Jefferson Lab Hall C Logbook for February 11 - Target

  • Main INDEX

    Monday

    

    Sunday
    

    

    Friday
    

  • 222067 02/25/11 17:05  smithg         Target: powered off heater power supplies & pump controller

  • 222054 02/25/11 12:30  covrig         Target: moved HOME, cool-down postponed to next week

  • 222053 02/25/11 11:24  smithg         Target: picture showing no ice

  • 222049 02/25/11 11:04  smithg         Target: No ice observed on target cell. Cooldown prospects dim cuz of qtor.

  • 222045 02/25/11 10:00  M Jones        Target: Closed target 15K warm return, then opened 15K return

  • 222035 02/25/11 07:07  narayan        Target: e-detector parked again

  • 222033 02/25/11 07:03  narayan        Target: Andy on his way to check the vacuum pump status

  • 222031 02/25/11 06:46  neven          Target: Screeshot showing JT valves closed

  • 222028 02/25/11 06:16  narayan        Target: attempt to isolate Target still in progress

  • 222027 02/25/11 06:10  neven          Target: Related screen snapshot (last hour)

  • 222026 02/25/11 05:53  narayan        Target: 15k JT closed completely, 4k JT closed to 9%, pump turned OFF

  • 222025 02/25/11 05:51  smithg         Target: dangerous 15K supply temps

  • 222023 02/25/11 05:13  narayan        Target: both Heater turned OFF

  • 222022 02/25/11 05:05  neven          Target: An other screen snapshot after power failure

  • 222020 02/25/11 04:45  neven          Target: 

  • 222016 02/25/11 04:16  Neven          Target: Tungsten plug temperature

  • 221985 02/25/11 00:08  neven          Target: Screen shots at the begining of the shift

    • 

    Thursday
    

  • 221896 02/24/11 10:06  Jiawei         Target: late entry: moved to out of beam

  • 221890 02/24/11 08:08  Jiawei         Target: Screen shot of target at beginning of the shift

  • 221888 02/24/11 07:42  kamyers        Target: end of shift screenshoot/report

  • 221865 02/24/11 04:27  kamyers        Target: opened 4K JT by 1%

  • 221853 02/24/11 03:11  kamyers        Target: HPH drops after beam trip/recovery

  • 221831 02/24/11 00:48  kamyers        Target: beginning of shift screen shot

  • 221825 02/24/11 00:09  narayan        Target: vmec18 came back after Han's intervention

    • 

    Wednesday
    

  • 221814 02/23/11 22:46  narayan        Target: a strange message

  • 221798 02/23/11 20:17  narayan        Target: Tungsten plug temp alarm settled back

  • 221781 02/23/11 19:04  narayan        Target: Tungsten plug temp LO alarm

  • 221770 02/23/11 18:29  narayan        Target: oscillations settled

  • 221760 02/23/11 17:57  narayan        Target: HPH goes down to 150W !

  • 221758 02/23/11 17:48  narayan        Target: oscillations in 4k flow

  • 221743 02/23/11 16:54  narayan        Target: generic screenshot

  • 221741 02/23/11 16:48  narayan        Target: vacuum reporting

  • 221735 02/23/11 16:23  Jiawei         Target: End of day shift screenshot

  • 221720 02/23/11 14:48  covrig         Target: chamber vacuum behavior with 2K-CB trips

  • 221683 02/23/11 10:24  Jiawei         Target: closed 4K JT a little bit to reduce the reserved HPH power to ~300W

  • 221663 02/23/11 08:01  kamyers        Target: end of shift screenshot

  • 221620 02/23/11 02:38  kamyers        Target: tungsten plug temp yellow alarm

  • 221617 02/23/11 02:32  kamyers        Target: close 4K JT by 2%, 15K JT by 12%

  • 221616 02/23/11 01:59  kamyers        Target: updated alarm limits - all good now

  • 221611 02/23/11 01:34  kamyers        Target: Some alarm set point issues

  • 221605 02/23/11 01:04  kamyers        Target: yellow alarms scattering chamber vacuum

  • 221600 02/23/11 00:34  Adesh          Target: target GUI backup in case of target computer reboot/failure

  • 221598 02/23/11 00:19  narayan        Target: target computer rebooted !

