From 833de3abfaa02591f2b58d03df9972ae964d165e Mon Sep 17 00:00:00 2001 From: Camilla Galloni <camilla.galloni@cern.ch> Date: Thu, 21 Jul 2022 15:26:34 +0200 Subject: [PATCH] Update on s-bit scan procedure --- docs/operations/taking-data.md | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/docs/operations/taking-data.md b/docs/operations/taking-data.md index accbeaf..2458d2b 100644 --- a/docs/operations/taking-data.md +++ b/docs/operations/taking-data.md @@ -10,15 +10,21 @@ Meaningfull scans that are supposed to be stored for future reference are to be ### Starting the S-bit rate scan -To take a threshold scan, first connect to [RCMS](http://cmsrc-gem.cms:20000/rcms/gui/servlet/FMPilotServlet), then create a miniDAQ3 session or attach to a running session. +To take an S-bit scan, first connect to [RCMS](http://cmsrc-gem.cms:20000/rcms/gui/servlet/FMPilotServlet), then create a miniDAQ3 session or attach to a running session. + +From the RCMS interface, click on "Initialize" and "Connect". + +Consider that usually S-bits scans are taken without HV amplification to investigate the noise level in the detector, so you might need to take action with the DCS on the HV settings. + +Open the [xDAQ](http://srv-s2g18-33-01.cms:20100/urn:xdaq-application:service=calibration) calibration suite. In case the calibration suite page was already opened before, reload the page manually. -From the RCMS interface, click on "Connect" and then "Configure". +From the dropdown menu, select the calibration type "S-bit ARM DAC scan", then set the number of iterations in the "Iterations" text box to 6 and leave all the other parameters to their default values. Click on "Apply settings". -Open the [xDAQ](http://srv-s2g18-33-01.cms:20100/urn:xdaq-application:service=calibration) calibration suite. In case the calibration suite page was already opened before you clicked on "Connect" in RCMS, reload the page manually. +move to the RCMS interface leaving the calibration web page open and click "Configure". Then in the calibration web page, press "Run". -From the dropdown menu, select the calibration type "S-bit ARM DAC scan", then set the number of iterations in the "Iterations" text box to 6 and leave all the other parameters to their default values. Click on "Apply settings" and then "Run". +While the scan is ongoing, from any p5 GEM DAQ machine check that the output files are being written in `/gemdata/runs/minidaq/sBitRateScan`. You can also check in the logs present in `/gemdata/log/` what the software is doing. -While the scan is ongoing, from any p5 GEM DAQ machine check that the output files are being written in `/gemdata/runs/minidaq/sBitRateScan`. +The output files needs to be moved otherwise they will get overwritten by the next scan. ### Analyzing the S-bit scan -- GitLab