| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
14330
|
Tue Dec 4 10:38:12 2018 |
Jon | Omnistructure | Upgrade | Updated Feedthrough List for Vacuum Acromag Chassis | Based on new input from Chub, attached
is the revised list of signal cable
feedthroughs needed on the vacuum system |
|
|
14348
|
Wed Dec 12 18:27:07 2018 |
Jon | Omnistructure | Upgrade | Analog signals, A/D Acromag added to vacuum system | There turned out to be a few analog signals
for the vacuum system after all. The TP2/3
foreline pressure gauges were never part |
|
|
14375
|
Thu Dec 20 21:29:41 2018 |
Jon | Omnistructure | Upgrade | Vacuum Controls Switchover Completed | [Jon, Chub, Koji, Gautam]
Summary
Today we carried
out the first pumpdown with the new vacuum |
|
|
14384
|
Fri Jan 4 11:06:16 2019 |
Jon | Omnistructure | Upgrade | Vac System Punchlist | The base Acromag vacuum system is running
and performing nicely. Here is a list of
remaining questions and to-do items we still |
|
|
14390
|
Tue Jan 8 19:13:39 2019 |
Jon | Update | Upgrade | Ready for pumpdown tomorrow | Everything is set for a second pumpdown
tomorrow. We'll plan to start pumping
after the 1pm meeting. Since the main volume |
|
|
14493
|
Thu Mar 21 18:36:59 2019 |
Jon | Omnistructure | Upgrade | Vacuum Controls Switchover Completed | Updated vac channel list is attached. There
are several new ADC channels.
|
|
|
14495
|
Mon Mar 25 10:21:05 2019 |
Jon | Update | Upgrade | c1susaux upgrade plan | Now that the Acromag upgrade of c1vac is
complete, the next system to be upgraded
will be c1susaux. We chose c1susaux because |
|
|
14496
|
Tue Mar 26 04:25:13 2019 |
Johannes | Update | Upgrade | c1susaux upgrade plan |
Quote:
|
|
|
14497
|
Tue Mar 26 18:35:06 2019 |
Jon | Update | Upgrade | Modbus IOC is running on c1susaux2 | Thanks to new
info from Johannes, I was able to finish
setting up the modbus IOC on c1susaux2. |
|
|
14500
|
Fri Mar 29 11:43:15 2019 |
Jon | Update | Upgrade | Found c1susaux database bug | I found the current bias output channels,
C1:SUS-<OPTIC>_<DOF>BiasAdj,
were all pointed at C1:SUS-<OPTIC>_ |
|
|
14590
|
Thu May 2 15:35:54 2019 |
Jon | Omnistructure | Upgrade | c1susaux upgrade documentation | For future reference:
The updated list
of c1susaux channel wiring (includes the |
|
|
16812
|
Mon Apr 25 18:00:03 2022 |
Ian MacMillan | Update | Upgrade | Cable supports update | I have designed new cable supports for
the new ribbon cables running up the side
of the tables in the vacuum chambers. |
|
|
16942
|
Thu Jun 23 15:05:01 2022 |
Water Monitor | Update | Upgrade | Water Bottle Refill | 22:05:02 UTC Jordan refilled his water
bottle at the water dispenser in the control
room. |
|
|
23
|
Mon Oct 29 09:16:31 2007 |
steve | Routine | VAC | the rga is back | We had no filament current since last power
glitch of Oct. 8, 2007
First I thought that the filament was lost, |
|
|
24
|
Mon Oct 29 09:46:50 2007 |
steve | Routine | VAC | vac & pem trend | Pumpdown 64 pumped by maglev for 125 days
pd64-m-d125
|
|
|
38
|
Wed Oct 31 10:31:23 2007 |
Andrey Rodionov | Routine | VAC | Venting is in progress |
We (Steve, David, Andrey) started venting
the vacuum system at 9.50AM Wednesday morning. |
|
|
44
|
Thu Nov 1 09:17:27 2007 |
steve | Routine | VAC | vent 64 | Yesterday before vent I could not lock MC,
therfore I could not measure the
transmitted power at MC2
|
|
|
64
|
Mon Nov 5 22:24:38 2007 |
Andrey, Steve | Omnistructure | VAC | Pumping down goes smoothly |
We (Steve and Andrey) started pumping down
at 3.25PM today. At 9 PM we turned off the |
|
|
65
|
Tue Nov 6 09:14:37 2007 |
steve | Summary | VAC | pump down 65 | 8 hr plot,
precondition: 5 days at atm,
vent objective: drag wiping mc1, mc2 & mc3 |
|
|
76
|
Wed Nov 7 09:38:01 2007 |
steve | Update | VAC | rga scan | pd65-m-d2 at cc1 6e-6 torr |
|
|
129
|
Wed Nov 28 08:47:29 2007 |
steve | Omnistructure | VAC | rga is out of order | The rga is not working since Nov 10
The controller is broken.
pd65-m-d23 |
|
|
139
|
Thu Nov 29 11:10:54 2007 |
rob | Omnistructure | VAC | RGAlogger sleeping | Without the RGA controller responding, the
RGAlogger script just hangs. Rather than
fix it, I just put it to sleep by commenting |
|
|
310
|
Tue Feb 12 13:53:27 2008 |
rob | Omnistructure | VAC | Return of the RGA |
The new RGA head was installed a few days
ago. I just ran the [B]RGAlogger[/B] script |
|
|
322
|
Tue Feb 19 10:14:13 2008 |
steve | Update | VAC | rga logging needs help | The rga head and controller are running fine,
but the data logging is not. |
|
|
344
|
Thu Feb 28 13:04:59 2008 |
rob | Update | VAC | rga logging working again | [quote]The rga head and controller are running
fine, but the data logging is not.[/quote]
|
|
|
351
|
Mon Mar 3 09:25:33 2008 |
steve | Update | VAC | rga scan logging is working now | [quote][quote]The rga head and controller
are running fine, but the data logging is
not.[/quote]
|
|
|
385
|
Thu Mar 20 15:28:20 2008 |
steve | Update | VAC | tp2 's drypump replaced | The fore pump of tp2 was replaced at fore
line pressure 998m Torr |
|
|
388
|
Fri Mar 21 09:02:03 2008 |
steve | Update | VAC | tp 2 failed | Small turbo #2 is the forepump of the maglev.
