The Test Stand has been configured for Anode bias. John Chow changed the power supply and the electrical connections have been wired according to ISK4523D REV 6.

Wednesday, May 24, 2017, 17:37: Anode current reduce to 285 A. Anode drain current limited  to a maximum of 300 A. This will be left overnight to see if there is an increase in anode drain current. as was seen today.

Anders Mjos wrote:

The Test Stand has been configured for Anode bias. John Chow changed the power supply and the electrical connections have been wired according to ISK4523D REV 6.   Wednesday, May 24, 2017, 17:37: Anode current reduce to 285 A. Anode drain current limited  to a maximum of 300 A. This will be left overnight to see if there is an increase in anode drain current. as was seen today.

 The Test Stand has been  configured for Cathode bias. John Chow changed the power supply and the electrical connections have been wired according to ISK4563 REV 5.

Tuesday, June 06, 2017, 09:21: roughing.

Friday, June 09, 2017, 08:50: Ion gauge off. Turbo pumps off.

Friday, June 09, 2017, 10:46: Venting.

 Gas bottles for FEBIAD testing were exchanged yesterday around 1:30. One Neon & one Argon bottle were removed.

Two Neon bottles were added.

Friday, June 16, 2017, 11:22: roughing.

Friday, June 16, 2017, 14:28: Turbo pumps on

Friday, June 30, 2017, 10:37: Ion gauge, turbos off.

Friday, June 30, 2017, 13:01: Venting.

-No EE. Insulators, gripper arms, and blank EE plate included

-New grounded 9 pins included in brackets

-TGHT included to out gas Heat shield

Monday, July 17, 2017, 10:48: Roughing.

Monday, July 17, 2017, 11:08: Turbo pumps on.

Monday, July 17, 2017, 11:17: Ion gauge & RGA on.

Tuesday, July 18, 2017, 08:17: Water lines opened. No response on RGA. Vacuum stable @ 1.79e-07T.

Tuesday, July 18, 2017, 08:20: Power/sources on.

Tuesday, July 18, 2017, 08:25: Auto-ramping TGHT to 580A @ 2A per min. Vacuum @ 1.44e-07T.

Wednesday, July 19, 2017, 08:00: Auto cooling TGHT.

Monday, July 24, 2017, 07:38: Power/sources off.

Monday, July 24, 2017, 07:40: Waterlines purged

Monday, July 24, 2017, 07:42: RGA off. Ion gauge off. Turbos off.

Monday, July 24, 2017, 09:10: Venting.

 Target Test (Fully Cleaned vs Crystal Clean only).

For all tests:

-Start Turbo pumps & Ion gauge as soon as available on ISAC TEST STAND VACUUM Screen.

- Ensure previous test turbos are off by 8:15 and started venting by 9:15am to meet timeline.

-Start Roughing by 10:10am +/- 1 minute.

-TGHT / TBHT ramping starts @ 8:30am. 2A per min to 580A / 200A

ALL START TIMES MUST BE CONSISTENT.

***Pre-outgassed*** Heat Shield W.O# 42738-1: Includes insulators, new Al grounded 9-pin, bracket, & gripper arms. Blank/Plate. No source cup/EE.

HP-SIS Target # 42218-8: Crystal Clean only.

Monday, July 24, 2017, 09:46: HS removed from test stand. Exchange target.

Monday, July 24, 2017, 10:08: Target # 42218-8 placed into test stand. Door open for 22 minutes.

Monday, July 24, 2017, 10:10: Roughing.

Monday, July 24, 2017, 10:10: Doors sealed for roughing.

Monday, July 24, 2017, 10:11: BV1B OPEN. Opened @ 306T.

Monday, July 24, 2017, 10:29: Both Turbo pumps started.

Monday, July 24, 2017, 10:34: Ion gauge on. TP1B @ speed 42 KRPM.

Monday, July 24, 2017, 10:38: TP1A @ speed 38 KRPM.

Monday, July 24, 2017, 10:40: RGA on. Vacuum @ 1.51E-05T.

Monday, July 24, 2017, 15:03: Vacuum @ 6.14e-07T

Tuesday, July 25, 2017, 08:02: Water lines opened. No response on RGA. Vacuum stable @ 1.97E-07T.

Tuesday, July 25, 2017, 08:05: Power/Sources on.

Tuesday, July 25, 2017, 08:23: Anode increased to 5, 10, 25, 50 V. Ok @ 0.000mA

Tuesday, July 25, 2017, 08:30: Auto ramping TGHT / TBHT to 580 / 200 A @ 2A per min.

Tuesday, July 25, 2017, 09:00: Open back power supply panel. Using multimeter, 9-pin ground connection verified. Panel closed.

10:45: Check. Vacuum @ 2E-06T.

11:45: Check. Vacuum @ 3.33E-07T.

13:30: Check. Vacuum @ 2.78E-07T.

Tuesday, July 25, 2017, 14:27: Open back power supply panel. Using multimeter, 9-pin ground connection verified. Panel closed

Wednesday, July 26, 2017, 08:15: Check. Vacuum @ 2.60E-07T.

