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| Archived items are at ../ToDoOld. | |
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| [[#EveryWeek |Every Week]] | [[#EveryWeek|Every Week]] |
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| [[#ComingWeeks |Coming Weeks]] | [[#ComingWeeks|Coming Weeks]] |
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| * Get stuff from [[../WishList]] == December 2018 vent == * Look for cracks in F0 blades. * Install new yaw F0 stepper mechanism (if available). * Install new double-sided F0 fishing rod (have all parts except blades). * Add more mass to IP to get a lower frequency. * Service geophones (one has high noise, one has DC offset). * Re-calibrate F0 GAS LVDT. * Confirm the positions of the IP LVDTs and Actuators. * Tune LBB (adjust table height, damper height) - DON'T BOTHER (unless there's an excuse to open the lower half of the tank). |
* Get stuff from ../WishList |
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| === 2018-12-17 === ==== SRM ==== * Install/test new yaw mechanism. * Adjust height. * Check/adjust optic pitch; release LED to SR2. * Install Enomoto-kun's beam target plate (if available). * Install extension cord for pico drivers. * Find two geophone cables used by Okutomi-san. (I looked in the second floor EXV room but didn't find them - Mark.) * Find one geophone cable ordered for SRM but missing. * Rearrange miswired geophone cable. * Rebuild defective geophone cable. * Seal geophones. * Install geophones and arc weights. * Center IP. ==== SR3 ==== * Install/test new yaw mechanism. * Adjust height. * Realign OL. |
=== 2019-02-12 === * Monday is public holiday. ==== Etc ==== * Wipe inside tanks with Vectra-Alpha wipes and ethanol. ==== BS ==== * Check focus of BS camera. * Debug stepper remote enable. |
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| * Install/test new yaw adjuster. * Adjust height. * Get top plate reduced? * Set up OL cabling. * Set up OL. * Remove tape, writing etc on PI and PI items. * Add new feedthrough to lower part of tank (with Izumi-san-tachi)? * Install cable for MIF pico on LBB (with Izumi-san-tachi)? * Add ballast mass to LBB. |
* Install GAS filter control loops. * Debug stepper remote enable. * Get rid of SR2 cable reel (shutdown FE and rack, replug everything into new power strip, start up rack and FE). * Split model. |
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| <<Anchor(SRPrepTasks)>> | ==== SR3 ==== * Debug stepper remote enable. * Split model. |
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| == SR Prep Tasks - To Be Scheduled == === Tunnel === * Get at least one BIO Converter chassis fully connected (CONTEC BIO card, WD and stepper motor chassis) for implementation and test of stepper motor reset function. * Check SR2, SR3 TM coil gains for magnet polarity compensation. * Replace chipped magnets (12x12x12 mm) in SR3 IP, H1 and H2. |
==== SRM ==== * Set up LEN OL (if/when 3D QPD stage arrives). * Debug stepper remote enable. * Check BIO connections for possible swap of GAS/IP. |
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| === Mitaka or remotely === * Write generic Type B Guardian; make BS and SR3 inherit from it; make analog WD optional for now (all suspensions will get them eventually). * (Continue to) soak the sapphire prisms off the dummy BS for reuse on the SRM metal mass. * Install damping filters for SR2. * Review DAC channel requests. * Split SRx real-time models? |
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| == ASAP == * --(Get picomotor drivers back on line.)-- * --(Debug BS BIO connections, especially PI IP.)-- |
=== Real-Time Model === * See [[KAGRA/Subgroups/VIS/OpsManual/Simulink]] * Restart k1vissrmt (Wednesday during maintenance??): * Re-convert filter files. * Stop SRM Guardian (just stop it dead - don't transition to SAFE; don't let it meddle at all). * Make fresh safe.snap. * Note all TEST and OPTICALIGN offsets. * Put large ramp times (≈30++ s) in all DAMP, TEST and OPTICALIGN filters. * Turn off all DAMP, TEST, and OPTICALIGN filter offsets and master switch. * Restart k1vissrmt. If there are gross problems, consider restarting the whole FE. * Restore safe.snap. * Debug OVERVIEW, IP and WD screens (check for white channels etc). * Restore OPTICALIGN offsets (if necessary), transfer TEST offsets to new ALIGN filters and set long ramp times. * Set new WD thresholds for IP LVDT and ACC. * Enable all DAMP, ALIGN, and OPTICALIGN offsets. * Make sure SRM Guardian is pointing to generic Type B Guardian. * Adjust Type B Guardian code to set long ramp times on all DAMP, ALIGN and OPTICALIGN filters. Wrap the ALIGN stuff in an if