Index: /trunk/FACT++/ScriptsForDimCtrl/FirstDrsCalib =================================================================== --- /trunk/FACT++/ScriptsForDimCtrl/FirstDrsCalib (revision 13109) +++ /trunk/FACT++/ScriptsForDimCtrl/FirstDrsCalib (revision 13110) @@ -1,32 +1,77 @@ -# Making sure bias is off +# dimctrl script +.! echo `date -u` " " >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +.! echo `date -u` " " >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log .! echo `date -u` "First DRS Calibration Script starting up..." >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log .! echo `date -u` "-------------------------------------------" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log -.! echo `date -u` "reconnecting to bias crate / switching bias ON / disabling feedback" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log -BIAS_CONTROL/RECONNECT -.! echo `date -u` "wating for RECONNECT --> voltageOff" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log -.s BIAS_CONTROL 7 5000 -FEEDBACK/START_CURRENT_CONTROL 0.00 -FEEDBACK/ENABLE_OUTPUT 1 -.w 3000 + +.w 2000 +# As a First step we want to calibrate the current, which are read from the bias crate, +# and not take a DRS calibration, as it is mentioned in the data taking page... +# so for this we should get the feedback and biasctrl programs into known states +# I think it is good to try a RECONNECT to the bias, and make sure the voltage is off +# Since we do not know, what the feedback program is doing at the moment, we should as well, +# tell it to keep its mouth shut ... just to be sure, we know whats going on +FEEDBACK/STOP +.w 2000 +# stopping should always be possible, and end in state 'Connected'(6) +.s FEEDBACK 6 + +#BIAS_CONTROL/RECONNECT +# If we were disconnected, and this was the first try of the night, the bias_ctrl should +# be in state 'VoltageOff'(7) more or less immediately +#.s BIAS_CONTROL 3 +#.s BIAS_CONTROL 7 5000 +# if these assumptions are all wrong, then we might have been properly connected anyway, +# and just have to ramp down... lets do it, but wait forever, in case it does not work +BIAS_CONTROL/SET_ZERO_VOLTAGE +.w 2000 +.s BIAS_CONTROL 7 + +# in case we reach this line, the voltages are all off, and the feedback does not do anything +# So lets do the current calibration, therefor we tell the bias crate to ramp up just 1 single DAC count(~22mV) +# the result of this action is, to get bias_ctrl into the state 'VoltageOn'(9), but since we only go one DAC count it shouldn't take long BIAS_CONTROL/SET_GLOBAL_DAC 1 +.w 2000 .s BIAS_CONTROL 9 -FEEDBACK/ENABLE_OUTPUT 0 -FEEDBACK/STOP -.s FEEDBACK 6 -.w 500 -.! echo `date -u` "calibrating bias crate current readings..." >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log + +# now we may tell the feedback program to calibrate the currents ... +# I do not understand, if I have to explicitely allow the feedback program to generate output, +# or if it just produces output... +# As far as I understand, the feedback output enable status is the same, +# as it was before I send the STOP command... so it is unknown at this point. +# and in addition enabling or disabling the output, when STOPed is not possible as far as I know... +# I try to enable it anyway. +FEEDBACK/ENABLE_OUTPUT yes +.w 2000 + +.! echo `date -u` "calibrating bias crate current readings..." >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log FEEDBACK/CALIBRATE_CURRENTS +.w 5000 +# in order to find out when the calibration ends, we have to wait for the transistion from state +# 'Calibrating'(13) back to 'Connected'(6) .s FEEDBACK 13 .s FEEDBACK 6 -.w 3000 -FEEDBACK/START_CURRENT_CONTROL 0.00 -.w 500 -FEEDBACK/ENABLE_OUTPUT 1 + +# Thomas Bretz told me, that the feedback, after this is step has disabled its output +# and is in the mode, we might call 'temperature control' even there is no temerature beeing controlled. +# I don't know where the voltage is ... in order to perform the calibration, the feedback had to +# ramp up to 2V below the operational voltage, i.e. about 1V below the breakdown voltage + +# We want to take a DRS amplitude calibration so we have to ramp down the bias