Index: trunk/FACT++/ScriptsForDimCtrl/FeedBackOn =================================================================== --- trunk/FACT++/ScriptsForDimCtrl/FeedBackOn (revision 13709) +++ (revision ) @@ -1,123 +1,0 @@ -# dimctrl script -> -> ------------------------------------------- -> Bias and Feedback StartUp (Current Calibration) -> ------------------------------------------- - -.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 -# -# NOTE: -# The ideas in the line above are both valid, but both not done. -# This is *not good* - -# 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 -> stopping feedback -FEEDBACK/STOP -.w 2000 -# stopping should always be possible, and end in state 'Connected'(6) -.s FEEDBACK 6 -> ..done - -#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 -> switching off bias -BIAS_CONTROL/SET_ZERO_VOLTAGE -.w 2000 -.s BIAS_CONTROL 7 -> ...done - -# 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 -> setting bias globally to 1 DAC -BIAS_CONTROL/SET_GLOBAL_DAC 1 -.w 2000 -.s BIAS_CONTROL 9 -> ...done - -# 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. -> enabling output for feedback -FEEDBACK/ENABLE_OUTPUT yes -.w 2000 -> ...done - -> calibrating bias crate current readings... -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 - -# Thomas Bretz told me, that the feedback, after this 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... -> ... current calibration done -.w 10000 - -> switching off bias -BIAS_CONTROL/SET_ZERO_VOLTAGE -.w 5000 -.s BIAS_CONTROL 7 -> ...done - -# 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... -> switching on current controll feedback ... -FEEDBACK/STOP -FEEDBACK/START_CURRENT_CONTROL 0.0 -FEEDBACK/ENABLE_OUTPUT yes -# the feedback should be in state 'CurrentControl'(12) now -.s FEEDBACK 12 -> ... done -> switching on bias -# 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 -> ...1 DAC globally set -# 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 -> ...ramping to nominal voltage -.s BIAS_CONTROL 9 -> ...bias on -# here we should wait 45 sec in order for the current control to get enough current readings and temp readings to stabilize.. -> waiting 45sec for the current control to stabilize... -.w 45000 -> ... done - - -# 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... -> switching OFF bias ... -BIAS_CONTROL/SET_ZERO_VOLTAGE -.s BIAS_CONTROL 7 -> ...done -> ---------------------------------------------------- -> Bias and Feedback StartUp (Current Calibration) -> ... done. -> ---------------------------------------------------- -> Index: trunk/FACT++/ScriptsForDimCtrl/FeedbackOn =================================================================== --- trunk/FACT++/ScriptsForDimCtrl/FeedbackOn (revision 13710) +++ trunk/FACT++/ScriptsForDimCtrl/FeedbackOn (revision 13710) @@ -0,0 +1,123 @@ +# dimctrl script +> +> ------------------------------------------- +> Bias and Feedback StartUp (Current Calibration) +> ------------------------------------------- + +.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 +# +# NOTE: +# The ideas in the line above are both valid, but both not done. +# This is *not good* + +# 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 +> stopping feedback +FEEDBACK/STOP +.w 2000 +# stopping should always be possible, and end in state 'Connected'(6) +.s FEEDBACK 6 +> ..done + +#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 +> switching off bias +BIAS_CONTROL/SET_ZERO_VOLTAGE +.w 2000 +.s BIAS_CONTROL 7 +> ...done + +# 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 +> setting bias globally to 1 DAC +BIAS_CONTROL/SET_GLOBAL_DAC 1 +.w 2000 +.s BIAS_CONTROL 9 +> ...done + +# 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. +> enabling output for feedback +FEEDBACK/ENABLE_OUTPUT yes +.w 2000 +> ...done + +> calibrating bias crate current readings... +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 + +# Thomas Bretz told me, that the feedback, after this 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... +> ... current calibration done +.w 10000 + +> switching off bias +BIAS_CONTROL/SET_ZERO_VOLTAGE +.w 5000 +.s BIAS_CONTROL 7 +> ...done + +# 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... +> switching on current controll feedback ... +FEEDBACK/STOP +FEEDBACK/START_CURRENT_CONTROL 0.0 +FEEDBACK/ENABLE_OUTPUT yes +# the feedback should be in state 'CurrentControl'(12) now +.s FEEDBACK 12 +> ... done +> switching on bias +# 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 +> ...1 DAC globally set +# 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 +> ...ramping to nominal voltage +.s BIAS_CONTROL 9 +> ...bias on +# here we should wait 45 sec in order for the current control to get enough current readings and temp readings to stabilize.. +> waiting 45sec for the current control to stabilize... +.w 45000 +> ... done + + +# 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... +> switching OFF bias ... +BIAS_CONTROL/SET_ZERO_VOLTAGE +.s BIAS_CONTROL 7 +> ...done +> ---------------------------------------------------- +> Bias and Feedback StartUp (Current Calibration) +> ... done. +> ---------------------------------------------------- +>