Solenoid dumps
From GlueXWiki
Unintended Magnet Dumps
The list is in the reverse chronological order. It does not include very early times.
Date | Time | Current, A | Ramp, A/s | PXI file | LOG | Coil 2 spike? | Cause |
2017/02/07 | 13:58:10 | 1350 | 0. | pxi_20170207_134445.root | log | middle | The refrigerator was accidentally turned off by a crash button |
2016/12/14 | 09:31:50 | 1150 | 0.06 | pxi_20161214_092531.root | log | no | A positive voltage excursion on Coil 2, mostly 2D (VTT7) |
2016/12/13 | 19:37:15 | 505 | 0.2 | pxi_20161213_192448.root | log | before | A positive voltage excursion on Coil 2 (≈0.2 s, ≈4 V), mostly 2D (VTT7), followed by a sharp spike on Coil 2D |
2016/12/13 | 17:47:26 | 740 | 0.2 | pxi_20161213_173728.root | log | after | QD trip by positive voltage excursion 0.2 s on Coil 2, mostly 2D (VTT7) |
2016/04/27 | 18:37:23 | 1345 | 0. | pxi_20160427_182709.root | log | no | MPS trip |
2016/04/08 | 14:41:08 | 1200 | 0. | missing | log | not checked | Unknown - a fuse in the MPS? |
2016/04/05 | 13:44:16 | 1200 | 0. | pxi_20160405_133835.root | log | after | Refrigerator trip |
2016/03/28 | 09:03:29 | 508 | 0.2 | pxi_20160328_090140.root | log | after | QD was triggered (marginally) by a 2s-long negative voltage excursion on Coil 2. A spike followed 0.15s after the dump. |
2016/03/23 | 12:49:29 | 800 | 0. | pxi_20160323_124313.root | log | no | lead flow transient |
2016/02/12 | 09:45:59 | 300 | 0. | pxi_20160212_094433.root | log | no | Slow dump (cause uncertain) triggered QD and fast dump |
2016/02/07 | 17:08:30 | 890 | 0.12 | pxi_20160207_170730.root | log | after | Slow dump (cause uncertain) triggered QD and fast dump |
2016/02/07 | 14:38:25 | 1000 | 0. | pxi_20160207_142631.root | log | no | Slow dump (cause uncertain) triggered QD and fast dump |