    • 

    Tuesday
    

  • 221589 02/22/11 23:17  narayan        Target: transitioned to full beam

  • 221585 02/22/11 23:09  narayan        Target: Moved to LH2 target

  • 221583 02/22/11 23:00  narayan        Target: going to LH2

  • 221579 02/22/11 22:47  narayan        Target: heater at 1.9 kW power 

  • 221577 02/22/11 22:42  smithg         Target: Recovered again. Ready for beam.

  • 221576 02/22/11 22:39  narayan        Target: beam being tuned, High Power Heater  back 

  • 221574 02/22/11 21:38  narayan        Target: 3H09B and 3H09D closed

  • 221571 02/22/11 21:24  narayan        Target: vacumm

  • 221567 02/22/11 20:02  smithg         Target: starting 4K flow to the target

  • 221566 02/22/11 20:01  narayan        Target: target cooling started

  • 221546 02/22/11 16:22  covrig         Target: target is full, for now

  • 221541 02/22/11 15:46  jhlee          Target: CHO 2K coolbox trip again, CRYO close 4k.

  • 221540 02/22/11 15:44  covrig         Target: CHL CB2 tripped again, 4K flow back to zero until CB will recover

  • 221521 02/22/11 11:56  jhlee          Target: Closing 4K JT supply valve requested by Silviu

  • 221519 02/22/11 11:40  jhlee          Target: 2k coolbox is down, Cryo close all

  • 221516 02/22/11 11:30  covrig         Target: 4 K woes

  • 221506 02/22/11 10:55  jhlee          Target: Closing 4K JT supply valve, due to compressor problem of Cryo

  • 221493 02/22/11 09:56  covrig         Target: re-enabled the 4K PID

  • 221470 02/22/11 07:57  kamyers        Target: end of shift screenshot

  • 221405 02/22/11 00:38  kamyers        Target: start of shift screen shot

    • 

    Monday
    

  • 221376 02/21/11 22:33  narayan        Target: GEM enclosure rad level normal

  • 221365 02/21/11 22:00  narayan        Target: gem enclosure rad level alarm

  • 221349 02/21/11 20:02  narayan        Target: regular screenshot

  • 221340 02/21/11 19:08  jhoskins       Target: That is md3positive

  • 221332 02/21/11 17:36  narayan        Target: generic Target snapshot

  • 221321 02/21/11 15:57  Armstrong      Target: happy target 

  • 221277 02/21/11 08:18  Armstrong      Target: Screen shot at start of shift and some notes

  • 221244 02/21/11 04:18  M Jones        Target: Target GUI and strip charts screenshots

    • 

    Sunday
    

  • 221212 02/20/11 23:04  jhlee          Target: Pump voltage alarm

  • 221184 02/20/11 20:33  jhlee          Target: Tungsten plug water temp alarm, goes to 30.7

  • 221177 02/20/11 19:50  jhlee          Target: Screen shot of target at the mid of swing shift

  • 221154 02/20/11 16:59  jhlee          Target: Tungsten plug temp alarm, goes to 30.6 

  • 221148 02/20/11 16:22  Pitt           Target: End of day shift screenshot

  • 221139 02/20/11 15:05  Pitt           Target: Change tungsten plug temp alarm "high" point

  • 221138 02/20/11 14:10  smithg         Target: 4K PID story and short term strategy

  • 221133 02/20/11 13:43  Pitt           Target: Tungsten plug temp minor alarm

  • 221127 02/20/11 13:23  smithg         Target: one more point about the vacuum

  • 221126 02/20/11 13:16  smithg         Target: downstream vacuum over past 24h

  • 221100 02/20/11 09:37  Pitt           Target: Beginning of day shift screenshot

  • 221067 02/20/11 05:50  magee          Target: 4k mass flow oscillating - HPH alarms

  • 221061 02/20/11 04:44  magee          Target: Inlet sensor bad, 4k JT closed, HPH tanked - Fine now

  • 221057 02/20/11 03:41  magee          Target: Cell input manifold temp alarm

  • 221056 02/20/11 03:41  magee          Target: Cell input manifold temp alarm

  • 221054 02/20/11 03:38  magee          Target: Cell input manifold temp alarm

    • 

    Saturday
    

  • 220964 02/19/11 15:55  Nuruzzaman     Target: Target GUI and strip charts screenshots

