Detector 3

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  2015-335-23:39:53 /ihvdac detector=3, voltage=67 ; (1274.5 V)
  2015-335-23:39:53 /ihvdac detector=3, voltage=67 ; (1274.5 V)
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* 2015 December 10, power-cycling:  D3's HV was ramped to 0.0 v and the Detector Interface Board #3 was powered off for one orbit. The detector segmented once a few tens of volts were applied.  We ramped it back up to 1000 V by the end of the pass.  The front livetime returned to ~78%, about the same as before the power cycle. If this power-cycling improved the detector status, we wanted to lower front slow threshold from 0xC0 to 0xB0 in order to better support GRIPS (0xC0 is 35 keV). However, D3 spectrum showed no change after this power-cycling. So, no threshold change was made.
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2015-344-16:42:42 /IHVDAC DETECTOR=3, VOLTAGE=0 (0 V)
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2015-344-16:44:30 start idib_single_off(3)
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2015-344-18:18:23 start idib_single_on(3)
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2015-344-18:18:50 /ihvdac detector=3, voltage=10 (173 V)
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2015-344-18:19:46 /ihvdac detector=3, voltage=53 (1000 V)
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===D3 front slow LLD threshold history===
===D3 front slow LLD threshold history===

Revision as of 01:02, 12 December 2015

This page contains information about changes/issues for RHESSI detector 3 after the 2014 anneal. Detector updates from 2012-mid 2014 can be found here: Detector 3 anneal 2012

Contents

Notes

Detector 3 is SEGMENTED following the 2014 anneal (yay!)

 14-241-18:34:11 /IDPUTABLE3 REARFASTDAC  ;Load address 0x25CC 
 14-241-18:34:31 /IDPULOAD VALUE=0x60     ;Rear fast from ox50 to 0x60

2015-152-16:58:07 /IDPUTABLE3 OFFSET=FRONTFASTDAC
2015-152-16:58:16 /IDPLOAD VALUE=0x30  ; was 0x22
2015-191-19:20:47 /IDPUTABLE3 OFFSET=FRONTFASTDAC
2015-191-19:20:58 /IDPLOAD VALUE=0x40  ; was 0x30
15-232-22:16:08 start idib_chg_thrshld (3, FRONT, FAST, 0x50)
15-232-22:16:30 /IDPUDUMPTABL TABLE=DIBTBL3
15-232-22:16:30 /IDPUTABLE3 OFFSET=FRONTFASTDAC
15-232-22:16:41 /IDPLOAD VALUE=0x50
2015-236-20:45:42 /IDPUTABLE3 OFFSET=REARFASTDAC
2015-236-20:45:54 /IDPLOAD VALUE=0x80 ; was 0x70
2015-237-00:03:38 /IDPUTABLE3 OFFSET=REARFASTDAC
2015-237-00:03:48 /IDPLOAD VALUE=0x90 ; was 0x80
2015-239-17:57:41 /IDPUTABLE3 OFFSET=FRONTSLOWDAC
2015-239-17:57:50 /IDPLOAD VALUE=0x1C  ; was 0x0C
2015-239-19:33:13 /IDPUTABLE3 OFFSET=REARFASTDAC
2015-239-19:33:23 /IDPLOAD VALUE=0xA0 ; was 0x90
2015-239-21:13:25 /IDPUTABLE3 OFFSET=FRONTFASTDAC
2015-239-21:13:33 /IDPLOAD VALUE=0x60  ; was 0x50
2015-257-17:33:14 /IDPUTABLE3 OFFSET=REARFASTDAC
2015-257-17:33:22 /IDPLOAD VALUE=0xB0 ; was 0xA0
2015-266-19:24:00 /IDPUTABLE3 OFFSET=FRONTSLOWDAC
2015-266-19:24:12 /IDPLOAD VALUE=0x1C   ;was 0x80
15-276-01:48:22 start idib_chg_thrshld(3, FRONT, SLOW, 0x0C) ; was 0x1C
15-276-01:48:26 /IDPUDUMPTABL TABLE=DIBTBL3
15-276-01:48:26 /IDPUTABLE3 OFFSET=FRONTSLOWDAC
15-276-01:48:37 /IDPLOAD VALUE=0x0C
15-278-21:28:51 start idib_chg_thrshld(3, FRONT, SLOW, 0x15)  ; was 0x0C
15-278-21:28:55 /IDPUDUMPTABL TABLE=DIBTBL3
15-278-21:28:55 /IDPUTABLE3 OFFSET=FRONTSLOWDAC
15-278-21:29:13 /IDPLOAD VALUE=0x15
2015-280-22:13:30 /IDPUTABLE3 OFFSET=FRONTFASTDAC
2015-280-22:13:38 /IDPLOAD VALUE=0xD0  ; was 0x80
2015-281-21:56:47 /IDPUTABLE3 OFFSET=REARFASTDAC
2015-281-21:57:12 /IDPLOAD VALUE=0xE0 ; was 0xD0
2015-282-19:56:09 /IDPUTABLE3 OFFSET=REARFASTDAC
2015-282-19:56:18 /IDPLOAD VALUE=0xF0 ; was 0xE0
2015-282-23:02:27 /IDPUTABLE3 OFFSET=REARFASTDAC
2015-282-23:02:35 /IDPLOAD VALUE=0xFF ; was 0xF0
 2015-301-20:28:06 /ihvdac detector=3, voltage=196
2015-312-06:17:30 /IDPUTABLE3 OFFSET=FRONTFASTDAC
2015-312-06:17:43 /IDPLOAD VALUE=0xE0  ; was 0xD0
2015-313-19:25:25 /IDPUTABLE3 OFFSET=FRONTFASTDAC
2015-313-19:25:33 /IDPLOAD VALUE=0xF0  ; was 0xE0
2015-318-07:01:15 /ihvdac detector=3, voltage=157
2015-319-04:59:14 /IDPUTABLE3 OFFSET=FRONTFASTDAC
2015-319-04:59:22 /IDPLOAD VALUE=0xFF  ; was 0xF0
2015-326-03:44:34 /ihvdac detector=3, voltage=117  ; (2254V)
2015-329-21:24:25 /IDPUTABLE3 OFFSET=FRONTSLOWDAC
2015-329-21:24:36 /IDPLOAD VALUE=0x30  ; was 0x15
2015-334-22:24:52 /ihvdac detector=3, voltage=107
2015-334-22:25:51 /ihvdac detector=3, voltage=97
2015-334-22:26:32 /ihvdac detector=3, voltage=87
2015-334-22:27:21 /ihvdac detector=3, voltage=77 (1470 V)
2015-334-22:28:41 /IDPUTABLE3 OFFSET=FRONTSLOWDAC
2015-334-22:28:50 /IDPLOAD VALUE=0xC0  ; was 0x50
2015-335-23:39:53 /ihvdac detector=3, voltage=67 ; (1274.5 V)
2015-344-16:42:42 /IHVDAC DETECTOR=3, VOLTAGE=0 (0 V)
2015-344-16:44:30 start idib_single_off(3)
2015-344-18:18:23 start idib_single_on(3)
2015-344-18:18:50 /ihvdac detector=3, voltage=10 (173 V)
2015-344-18:19:46 /ihvdac detector=3, voltage=53 (1000 V)