block for now to not break BS/SR2/SR3. * Reenable Guardian if/when satisfied. * Rebuild and restart k1visbst and initialize/test as for SRM. * Create new k1vissr2t, k1vissr2p, k1vissr3t, k1vissr3p based on k1vissrmt and k1vissrmp. Be sure to update DCUID numbers: * SR2 FECT=54, FECT=55 * SR3 FECT=56, FECT=57 * (SRM FECT=58, FECP=59) * Update DCUID numbers also in /opt/rtcds/userapps/release/vis/common/medm/vissr2_overview_macro.txt and vissr3_overview_macro.txt. * Rebuild, restart k1vissr2t, k1vissr2p, k1vissr3t, k1vissr3p and initialize/test as for SRM/BS. * For SR2, just before restarting with the new real-time models, power the whole front end down and replug everything into the new power strip. * Turn off all DC-powered boxes. * Shut down the FE computer using the web server at [[http://10.68.99.171]]. * Turn off the IO chassis using the switch on the front. * Turn off the DC power supplies. * Replug all AC-powered stuff (DC supplies, IO chassis, signal generator, routers) into the new power strip that is already there. * Restore everything in reverse order. * Reset the signal generator: 10 kHz, 5 Vpp, sine wave, ON. |
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| === Main Assembly Sequence === * Necessary for phase-I★★★ * --(Modify IP LVDT damping filters to include set point.)-- * --(TFs.)-- * '''''EXCHANGE YAW/VERT FRs at F0''''' * Necessary for phase-II★★ * Debug BS geophones. * Flip circuit boards in BS geophones to make them the same as SRx. * Calibrate IP LVDT actuation against IP LVDT sensing. (Klog 3553? http://klog.icrr.u-tokyo.ac.jp/osl/?r=3553) * Design PI Sensor blending filter. * Tune the LVDT sensitivity * Measure IP period; adjust ballast mass. * At some point (remotely)★ * Improve OL offloading. * Improve GAS offloading. * Spectral analysis of Oplev. * Design, install angular lock servo using OL. (Almost done for phase-I) * Adjust gains and debug damping for IM OSEMs and GAS LVDTs. (Almost done for phase-I) * Subtract DC level of Geophones. * Spectra analysis of PI sensors (PI LVDTs and Geophones). * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs. * Set all EQ stops to TBD clearance. * Modify the model for IP coil driver control |
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| <<Anchor(RealBSHang)>> == Tasks Not To Forget == === Major Tasks === * --(Move safety bars from BS AF area to SR2 area.)-- * Update circuit diagram. * (Time permitting) Try adding mass to IP. * Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD. * Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san). * Figure out how to make PI yaw adjustment reliable. |
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| * --(Return/replace temporary ballast mass (dog clamps).)-- * Characterize replacement F0. * --(Wipe/clean arc weights that were rained on.)-- |
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| ==== Electrical ==== | == Electrical == |
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| ==== Real-time and SUMCON models ==== | == Real-time and SUMCON models == |
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== One Day, If Ever Needed == ==== BS ==== * Tune BS LBB (adjust table height, damper height) - DON'T BOTHER (unless there's an excuse to open the lower half of the tank). * Replace BS F0 thrust bearing and yaw adjuster - BIG JOB, DON'T BOTHER (unless lack of yaw adjustment becomes a major problem). * (Continue to) soak the sapphire prisms off the dummy BS for reuse on the SRM metal mass. ==== SR3 ==== * Replace chipped magnets (12x12x12 mm) in SR3 IP, H1 and H2. ==== SRM ==== * Install Enomoto-kun's beam target plate (if/when available). * Find two geophone cables used by Okutomi-san. (I looked in the second floor EXV room but didn't find them - Mark.) * Find one geophone cable ordered for SRM but missing. * Rearrange miswired geophone cable. * Rebuild defective geophone cable. * Put FC on SRM-W and install it in its holder with 1.4 mm shims ready for possible use. |
VIS Type B To-Do List
Archived items are at ../ToDoOld.
Every Week
Facilities
- Vacuum and roll floor.
- Wipe ladders.
- Tidy tools, parts.
Get stuff from ../WishList
2019-02-12
- Monday is public holiday.
Etc
- Wipe inside tanks with Vectra-Alpha wipes and ethanol.
BS
- Check focus of BS camera.
- Debug stepper remote enable.
SR2
- Install GAS filter control loops.
- Debug stepper remote enable.
- Get rid of SR2 cable reel (shutdown FE and rack, replug everything into new power strip, start up rack and FE).
- Split model.
SR3
- Debug stepper remote enable.
- Split model.
SRM
- Set up LEN OL (if/when 3D QPD stage arrives).
- Debug stepper remote enable.
- Check BIO connections for possible swap of GAS/IP.