  • 220928 02/19/11 12:47  silwal         Target: snapshot, target looks fine

  • 220861 02/19/11 08:06  magee          Target: False current alarm

  • 220821 02/19/11 05:04  magee          Target: Moved to home

  • 220810 02/19/11 04:35  magee          Target: Shift screenshot

  • 220807 02/19/11 04:04  magee          Target: Tungsten plug alarm again, Epics Archiver plot (readable formatting)

  • 220806 02/19/11 04:03  magee          Target: Tungsten plug alarm again, Epics Archiver plot

  • 220800 02/19/11 01:25  magee          Target: Tungsten plug temp alarm

    • 

    Friday
    

  • 220793 02/18/11 23:51  Pitt           Target: End of swing shift screenshot

  • 220763 02/18/11 19:45  Pitt           Target: Move to LH2 target

  • 220756 02/18/11 18:22  Pitt           Target: Move target to out of beam position

  • 220748 02/18/11 17:48  Pitt           Target: Screen shot with attachment

  • 220747 02/18/11 17:47  Pitt           Target: Beginning of swing shift screen shot

  • 220717 02/18/11 15:36  donjones       Target: moved to LH2 for production running

  • 220714 02/18/11 15:17  donjones       Target: at DS Centering Hole

  • 220698 02/18/11 11:51  covrig         Target: un-parked the target

    • 

    Thursday
    

  • 220685 02/17/11 22:26  Nuruzzaman     Target: Target GUI and strip charts screen shots

  • 220682 02/17/11 18:01  smithg         Target: no ice visible thru beam left port

  • 220675 02/17/11 14:36  covrig         Target: half-parked the target until tomorrow

  • 220672 02/17/11 14:19  donjones       Target: parking target

  • 220656 02/17/11 08:50  donjones       Target: scattering chamber vacuum since 14th

  • 220654 02/17/11 07:49  Adesh          Target: screenshot at the end of owl shift

  • 220649 02/17/11 00:01  Jiawei         Target: End of swing shift screenshot

    • 

    Wednesday
    

  • 220632 02/16/11 16:02  donjones       Target: target stable all through day shift

  • 220631 02/16/11 16:02  covrig         Target: ioc reboot and target motion test - late entry

  • 220623 02/16/11 12:07  covrig         Target: 15 K supply - cause of the hph railing to zero

  • 220584 02/16/11 03:23  Adesh          Target: HPH derailed to 0 Watts, recovered quickly on its own

    • 

    Tuesday
    

  • 220557 02/15/11 23:56  V. Tvaskis     Target: Target GUI and strip charts screenshots

  • 220481 02/15/11 15:43  birchall       Target: Moved to LH2 target

  • 220475 02/15/11 13:14  covrig         Target: horizontal range of motion

  • 220449 02/15/11 08:04  birchall       Target: Screenshot at start of day shift

  • 220446 02/15/11 07:42  Adesh          Target: End of owl shift screenshot

    • 

    Monday
    

  • 220305 02/14/11 14:19  Birchall       Target: Moved to LH2 target

  • 220235 02/14/11 09:01  birchall       Target: Moved target out of beam for Moller measurement

  • 220226 02/14/11 08:24  birchall       Target: Target screen shot at 8:25

  • 220169 02/14/11 00:00  V. Tvaskis     Target: Target GUI and strip charts screenshots

    • 

    Sunday
    

  • 220091 02/13/11 15:52  Pitt           Target: End of day shift screenshot - with figure this time

  • 220090 02/13/11 15:51  Pitt           Target: End of day shift screenshot

  • 220049 02/13/11 11:29  Pitt           Target: QTOR trip

  • 220044 02/13/11 11:10  Pitt           Target: QTOR trip

  • 220027 02/13/11 09:41  Pitt           Target: QTOR trip

  • 220017 02/13/11 08:04  Pitt           Target: Target screenshots at beginning of day shift

  • 220015 02/13/11 07:47  Adesh          Target: Target GUI and strip charts screenshot at the end of owl shift

  • 220006 02/13/11 06:42  Adesh          Target: Alarm on QTOR, tripped & recovered