D3 front slow LLD threshold history

post 2014 anneal 0x0C
2015-08-27 17:57:50 UTC 0x1C (was 0x0C)
2015-09-17 06:35:17 UTC 0x80 (was 0x1C)
2015-09-23 19:24:12 UTC 0x1C (was 0x80)
2015-10-03 01:48:22 UTC 0x0C (was 0x1C)
2015-10-05 21:28:51 UTC 0x15 (was 0x0C)
2015-11-25 21:24:36 UTC 0x30 (was 0x15)
2015-11-29 22:28:50 UTC 0xC0 (was 0x50)

D3 front fast LLD threshold history

post 2014 anneal 0x22
2015-06-03 16:58:16 UTC 0x30 (was 0x22)
2015-07-09 19:20:58 UTC 0x40 (was 0x30)
2015-08-20 22:16:41 UTC 0x50 (was 0x40)
2015-08-27 21:13:33 UTC 0x60 (was 0x50)
2015-09-17 06:36:45 UTC 0x70 (was 0x60)
2015-09-22 19:47:12 UTC 0x80 (was 0x70)
2015-10-07 22:13:38 UTC 0xD0 (was 0x80)
2015-11-08 06:17:43 UTC 0xE0 (was 0xD0)
2015-11-09 19:25:33 UTC 0xF0 (was 0xE0)
2015-11-15 04:59:22 UTC 0xFF (was 0xF0)

D3 rear slow LLD threshold history

post 2014 anneal 0x30

D3 rear fast LLD threshold history

post 2014 anneal 0x45
2014-08-26 19:22:56 UTC 0x50 (was 0x45)
2014-08-29 18:33:28 UTC 0x60 (was 0x50)
2015-08-24 20:45:54 UTC 0x80 (was 0x70)
2015-08-25 00:03:48 UTC 0x90 (was 0x80)
2015-08-27 19:33:23 UTC 0xA0 (was 0x90)
2015-09-14 17:33:22 UTC 0xB0 (was 0xA0)
2015-09-17 06:37:06 UTC 0xC0 (was 0xB0)
2015-09-21 20:09:44 UTC 0xD0 (was 0xC0)
2015-10-08 21:57:12 UTC 0xE0 (was 0xD0)
2015-10-08 19:56:18 UTC 0xF0 (was 0xE0)
2015-10-08 23:02:35 UTC 0xFF (was 0xF0)


D3 HV history

post 2014 anneal 3995 V
2015-10-28 20:28:06 UTC 3799 V (was 3995 V)
2015-11-14 07:01:15 UTC 3044 V (was 3799 V)
2015-11-22 03:44:34 UTC 2255 V (was 3044 V)
2015-11-29 22:27:21 UTC 1470 V (was 2255 V)
2015-12-01 23:39:53 UTC 1274 V (was 1470 V)
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