 Tue Apr 5 15:25:47 2022, Sebastian, Kristian, Pierre-Michel, DAQ, Go4 Conditions for "TDC_stacked_Sig/Ref" histogram
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First version of TDC_stacked histograms implemented.
Under folder "Conditions" you can now integrate over user defined Limits (Xmin and Xmax). |
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Wed Apr 6 08:06:02 2022, Danyal, DAQ, stopped NTCAP data acquisition
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I stopped the NTCAP data acquisition at 8 AM.
Let's hope that the file contains good data. |
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Wed Apr 6 13:32:57 2022, Max, Sebastian, DAQ, LabView Cobra Channel List
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channel 0: linux time (epoch time)
channel 1: ms timer
channel 2: E-Cooler Voltage(Ohmlabs)
channel 3: Cobra Set Wavelength
channel 4: WS7 wavelength
channel 5: WS7 frequency
channel 6: WS7 status
channel 7: Status keysight (?)
channel 8: WS7 pressure (?)
channel 9: CobraMotorPosUpperPart
channel 10: CobraMotorPosLowerPart
channel 11: CobraNumberOfLoop
channel 12: StatusCobra
channel 13: WS7 temperature (?)
channel 14: CobraFromWavelength (higher wavelength)
channel 15: CobraToWavelength (lower wavelength)
channel 16: CobraIncrement
channel 17: CobraStepNr
channel 18: status?
channel 19: PTB divider (not connected to cooler)
channel 20: ?
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Thu Apr 7 00:36:36 2022, Uwe, DAQ, Threshholds and shaping Mesytec for ADC 
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Thu Apr 7 03:06:15 2022, Patrick, DAQ, DAQ file sizes
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The file sizes of DAQ1 (229Thor) and DAQ2 (229Th, "Carstens DAQ") are different.
During 20min of laser scanning DAQ1 saves 4 files while DAQ2 saves 2 files which was 3.3 GB and 2 GB, respecively.
The file sizes of DAQ2 should always be greater than those of DAQ1, because of extra ADC data!
The problem seems to be solved after the recabling ID: 125. |
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Thu Apr 7 03:09:36 2022, Carsten, DAQ, NTCAP running since 02:40
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Thu Apr 7 03:44:21 2022, Patrick, DAQ, Measurement procedure
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Measurement procedure
- The laser hits the screen 'NO' (atppc017) right side of the burn spot
- Be ready to start a laser scan
- Scan laser goes into wavemeter!
- Have mbs connected
- Have go4 connected
Preparation done
- 'open file (...)' for DAQ1 & DAQ2
- request a new beam
- check scraping
- 'sta ac' for DAQ1 & DAQ2
- start laser scan
laser scan started
- 'sh ac' for DAQ1 & DAQ2
- check that acquisition is RUNNING and file is OPENED
- fill in table information in the ELOG.
laser scan complete
- 'sto ac' for DAQ1 & DAQ2
- 'close file'
- check if preparation is still fulfilled
- repeat from Preparation done |
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Thu Apr 7 04:10:18 2022, Ken Ueberholz, DAQ, Corrected cabling DAQ 2
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A lot of cables were wrongly or not
connected to the DAQ 2.
Channels are now for both DAQ:
0 XUV-Back
1 XUV-Anode
2 XUV-Anode-delayed
3 PMT-South
4 PMT-Middle
5 PMT-North
6 PMT-Cu
7 Part-det-south
8 Part-det-north
9 1kHz
10 -
11 -
12 Delay-common-stop
13 PD-NO
14 PD-SO
15 Q-switch
All data taken by the DAQ2 has to be
considered as faulty up to now.
Carsten was furious. |
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Thu Apr 7 05:23:50 2022, Patrick, DAQ, How To Start MBS for DAQ2 (Carstens DAQ)
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(MBS server should be running at the LXG0155 machine. If not you will get an error message. Then start the server - last command in console)
Just enter the following commands in the console of any PC
ssh stoe_exp@r4l-68
*** Password on a sheet of paper ***
resl
cd /esr/usr/stoe_exp/E142Brandau/SCA... (auto complete with tab)
mbs
@startup
connect rfio lxg0155 -disk
open file lxg0155:/data.local2/E142/229Th -auto -rfio
sta ac
To stop MBS enter the following commands
sto ac
close file
disconnect rfio
@shutdown
exit
resl |
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Thu Apr 7 05:44:40 2022, Pierre-Michel, Ragan, DAQ, NTCAP settings
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Carrier Frequency: 244M
IQ Rate: 10M
reference Level: -30
RF - Attenuation: 40
IF - Attenuation: 19.9288
Masterpath p:\E142\sc
Masterpath p:\E142\IQ
Display: No Display
NTCAP data-taking is stopped at 5:44.
IQ_2022-04-07_02-40-05
SC_2022-04-07_02-40-05 |
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Thu Apr 7 07:40:09 2022, Danyal, Max, Sebastian, DAQ, No beam and DAQs crashed
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since shortly after 7 AM we have no beam in the ESR
(reason unclear)
Both DAQs also crashed.