It failed last night, shut down the maglev
and interlock closed V1
|
|
|
389
|
Fri Mar 21 11:54:38 2008 |
rob | Update | VAC | tp 2 failed | [quote]Small turbo #2 is the forepump of the
maglev.
It failed last night, shut down the maglev |
|
|
423
|
Thu Apr 17 15:00:59 2008 |
steve | Update | VAC | vac controller computer to be replaced | Now that Rosalba is up and running someone
should step forward to volunteer for this
job.
|
|
|
465
|
Mon May 5 15:53:14 2008 |
steve | Update | VAC | drypump replaced & readbacks are out | The small turbo pump of the annulus system
is tp3
It's drypump was replaced at 1.4 Torr after |
|
|
790
|
Mon Aug 4 12:12:20 2008 |
steve | Configuration | VAC | the ifo is at atm | The 40m vac envelope was vented this morning.
P1 is at 760 Torr |
|
|
843
|
Fri Aug 15 19:32:49 2008 |
steve | Configuration | VAC | pumpdown complete | I have just reached vacuum normal. The maglev
peaked at 49.8C body temp with aux fan on
at 3.2 Torr
|
|
|
845
|
Mon Aug 18 09:19:55 2008 |
steve | Summary | VAC | 11 days at atm | It took 11 days to fix earth quake triggered
sus problems of ITMX, SRM and PRM
Only ITMX north and BSC north vac doors were |
|
|
887
|
Tue Aug 26 15:06:16 2008 |
steve | Configuration | VAC | rga scan | Pumpdown 66 PRM-maglev vac normal -day 11
short form: pd66PRM-m-d11 |
|
|
1071
|
Thu Oct 23 11:26:25 2008 |
steve | Bureaucracy | VAC | optosigma forks for vacuum | Nine short forks from OptoSigma were cleaned,
baked and measured by Bob T.
They passed the LIGO vac compatiblity test |
|
|
1085
|
Fri Oct 24 15:05:13 2008 |
steve | Update | VAC | rga is out of order | The old Dycor RGA is out of order.
I'm getting ready to purchase an SRS instrument. |
|
|
1134
|
Fri Nov 14 11:33:19 2008 |
steve | Update | VAC | SRS-RGA installed | Old Dycor rga is removed and new SRS-RGA200
installed.
It is pumped down and ready for hooking up |
|
|
1186
|
Mon Dec 8 11:41:27 2008 |
Yoichi | Summary | VAC | The rough pump for the TP2 replaced | Bob, Yoichi
The foreline pressure of the TP2 (the foreline |
|
|
1212
|
Thu Jan 1 01:15:45 2009 |
Yoichi | Summary | VAC | N2 line leak ? | I've been replacing the N2 bottles recently.
I noticed that the consumption is too high.
I had to replace them every two days.
|
|
|
1220
|
Fri Jan 9 16:52:18 2009 |
steve | Update | VAC | tp3 forline pump replaced | Alberto took 40m vacuum 101 class as we replaced
the drypump at the annulus pump line.
|
|
|
1226
|
Wed Jan 14 09:22:43 2009 |
steve | HowTo | VAC | N2 supply pressure lowered for vac valves | [quote]I've been replacing the N2 bottles
recently.
I noticed that the consumption is too high. |
|
|
1227
|
Wed Jan 14 10:59:06 2009 |
steve | Bureaucracy | VAC | rga waiting to be "connected" | We have no RGA data since old Dycor passed
away in the middle of Oct, 2008
New SRS-RGA200 was installed on the vac envelope |
|
|
1253
|
Mon Jan 26 14:51:54 2009 |
josephb | Configuration | VAC | | We need a new RS-232 to Ethernet bridge in
order to interface properly with the new
RGA. The RGA has a fixed baud rate of 28.8k, |
|
|
1448
|
Wed Apr 1 10:22:13 2009 |
steve | Update | VAC | RGA logging is working | Thanks to Joe B who made the SRS RGA working
with linux
Last data file logged at 2008 Oct |
|
|
1452
|
Fri Apr 3 10:01:50 2009 |
steve | Update | VAC | rgascan with temp plot | Rga scan of day 231 since pumpdown pd66-m-d231
m stands for maglev pumping speed,
vacuum normal condition of valves, |
|
|
1459
|
Wed Apr 8 09:36:20 2009 |
steve | Configuration | VAC | valve condition changed to BG to calibrate the RGA | Vacuum
normal valve condition was changed to accommodate
SRS-RGA calibration. |
|
|
1462
|
Thu Apr 9 11:27:19 2009 |
steve | Update | VAC | vac gauge reading problem | Cold cathode gauge CC4 is reading
normal.
CC1 is glitching, it is probably |
|
|
1486
|
Wed Apr 15 11:25:21 2009 |
steve | Configuration | VAC | RGA cal completed |
|
|
|
1505
|
Mon Apr 20 23:27:59 2009 |
rana | Summary | VAC | c1vac2 rebooted: non-functional for several months | We found several problems with the framebuilder
tonight. The first symptom was that it was
totally out of
|
|