ELOG CARME

AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40

CARME

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Entry time:	Tue Apr 8 14:13:04 2025
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> > 09.45 Found CARME electrical power off > > Reset power switch of distribution box to on > Reset fuse of 19" rack extender board > > One of the SIP power modules may be faulty - others switch on OK > > > 14.00 Checked coolant water flow OK > > Transferred Netgear 24 port Gbit switch from AIDA (S4) to CARME (YR09) > > Re-connected FEE64 RJ45 network cables > Re-connected nnrpi1 RJ45 network cable > Re-connected RJ45 network cable (yellow) to bottom left connector of YR09 patch panel > > @CRYRING user control rooms > > Connected RJ45 netwwork cable (yellow) from bottom left connector of patch panel (labelled "1-2->YR10" and "3-4->YR10") to CARME server carme-gsi p4p1 port > > > Retarted HttpdTcl servers on nnrpi1 and carme-gsi. > > Normal 5x FEE64 power up > > All system wide checks OK > > FEE64 temperatures OK - attachment 1 > > ASIC settings > slow comparator 0x64 > > Pulser running through aida01-05 > Detectors not biased -> lot of noise aida01-04 > > AIDA stats - attachments 3 & 4 > > aida05 pulser width ~150 channels FWHM, normal settings, shaping time 8us - attachment 4 > > See attachments 2-4 > > Tried changing ADC control register to 0xf in local controls tab -> stops waveform producing data -> no effect on pulser width (slight increase to 160 chn) > fast comparator blanked off (enable disable mask in discriminator control) -> no effect on pulser width > aida05 was ungrounded -> grounded aida05 to the same ground as aida01-04 -> pulser width reduced to 46 chns > Set ADC control register back to 0x0 -> waveforms back -> pulser width reduced to 24 chns > Changed shaping time from 8ms to 1ms -> pulser width increased to 67 chns -> changed back to 8ms shaping time -> returns to 24 chn width > Changed shaping time from 8ms to 2ms -> pulser width increased to 52 chns > Changed shaping time from 2ms to 4ms -> pulser width decreased to 33 chns Encoding: HTML ELCode plain Suppress Email notification

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