AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
AIDA
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Entry time:
Fri Apr 26 00:10:43 2024
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> The USB controlled power Relays are near their AC fuse operating limit which has caused some Fuse failures. > To reduce the power consumption of each FEE64 it is possible to power down the Waveforms ADCs saving about 20W per FEE64. > > To Powerdown the ADCs in a FEE64 use the 'Local Data' browser window from the 'Control' browser window. Change the setting of the ADC Control > Register at offset 2 from 0 to 0xFF. All the FEE64s can be thus controlled by using the 'Act on all' tick box. > Clearly, the System Check for ADC calibration will now fail for all those that are powered down. > > To Power up the ADCs change the setting from 0xFF to 0. Then using the FADC Calibration browser window calibrate the FADCs. > > The SYSTEM should be in the 'STOP' state during these procedures. > > Should the SYSTEM be power cycled then the ADCs will be powered up. > > Saving at the 16A AC fuse is estimated to be 3A as there are 16 FEE64 being powered through each.
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ELOG V3.1.4-unknown