    • 

    Saturday
    

  • 219968 02/12/11 23:57  V. Tvaskis     Target: Target GUI and strip charts screenshots

  • 219920 02/12/11 16:48  V. Tvaskis     Target: Pump voltage alarm

  • 219913 02/12/11 15:47  Pitt           Target: End of day shift screenshot

  • 219902 02/12/11 14:09  smithg         Target: Updated encoder table resistive pot values

  • 219878 02/12/11 11:40  Pitt           Target: Move to hydrogen target cell

  • 219873 02/12/11 10:15  Pitt           Target: Pump frequency readback got noiser when target moved to HOME

  • 219871 02/12/11 09:36  Pitt           Target: Move to out of beam position

  • 219870 02/12/11 09:35  Pitt           Target: Screenshot at beginning of day shift - late entry

  • 219864 02/12/11 07:15  Jiawei         Target: scattering chamber vacuum alarm enabled

  • 219863 02/12/11 06:27  Jiawei         Target: Vacuum problem seems to be fixed

  • 219860 02/12/11 04:50  Jiawei         Target: updated status

  • 219858 02/12/11 04:13  covrig         Target: chamber vacuum recent history seems fine

  • 219857 02/12/11 03:44  Jiawei         Target: Scattering Chamber vacuum should be fine

  • 219855 02/12/11 02:59  Jiawei         Target: Scattering chamber vacuum has risen dramatically

  • 219830 02/12/11 00:14  Jiawei         Target: screenshot at the start of owl shift

    • 

    Friday
    

  • 219821 02/11/11 23:42  Pitt           Target: End of shift scrrenshot

  • 219758 02/11/11 16:21  Pitt           Target: Screenshot at start of Shift

  • 219703 02/11/11 10:58  covrig         Target: last centering may spell trouble for getting to DS4% Al again

  • 219681 02/11/11 08:13  V. Tvaskis     Target: Target GUI and strip charts screenshots

    • 

    Thursday
    

  • 219604 02/10/11 23:46  smithg         Target: late entry: moved to LH2

  • 219594 02/10/11 23:16  smithg         Target: target screenshot

  • 219579 02/10/11 21:33  smithg         Target: Shifted all encoder table horizontal steps 800 higher

  • 219569 02/10/11 18:31  smithg         Target: moved to DS centering tgt. 

  • 219568 02/10/11 18:26  smithg         Target: late entry: moved to LH2

  • 219545 02/10/11 15:50  Jiawei         Target: Screenshot of target at the end of the shift

  • 219501 02/10/11 11:33  covrig         Target: target motion issue

  • 219448 02/10/11 08:20  Jiawei         Target: Screenshot of target at beginning of the shift

    • 

    Wednesday
    

  • 219355 02/09/11 21:12  Leckey         Target: Target GUI and strip charts screenshots

  • 219344 02/09/11 20:09  covrig         Target: h-motion power stage error

  • 219256 02/09/11 09:52  wdconinc       Target: temperature DSdmB leveled off at 90K for 25uA

  • 219249 02/09/11 09:20  wdconinc       Target: Moved to DS 4% Al target

  • 219233 02/09/11 07:48  V. Tvaskis     Target: Target GUI and strip charts screenshots

    • 

    Tuesday
    

  • 219138 02/08/11 21:03  smithg         Target: Moved LH2 target in

  • 219112 02/08/11 17:45  smithg         Target: pump tripped. Recovered fine.

  • 219105 02/08/11 16:59  smithg         Target: screenshot

  • 219008 02/08/11 08:17  leacock        Target: target out of beam for moller measurement

  • 218993 02/08/11 07:40  V. Tvaskis     Target: Target GUI and strip charts screenshots

    • 

    Monday
    

  • 218942 02/07/11 21:22  magee          Target: target screenshot, stable running at 150uA

  • 218866 02/07/11 14:54  leacock        Target: target screenshot, stable running at 150uA

  • 218790 02/07/11 06:16  Page           Target: TO for Swing Today is Josh Magee

    • 

    Sunday
    

  • 218616 02/06/11 16:21  birchall       Target: Target screen shot at beginning of swing shift

  • 218569 02/06/11 07:52  Adesh          Target: Target GUI and strip charts screenshot at the end of owl shift