 Wednesday, July 26, 2017, 15:00: Auto-Cooling @ 2A per min. Check. Vacuum @ @2.43e-07T

Thursday, July 27, 2017, 07:20: Check. Vacuum @ 1.44e-07T

Thursday, July 27, 2017, 07:22: Power/sources off.

Thursday, July 27, 2017, 07:24: Waterlines purged.

Thursday, July 27, 2017, 07:26: RGA off.

Thursday, July 27, 2017, 07:27: Ion gauge, Turbos off

Thursday, July 27, 2017, 09:13: Venting.

 Target Test (Fully Cleaned vs Crystal Clean only).

For all tests:

-Start Turbo pumps & Ion gauge as soon as available on ISAC TEST STAND VACUUM Screen.

- Ensure previous test turbos are off by 8:15 and started venting by 9:15am to meet timeline.

-Start Roughing by 10:10am +/- 1 minute.

-TGHT / TBHT ramping starts @ 8:30am. 2A per min to 580A / 200A

ALL START TIMES MUST BE CONSISTENT.

***Pre-outgassed*** Heat Shield W.O# 42738-1: Includes insulators, new Al grounded 9-pin, bracket, & gripper arms. Blank/Plate. No source cup/EE.

HP-SIS Target # 42218-10: Full Clean. Crystal Clear, Acetone, & Methanol used.

Thursday, July 27, 2017, 09:49: HS removed from test stand. Exchange target.

Thursday, July 27, 2017, 10:07: Target # 42218-10 placed into test stand. Door open for 20 minutes.

Thursday, July 27, 2017, 10:10: Roughing.

Thursday, July 27, 2017, 10:10: Doors sealed for roughing.

Thursday, July 27, 2017, 10:13 BV1B OPEN. Opened @ 230T.

Thursday, July 27, 2017, 10:29: Both Turbo pumps started.

Thursday, July 27, 2017, 10:34: Ion gauge on. TP1B @ speed 42 KRPM.

Thursday, July 27, 2017, 10:37: TP1A @ speed 38 KRPM.

Thursday, July 27, 2017, 10:40: RGA on. Vacuum @ 1.42T.

Thursday, July 27, 2017,15:00: Check. Vacuum @ 5.51e-07T.

Thursday, July 27, 2017, 15:02: Waterlines opened. No response on RGA. Vacuum @ 5.42e-07T

Thursday, July 27, 2017, 15:05: Power on.

Friday, July 28, 2017, 08:30: Ramping started

Monday, July 31, 2017, 07:56: Ramping down

Monday, July 31, 2017, 14:25: Power supplies off. RGA off.

Tuesday, August 15, 2017, 06:48: Ion gauge, Turbo pumps off.

Tuesday, August 15, 2017, 06:50: power off. Waterlines purged.

Tuesday, August 15, 2017, 07:55: Venting.

 Thursday, August 03, 2017, 17:00: Restarted TPs

 The Xantrex 10V 600 A power supply for the TBHT has been moved to ITE to replace the failed TGHT power supply

Anders Mjos wrote:

The Xantrex 10V 600 A power supply for the TBHT has been moved to ITE to replace the failed TGHT power supply

 A spare EMI-EMS 10 V - 500 A power supply was installed last Friday by John Chow. Dave Morris has connected the controls today and updated EPICS. The local voltage readback on the power supply does not work.

Monday, September 25, 2017, 14:10: Roughing.

Wednesday, September 27, 2017, 08:23: Turbo pumps on

Friday, October 06, 2017, 09:04: Ion gauge off. Turbos off.

Friday, October 06, 2017, 11:17: Venting.

Tuesday, October 10, 2017, 09:30:  Install/swap gas bottles. Elog.

Removed smallest Neon leak. Neon Bottle Serial #11231. Leak rate calibrated @ 1.59e-07 atm*CC/sec (02/09/2016)

In use:

Neon Bottle Serial #09572. Leak rate calibrated @ 1.82e-06 atm*CC/sec (02/09/2016)

Argon Bottle Serial #09937. Leak rate calibrated @ 1.35 x10-6 Atm-CC/sec (08/06/2003)

Tuesday, October 10, 2017, 10:12: Gas bottles opened. Pump not on? Vacuum spiked into e-04T. All closed. Await vacuum stabilization.

Tuesday, October 10, 2017, 10:36: Power on. Pump on Gas bottles opened. Await vacuum stabilization.

pump off.

Unable to hold Anode voltage after power supply change out.

Tuesday, October 10, 2017, 14:55: The Test Stand has been configured for Anode bias and the electrical connections have been wired according to ISK4523D REV 6.

At this current point in time John Chow has removed the power supply (PS). Will update once polarity is switched (if required) and is re-installed to the test stand.

Wednesday, October 11, 2017, 10:25: Polarity was switched  and PS is installed on the test stand. Sources/power switched on.

Monday, October 16, 2017, 11:45: Roughing.

Monday, October 16, 2017, 12:05: Turbo pumps started.