voltage. +# this 10sec wait is needed in order for the bias not to disconect all the time... +.! echo `date -u` "current calibration done" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +.w 10000 + BIAS_CONTROL/SET_ZERO_VOLTAGE +.w 5000 .s BIAS_CONTROL 7 -.! echo `date -u` "bias voltage is switched off" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log + +# So now we can take the 3 runs, which are called DRS amplitude calibration: +# A pedestal run with ROI=1024 +# A gain calibration run with ROI=1024 +# and a second pedestal run, with the same ROI as our next data will be, i.e. ROI=300 in this case +.! echo `date -u` "taking DRS:Pedestal 1000 ..." >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log FAD_CONTROL/START_DRS_CALIBRATION - -.! echo `date -u` "taking DRS:Pedestal 1000 ..." >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +###FAD_CONTROL/SET_FILE_FORMAT 0 MCP/START -1 1000 drs-pedestal .s FAD_CONTROL 8 @@ -46,6 +91,11 @@ .! echo `date -u` "... done" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +# okay this is the DRS calibration for the next few runs. +# we are now asked to take again a pedestal run, which can be used, to +# calculate the electronics noise for instance ... since the shutter is closed and the +# voltage is off .. there should not be alot of signal in it :-) .! echo `date -u` "taking crosscheck Pedestal 1000 ..." >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log FAD_CONTROL/SET_FILE_FORMAT 2 +###FAD_CONTROL/SET_FILE_FORMAT 0 MCP/START -1 1000 pedestal .s FAD_CONTROL 8 @@ -53,22 +103,42 @@ .! echo `date -u` "... done" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +# now we want to take a run, with dark counts events +# so we need to ramp up the voltage +# we want to use the 'current control' more so we give the commands for this... .! echo `date -u` "switching on bias ..." >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +FEEDBACK/STOP +FEEDBACK/START_CURRENT_CONTROL 0.0 +FEEDBACK/ENABLE_OUTPUT yes +# the feedback should be in state 'CurrentControl'(12) now +.s FEEDBACK 12 + +# now we give the feedback a hint, that it may ramp ... BIAS_CONTROL/SET_GLOBAL_DAC 1 +# after this command the bias_ctrl should be in state 'VoltageOn'(9) after a second or so .s BIAS_CONTROL 9 +# then usually it takes some time until the feedback has enough information to really start controlling the voltage +# when the feedback actually kicks in, the bias is first in state 'Ramping'(5) for some seconds and finally in 'VoltageOn'(9) +# again .s BIAS_CONTROL 5 .s BIAS_CONTROL 9 .! echo `date -u` "... done" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log -.! echo `date -u` "taking Pedestal with BIAS on 1000 ..." >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log -MCP/START -1 1000 pedestal +# so now we can take the dark count run ... +# this might be changed in the future ... either the number of events or the the ROI might be changed +# then the DRS calibration above, and the pedestal run in between have to be changed as well. +.! echo `date -u` "taking Pedestal with BIAS on 3000 ..." >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +MCP/START -1 3000 pedestal .s FAD_CONTROL 8 .s FAD_CONTROL 4 .! echo `date -u` "... done" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +# at the end the bias voltage should be ramped down, since in a few seconds a shifter wit ha flashlight +# will come out to open the shutter... .! echo `date -u` "switching OFF bias ..." >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log BIAS_CONTROL/SET_ZERO_VOLTAGE .s BIAS_CONTROL 7 -.! echo `date -u` "... done" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +.! echo `date -u` "This is the end of First DRS Calibration" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log .! echo `date -u` "----------------------------------------------------" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log -.! echo `date -u` "This is the end of First DRS Calibration" >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +.! echo `date -u` " " >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log +.! echo `date -u` " " >> ~/FACT++/ScriptsForDimCtrl/DataTaking.log