="padding:0"} | +| `08:00 - 10:00` | OP training injector | SLS OP IB Team | +| `10:00 - 18:00` | SOFB test new FW | Boris | +| `18:00 - 08:00` | Beam scrubbing over night | OP Shift Crews and {{Felix}}| +| **Wednesday, 16.04.2025** {: colspan=4} | {: style="padding:0"} | {: style="padding:0"} | {: style="padding:0"} | +| `07:30 - 08:00` | SU Freimessung Tunnel | {{OliverC}} | | **SHUTDOWN [(DUO PLAN)](https://duo.psi.ch/duo/public_calendar.php)** {: colspan=4} | {: style="padding:0"} | {: style="padding:0"} | {: style="padding:0"} | + ## 2025, KW14 |