Reports 1-1 of 1 Clear search Modify search
AdV-DAQ (Calibration)
melo, rolland - 12:16 Tuesday 01 July 2025 (67182) Print this report
WE PCal switch off (for WE UPS intervention)

This morning, Suzanne has switch off the PCal laser driver and Pd power supply before the WE UPS intervention:

LASER:

1435389674  01 Jul 2025 07:20:56 UTC  (01 Jul 2025 09:20:56 CEST) PUMP OFF

1435389702  01 Jul 2025 07:21:24 UTC  (01 Jul 2025 09:21:24 CEST) KEY OFF

1435389717  01 Jul 2025 07:21:39 UTC  (01 Jul 2025 09:21:39 CEST) SWITCH OFF

 

POWER SUPPLY:

1435390544  01 Jul 2025 07:35:26 UTC  (01 Jul 2025 09:35:26 CEST) POWER SUPPLY OUTPUT OFF

1435390579  01 Jul 2025 07:36:01 UTC  (01 Jul 2025 09:36:01 CEST) POWER SUPPLY SWITCH OFF

 

Comments to this report:
melo, rolland - 22:26 Tuesday 01 July 2025 (67190) Print this report

WE PCal switched on by Suzanne around 13h UTC

LASER

1435409988  01 Jul 2025 12:59:30 UTC  (01 Jul 2025 14:59:30 CEST) SWITCH ON

1435410007  01 Jul 2025 12:59:49 UTC  (01 Jul 2025 14:59:49 CEST) KEY ON

1435410084  01 Jul 2025 13:01:06 UTC  (01 Jul 2025 15:01:06 CEST) PUMP ON

1435410113  01 Jul 2025 13:01:35 UTC  (01 Jul 2025 15:01:35 CEST) REMOTE ENABLED

POWER SUPPLY

1435410166  01 Jul 2025 13:02:28 UTC  (01 Jul 2025 15:02:28 CEST) POWER SUPPLY ON

Then, at 13:08:00 UTC : enabled the laser from VPM and the control loops.

 

We then saw that there was extra-noise (see figure), and we realized that the LED flashing the IRIG-B in front of Tx_PD1 was enabled (red flag in the DMS, thanks Nicola for warning).  SInce WE_Tx_PD1 is in loop, the noise was seen on Tx_PD2 and the Rx sphere instead.

At 16h28UTC, we disabled the LED: PCal noise level back to normal.

 

Images attached to this comment
Search Help
×

Warning

Error

The present report has been modified outside this window. Please check for its integrity in the main page.

Refreshing this page will move this report into drafts.

×