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SCT DAQ

SCT DAQ. Bruce Gallop RAL + many others. What we need to do. Get ready for run 2 Expanded ROD DAQ 90 to 128 RODs for high trigger and high pileup Run smoothly Monitor and mitigate/recover from potential errors Calibration. Barrel fibres remapping. Remap Txs to RODs to even out load

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SCT DAQ

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  1. SCT DAQ Bruce Gallop RAL + many others

  2. What we need to do • Get ready for run 2 • Expanded ROD DAQ • 90 to 128 RODs for high trigger and high pileup • Run smoothly • Monitor and mitigate/recover from potential errors • Calibration ID week – May 2014 – Bruce Gallop

  3. Barrel fibres remapping • Remap Txs to RODs to even out load • Installed in crates • Cross check mappings using PIN currents • Bad pin in crate 3 (previously unused) • Replace crate • Minimal movement (keep tower mapping) • Mapping to ROS is flexible • Originally proposed 3 ROSs per half (11 per ROS) • Could use ROD crate -> ROS (16 per ROS) ID week – May 2014 – Bruce Gallop

  4. Endcap fibre mappings • Barrel was straight forward • 4 barrels -> 4 different link occupancies • Endcap more difficult • Wide variety of types with different occupancies • ROS gen-III • 16 rather than 12 links per PC • Keep current ROD crate to ROS mapping • Don’t have to force quadrants into thirds • Keep quadrants in half crates ID week – May 2014 – Bruce Gallop

  5. Predicted ROD data rates 14.4 words per module = limit for 90% occupancy at 100kHz ID week – May 2014 – Bruce Gallop

  6. “External” Software • SLC5 to SLC6 migration • Complete in Point1 • Nearly there in SR1 (“mon” machines this week) • Also web server and DB server • tdaq-05-03-00 • Stricter run control state machine • Barriers -> sub-states • Fixes due to java, new gcc etc. • Mixed 32/64bit (SBCs can only be 32bit) • Will C++11 gain us anything? ID week – May 2014 – Bruce Gallop

  7. Hardware • New Tx plugins • Install in one crate initially • Addition to software for new firmware • FPGA FE simulator • Off-the-shelf FPGA dev board • Connect to ROD via passive mezzanine • Pretend to be 48 modules in beam conditions • Cross-check of updated ROD firmware ID week – May 2014 – Bruce Gallop

  8. Module recovery • Protection against SEUs • If error from module, resend configuration • Every ½ hour send configuration to all modules • Currently done by GUI, which won’t be needed • New process proposed to do this • Also tidy up interaction with ECR ID week – May 2014 – Bruce Gallop

  9. Configuration • ATLAS Conditions move to new COOL instance • This is where we store DAQ configuration • CoraCool • Now an integrated alternative • COOL vector payload • Take opportunity to change schema • Preliminary version done • Decide whether to make further improvements • Database normalisation ID week – May 2014 – Bruce Gallop

  10. Training • Common ID shifts • Need to do everything from previous SCT shifts ++ • With shorter training • Continue to streamline user interface • Predict what problems might occur • Having representative system in SR1 useful • Physics mode running is difficult to simulate ID week – May 2014 – Bruce Gallop

  11. Summary • Good progress • New RODs and BOCs • Draft of new configuration schema • Fibre mappings • Still plenty to do • Module recovery • ROD online monitoring • Calibration updates • Streamlining ID week – May 2014 – Bruce Gallop

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