Beam back in ESR at 7:20 or so
Problems with restarting DAQ1
Problems with restarting DAQ2
Files names 7801 and 7804 and 0047 and 0050 cannot be used |
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Thu Apr 7 09:23:18 2022, Sebastian, DAQ, DAQ1 & DAQ2 - 1kHz and delayed cs removed
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Questionable 1kHz and delayed common stop signals has been removed.
These two cablings were for some previous tests. |
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Thu Apr 7 15:18:25 2022, Danyal & Sebastian, DAQ, DAQ channels
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We checked again the cables for both DAQs
(on Carsten's kind request)
Channels for both DAQs are:
0 XUV-Back
1 XUV-Anode
2 XUV-Anode-delayed
3 PMT-South (new PMT, new threshold)
4 PMT-Middle
5 PMT-North
6 PMT-Cu
7 Part-det-south
8 Part-det-north
9 -
10 -
11 -
12 -
13 PD-NO
14 PD-SO
15 Q-switch |
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Fri Apr 8 01:18:51 2022, Ken Ueberholz, DAQ, TODO: DAQ improvements
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For somebody who knows the DAQ1 code: Go4 resets the histograms with each laser step. Can there be additional histograms where the data gets accumulated?
And possibly a histogram where important detectors are plotted against the laser steps? The read back wavelength of the wavemeter is not very precise. |
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Fri Apr 8 01:48:57 2022, Patrick, DAQ, Bugged Trending plots?
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The wavelengths/frequencies shown in the graph in the labview window do not match the wavelengths/frequencies in go4.
Compare the picture which shows an incomplete laser scan although the scans in the labview window are completed (The measurement was started at an 'elapsed MBS time' of 2700s and took 1700s/28min).
However, the displayed time is correct. Only the data seems to be "stretched".
The same is true for the 'XUV anode' detector. The counter in the electronic module is ahead of the displayed count rate in go4.
Additional Note: The 'Cobra set wavelength' plot shows wavelengths which seem to be measured. However, we would expect deterministic setpoints from the software, see picture. |
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Fri Apr 8 08:40:06 2022, Sebastian, DAQ, DAQ improvement
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Concerning ID 146 a new histogram for accumulating data (no cleaning histograms) can be found under
Step2_Anl/TDC/TDC***_accumulated_*** |
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Fri Apr 8 14:12:57 2022, morning shift, DAQ, timing for h=1
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The timing for h=1 has been set up
The time window is now twice as large as before!
This means that we see the same ion bunch twice.
(150 bins = 1 turn in the ESR)
The PMT signal is exactly in between two cycles + the extra flight time (3 bins = 10 ns) from target to PMT north. |
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Fri Apr 8 14:14:28 2022, Kristian, DAQ, Delay of bunch RF
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The bunch HF is now fed through a delay to shift the stop trigger relative to the PMT signal. The delay generator is placed directly after the CFG and before splitting the signal for the two DAQs. The relative timing of both DAQs was not changed. |
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Fri Apr 8 14:43:50 2022, Wilfried, DAQ, laser timing - Q-switch start
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below are my notes concerning laser timing / Q-switch start |
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Fri Apr 8 17:57:45 2022, Konstantin, DAQ, Laser scanning
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Time | SIS-intensity | cooler-HV | LMD-DAQ1 (R4L-68) | LMD-DAQ2 (R4L-41) | scan range (nm) | step width(nm) | dwell time(s) | comments
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17:28 | 1.1e9 | - | 0083 | 7822 | 322.3-321.3 | 0.01 | 4 | Wrong scan range
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17:48 | 1.4e9 | 209618 | 0084 | 7823 | 322.3-321.3 | 0.01 | 4 | Wrong scan range
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18:10 | 1.6e9 | - | 0085 | 7824 | 323.2-321.2 | 0.01 | 4 | acquisition on r4l-68 crashed
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18:13 | 2e9 | - | 0086 | - | 323.2-321.2 | 0.01 | 4 | acquisition on r4l-41 crashed
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18:29 | 1.9e9 | 209618 | 0087 | 7826 | 323.2-321.2 | 0.01 | 4 | An artifact is observed at about 644nm <-> 322nm fundamental wavelength
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20:17 | 2e9 | 209609 | 0089 | 7827 | 323.2-321.2 | 0.01 | 4 | Cu-mirror and XUV detector are not driven at the moment. It is unclear for how long this was the case. Optimization of the accelerator settings were done before.
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21:12 | 1.6e9 | - | 0089 | 7828 | 323.2-321.2 | 0.01 | 4 | Laser got wrong pulse widths during this scan and also during the last one.
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At about 20:00 the slits were adjusted to the h=1 settings:
NI: 5mm
NA: -3mm
SA: -10mm (also the voltage for the Scitnilator in this pocket was increased to 1500V)
SA_Scraper: +14mm |