Real-Time Model
- Restart k1vissrmt (Wednesday during maintenance??):
- Re-convert filter files.
- Stop SRM Guardian (just stop it dead - don't transition to SAFE; don't let it meddle at all).
- Make fresh safe.snap.
- Note all TEST and OPTICALIGN offsets.
- Put large ramp times (≈30++ s) in all DAMP, TEST and OPTICALIGN filters.
- Turn off all DAMP, TEST, and OPTICALIGN filter offsets and master switch.
- Restart k1vissrmt. If there are gross problems, consider restarting the whole FE.
- Restore safe.snap.
- Debug OVERVIEW, IP and WD screens (check for white channels etc).
- Restore OPTICALIGN offsets (if necessary), transfer TEST offsets to new ALIGN filters and set long ramp times.
- Set new WD thresholds for IP LVDT and ACC.
- Enable all DAMP, ALIGN, and OPTICALIGN offsets.
- Make sure SRM Guardian is pointing to generic Type B Guardian.
- Adjust Type B Guardian code to set long ramp times on all DAMP, ALIGN and OPTICALIGN filters. Wrap the ALIGN stuff in an if block for now to not break BS/SR2/SR3.
- Reenable Guardian if/when satisfied.
- Rebuild and restart k1visbst and initialize/test as for SRM.
- Create new k1vissr2t, k1vissr2p, k1vissr3t, k1vissr3p based on k1vissrmt and k1vissrmp. Be sure to update DCUID numbers:
- SR2 FECT=54, FECT=55
- SR3 FECT=56, FECT=57
- (SRM FECT=58, FECP=59)
- Update DCUID numbers also in /opt/rtcds/userapps/release/vis/common/medm/vissr2_overview_macro.txt and vissr3_overview_macro.txt.
- Rebuild, restart k1vissr2t, k1vissr2p, k1vissr3t, k1vissr3p and initialize/test as for SRM/BS.
- For SR2, just before restarting with the new real-time models, power the whole front end down and replug everything into the new power strip.
- Turn off all DC-powered boxes.
Shut down the FE computer using the web server at http://10.68.99.171.
- Turn off the IO chassis using the switch on the front.
- Turn off the DC power supplies.
- Replug all AC-powered stuff (DC supplies, IO chassis, signal generator, routers) into the new power strip that is already there.
- Restore everything in reverse order.
- Reset the signal generator: 10 kHz, 5 Vpp, sine wave, ON.
Documentation and Operation Manual
- Add useful info from Enzo's notebook to BSData.
Minor Tasks
Mechanical
- Put pointy-tipped screw in RM trolley for BS
Electrical
- Update BS Circuit diagram, D1503600
Note removal of LED/PD on TM OSEMs.
- Organize stepper reset system and watchdog BIO.
- Include information on assignment of channels to feedthrough positions.
- Reflect gender-changers and non-flipping feedthrough adapters.
- Reflect actual cable lengths.
- Include LVDT pin size (1 mm).
- Include Stepper pin size (1.6 mm).
Undo renumbering of IP items.
Page 10: "DIO Card # 0" should be "DIO Card # 1"
Include OutConfigBoards on OL page (Sheet 18).
Update HPCD section to reflect:
All three GAS channels are on HPCD #1 and DIO Card #2, CNB cables, Sheet 13.
Three IP channels are on HPCD #0 and DIO Card #2, CNA cables, Sheet 15.
Real-time and SUMCON models
- Create SUMCON models for full BS and major installation milestones.
Create controls design description (cf LIGO-T1100378).
- Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, Mark)
- Understand/document/debug Kokeyama-san's DIO stuff.
- Measure LPCD and HPCD output filter response.
- Design and install software compensation filters for LPCD and HPCD output filters.
One Day, If Ever Needed
BS
- Tune BS LBB (adjust table height, damper height) - DON'T BOTHER (unless there's an excuse to open the lower half of the tank).
- Replace BS F0 thrust bearing and yaw adjuster - BIG JOB, DON'T BOTHER (unless lack of yaw adjustment becomes a major problem).
- (Continue to) soak the sapphire prisms off the dummy BS for reuse on the SRM metal mass.
SR3
- Replace chipped magnets (12x12x12 mm) in SR3 IP, H1 and H2.
SRM
- Install Enomoto-kun's beam target plate (if/when available).
- Find two geophone cables used by Okutomi-san. (I looked in the second floor EXV room but didn't find them - Mark.)
- Find one geophone cable ordered for SRM but missing.
- Rearrange miswired geophone cable.
- Rebuild defective geophone cable.
- Put FC on SRM-W and install it in its holder with 1.4 mm shims ready for possible use.