ID |
Date |
Author |
Target/No.# |
Source |
Station |
Module |
Target Oven W.O# |
Heat Shield W.O# |
Status |
Subject |
Text |
|
614
|
Wednesday, November 15, 2017, 10:56 |
Aaron Schmidt | | | | | | | Problems/Solutions | TMS:TP6 replacement | Turbo pump TP6 requires replacement.
Wednesday, November 15, 2017, 09:55:
Turbo (TP2) off. Ion gauge off. |
|
616
|
Monday, December 04, 2017, 08:29 |
Aaron Schmidt | | | | | | | Problems/Solutions | Power outage | Power outage over the weekend. Reboot PLC
and systems.
Monday, December 04, 2017, 08:22: |
|
619
|
Thursday, December 21, 2017, 15:12 |
Anders Mjos | | | | | | | | Powered down devices | Powered down vacuum gauge and turbo pump
controllers |
|
620
|
Tuesday, January 02, 2018, 09:18 |
Anders Mjos | | | | | | | Problems/Solutions | Starting system | Tuesday, January 02, 2018
Cycled power for TCSIOC and PLCIOC
TP2 and TP6 started |
|
621
|
Monday, January 22, 2018, 09:04 |
Aaron Schmidt | | | | | | | Done | Power outage & Controller replacement. | Computer, TS, epics, restarted. Power checks
Monday, January 22, 2018, 09:00:
ISAC PLC TLCIOC Restarted. |
|
622
|
Friday, January 26, 2018, 11:10 |
Aaron Schmidt | | | | | | | Done | Helium tank replacement | Friday, January 26, 2018, 11:08: New Helium
tank installed inside the Test Stand.
-The 'Full' tag remains. The He tank |
|
626
|
Wednesday, January 31, 2018, 09:53 |
Aaron Schmidt | | | | | (Blank) | 42752-3 | Done | Wire moved. | Wednesday, January 31, 2018, 09:50: A wire
(B - F) was too close (Almost touching) to
the EZL and had visible sparks during HV |
|
628
|
Monday, February 05, 2018, 09:17 |
Aaron Schmidt | | | | | | | Problems/Solutions | Epics loss | Monday, February 05, 2018, 09:10: the epics
program was in 'White-out'. Turbo pumps tripped.
Unplug, re-plug PLC. |
|
629
|
Wednesday, February 07, 2018, 08:46 |
Aaron Schmidt | | | | | | | | BIAS Power supply installation | Wednesday, February 07, 2018, 08:40: A
75 kV Glassman power supply was installed
in the rack for use in further HV testing. |
|
630
|
Thursday, February 08, 2018, 14:44 |
Carla Babcock | | | | | | | Done | Conditioning station power supply integrated into EPICS | The 75kV power supply is now in EPICS under
the usual TSG:BIAS controls. The upper limit
has been set to 70kV to protect the transformer. |
|
631
|
Thursday, February 08, 2018, 16:54 |
Carla Babcock | | | | | | | | EZL strange behaviour | Thursday, February 08, 2018, 16:54
Testing the HV bias I found that
the einzel lens was behaving strangely. When |
|
632
|
Friday, February 09, 2018, 08:57 |
Carla Babcock | | | | | | | | TSGBIASSAFETY ok interlock | Friday, February 09, 2018, 08:25
Disconnected the AC power chain from the
old bias supply but now cannot turn on the |
|
633
|
Tuesday, February 13, 2018, 12:17 |
Carla Babcock | | | | | | | | Ramping up bias to 60kV with conditioning station supply | Ramped up to 60kV with the new power supply,
same as what we did last time with the standard
test stand bias supply (see entry #627 ). |
|
634
|
Tuesday, February 13, 2018, 16:47 |
Carla Babcock | | | | | | | | Ramping to 63kV - some sparks | Sparks at 62kV on the bias.
Turned it down, turned it back up
and got a spark at 60kV. |
|
635
|
Friday, February 16, 2018, 15:21 |
Carla Babcock | | | | | | | | Cleaned HV cage - trying bias again | I vacuumed inside the HV cage, though it
has many small areas that are difficult to
access so I am not sure how great a job I |
|
636
|
Monday, February 19, 2018, 08:30 |
Carla Babcock | | | | | | | | TMSTP6 off | Found TMSTP6 off, restarted it, seems fine
now (drawing 0.8A) |
|
637
|
Monday, February 19, 2018, 14:01 |
Carla Babcock | | | | | | | | Attempts to get to higher voltages, summarized. | The test stand holds up to 63kV, however
at voltages over 54kV there are small discharges,
rising to a continuous level around 60kV. |
|
638
|
Tuesday, February 20, 2018, 09:04 |
Carla Babcock | | | | | | | | Trying HV with rubber corona shield | Tuesday, February 20, 2018, 09:01: Sparks
at 62.5kV after a couple minutes. Sounds
like they were in the EE spark gap but don't |
|
639
|
Friday, February 23, 2018, 08:50 |
Aaron Schmidt | | | | | | | | New Al Corona | Friday, February 23, 2018, 08:50 |
|
640
|
Monday, February 26, 2018, 09:13 |
Carla Babcock | | | | | | | | Running list of changes to the ISAC test stand for >60kV operation | 1. Al corona shield installed over end
of the HV duct to suppress discharges from
the sharp edge of the duct. |
6x |