Monday, October 16, 2017, 12:10; Ion gauge on.

Tuesday, October 17, 2017, 10:43: Waterlines opened. RGA not on. Vacuum ok @ 1.53e-07T. Power/sources on.

Tuesday, October 17, 2017, 10:45: RGA on.

Tuesday, October 17, 2017, 10:50: BIAS / EZL / EE @ 30 / 13 / 1.5 kV .

Tuesday, October 17, 2017, 14:44: EE Current Stable.

Tuesday, October 17, 2017, 14:52: Power/sources off.

Tuesday, October 17, 2017, 14:54: Waterlines purged.

with Fernando

Tuesday, October 24, 2017: Testing setup with triple coil

Wednesday, October 25, 2017: Field mapping at 70 A and current/field measurements on triple coil.

The turbo pump will need replacement.

Turbo pump TP6 requires replacement.

Wednesday, November 15, 2017, 09:55: Turbo (TP2) off. Ion gauge off.

Wednesday, November 15, 2017, 10:55: Venting

Chamber 'open state, no turbos' 2 weeks. Testing Silver plated 3/8"-16x1" (SCR, SHC, 18-8, AG) bolt on the TBHT.

Friday, December 01, 2017, 14:26: Roughing. BV1B open.

Friday, December 01, 2017, 14:27: BV1A open

Friday, December 01, 2017, 14:47: Turbo pumps on.

Friday, December 01, 2017, 14:53: Ion gauge on (Vacuum @ 1.44 e-04T)

Friday, December 01, 2017, 14:57: Turbos @ speed. RGA on.

Monday, December 04, 2017, 09:27: System rebooted after weekend power outage.

Tuesday, December 05, 2017, 08:10: RGA on.

Tuesday, December 05, 2017, 08:17: Waterlines opened. Vacuum ok @ 1.56e-06T

Tuesday, December 05, 2017, 08:20: Power on. (Power supplies in off position) Turn power off

Open back. switch power supplies to on.

Tuesday, December 05, 2017, 08:35: Power on

Tuesday, December 05, 2017, 08:37: Auto ramping TGHT / TBHT to 150 / 75 A @ 2A per min.

Tuesday, December 05, 2017, 09:55: Auto ramping TGHT / TBHT to 200 / 75 A @ 2A per min.

Tuesday, December 05, 2017, 10:28: Auto ramping TGHT / TBHT to 400 / 150 A @ 2A per min. Vacuum @ 1.56e-06T.

Tuesday, December 05, 2017, 12:50: Auto ramping TGHT / TBHT to 580 / 200 A @ 2A per min. Vacuum @ 3.03e-06T.

Tuesday, December 05, 2017, 12:58: Auto ramping halted. Vacuum @ 3.12e-06T. Allow vacuum to improve.

Wednesday, December 06, 2017, 08:03: Auto ramping TGHT / TBHT to 580 / 200 A @ 2A per min. Vacuum @ 2.65e-06T. Added note*** The Silver bolts are NOT vented ***.

Wednesday, December 06, 2017, 08:30: TGHT / TBHT @ 449 / 199 A. Vacuum @ 3.03e-06T and holding. Auto-ramping continued. No halt.

Wednesday, December 06, 2017, 10:45: Check. TGHT / TBHT @ 449 / 199 A. Vacuum @ 3.36e-06T and holding. Auto-ramping on wait.

Wednesday, December 06, 2017, 14:37: Check. TGHT / TBHT @ 449 / 199 A. Vacuum @ 3.21e-06T and holding. Auto-ramping halted. Allow Vacuum to improve.

Thursday, December 07, 2017, 07:52: Auto ramping TGHT / TBHT to 580 / 200 A @ 2A per min. Vacuum @ 2.33e-06T.

Thursday, December 07, 2017, 09:00: Check. TGHT / TBHT @ 571 / 200 A. Vacuum @ 3.19e-06T. Auto-ramping halted. Allow Vacuum to improve.

Friday, December 08, 2017, 07:52: Auto ramping TGHT to 580 A from 571 A @ 2A per min. Vacuum @ 2.04e-06T.

Monday, December 11, 2017, 08:00: Auto cooling @ 2A per min.

Monday, December 11, 2017, 13:45: Sources/power off. Water cooling off.

Tuesday, December 12, 2017, 06:35: RGA, Ion gauge, turbo pumps off.

Tuesday, December 12, 2017, 07:45: Venting.

Tuesday, December 12, 2017, 08:23: Doors open.

Power outage over the weekend. Reboot PLC and systems.

Monday, December 04, 2017, 08:22: Turbo pumps TMS:TP6 & TP2 Restarted.

Monday, December 04, 2017, 08:28: Time out on turbo pump TP1B.

Monday, December 04, 2017, 09:25: Turn off/restart TSG:TP1B Maincontrol.

Monday, December 04, 2017, 09:26: TMS:IG6 Restarted.

Monday, December 04, 2017, 14:24: Multi gauge controller to TSG:IG1 burned out. Replaced. Vacuum @ 4.45e-06T. Monitor.