    • 

    Saturday
    

  • 218514 02/05/11 21:16  birchall       Target: Wild Saturday night on target duty

  • 218490 02/05/11 17:30  birchall       Target: Screen shot of target at 17:30

  • 218471 02/05/11 13:54  Jiawei         Target: maximum current is 170 muA for current coolant flow rate

  • 218433 02/05/11 08:20  Jiawei         Target: Screen shot of target at beginning of shift

  • 218424 02/05/11 07:21  rakithab       Target: Alarm hi limit for qw:qt_mps_i_diff set 1.2

  • 218390 02/05/11 00:03  rakithab       Target: Target GUI and strip charts screenshots

    • 

    Friday
    

  • 218344 02/04/11 18:58  birchall       Target: Target shot just after pump glitch

  • 218341 02/04/11 18:49  birchall       Target: Pump glitch

  • 218335 02/04/11 18:25  birchall       Target: Moved to LH2 target

  • 218325 02/04/11 17:55  birchall       Target: Moved to DS 0.5% C target

  • 218324 02/04/11 17:53  birchall       Target: Moved to DS 0.5% C target

  • 218288 02/04/11 16:05  birchall       Target: Target screens at start of swing shift

  • 218197 02/04/11 07:52  Adesh          Target: screenshot at the end of owl shift

  • 218150 02/04/11 00:21  Adesh          Target: moved to LH2 target

    • 

    Thursday
    

  • 218147 02/03/11 23:40  kamyers        Target: end of shift screen shot

  • 218117 02/03/11 16:15  kamyers        Target: beginning of shift screen shots

  • 218107 02/03/11 14:24  smithg         Target: Moved to out of beam position

  • 218106 02/03/11 14:08  smithg         Target: LH2 back in beam

  • 218102 02/03/11 13:36  smithg         Target: Moved to out of beam position

  • 218076 02/03/11 10:29  smithg         Target: pump tripped. Recovered fine.

  • 218064 02/03/11 07:51  Adesh          Target: target screenshot at the end of owl shift 

  • 218036 02/03/11 00:44  Adesh          Target: Moved to LH2 target

  • 218033 02/03/11 00:37  Adesh          Target: Target moved to HOME=Out-of-Beam position

    • 

    Wednesday
    

  • 217907 02/02/11 16:57  leacock        Target: LH2 pump tripped, recovered

  • 217881 02/02/11 13:40  Leckey         Target: Raster Changed from 3.5 to 3.0 ???

  • 217880 02/02/11 13:35  Leckey         Target: Target GUI and strip charts screenshots

  • 217854 02/02/11 07:49  Adesh          Target: screenshot at the end of owl shift

    • 

    Tuesday
    

  • 217806 02/01/11 23:31  leacock        Target: pump current went to zero, readout glitch

  • 217805 02/01/11 23:27  leacock        Target: moved to LH2 

  • 217801 02/01/11 23:17  leacock        Target: moved to upstream centering hole

  • 217800 02/01/11 23:17  leacock        Target: moved to ds centering hole -- late entry

  • 217773 02/01/11 19:27  leacock        Target: opening 15K JT to get heater to 2000W cooling

  • 217772 02/01/11 19:26  leacock        Target: moved target out of beam

  • 217749 02/01/11 13:27  covrig         Target: hph behavior last night

  • 217747 02/01/11 12:52  smithg         Target: 4K oscillations: cured by unstinging Moller 5K bayonet?

  • 217735 02/01/11 07:56  Adesh          Target: end of owl shift screenshot

  • 217712 02/01/11 04:09  Adesh          Target: Alarm on IOC 4 (Halo Rates)

  • 217702 02/01/11 02:43  Adesh          Target: Temporary solution to HPH issue

  • 217699 02/01/11 02:22  Adesh          Target: HPH current dropped to zero again

  • 217698 02/01/11 02:13  Adesh          Target: 4K suuply/pressure, HPH issues

  • 217689 02/01/11 01:44  Adesh          Target: yet another HPH derailment, recovered 

  • 217683 02/01/11 01:24  Adesh          Target: HPH derailed, recovered

  • 217667 02/01/11 00:10  leacock        Target: main hph current dropped to zero again