Two 60% reviews down, one more to go: preparing for the March 10/11 review Marco Verzocchi Fermilab 10 February 2020
Preliminary Design Reviews • Internal DUNE reviews (i.e. not required by funding agencies or LBNC) to monitor the progress of the project • Review charge and review team decided by review committee (P. Farthouat, S. Kettel, S. Zeller) • We had a review of the mechanical aspects in February 2019 (see agenda in Indico, final report) • We had a review of the ASICs and the FEMBs for DUNE last week at CERN (see agenda in Indico) - Preliminary report available to TPC electronics management and selected participants, final report will become available by the end of the month - The committee investigated very extensively our designs, made a lot of comments, number and quality of questions somehow reflects how advanced the various designs are - The committee thinks we will be able to submit next round of ASIC prototypes by June 2 10 Feb 2020 M. Verzocchi | Preparing for the March 10/11 review
The next review • We will have the third (and final) preliminary design review at Brookhaven on March 10 and 11 - Topics to be discussed: Warm Interface Electronics Crate and system aspects - Expect to have a full day of presentations on Tuesday 10 March, with possibly another 2-3 hours of presentations and question and answers on Wednesday 11 March - We will have the closeout in the afternoon of Wednesday 11, but review participants should not plan on leaving before 5:30pm • This may make it difficult to fly back to Chicago on Wednesday - Last flights from LGA: UA @ 9pm, AA @10pm, DL @ 7:45pm - Participants (reviewers) who are not BNL users need to start the paperwork to access BNL as soon as possible 3 10 Feb 2020 M. Verzocchi | Preparing for the March 10/11 review
Topics under review (i) • Grounding scheme - Need writeup of grounding rules and need diagram demonstrating that we are respecting the grounding rules, discuss experience from ProtoDUNE • Input from Hucheng Chen, Bo Yu, Linda Bagby, Terri Shaw • Documentation: grounding rules, diagram of grounding connections • Warm interface electronics crate introduction - Purposes, constraints from grounding, discuss also the CE flange design and the filter cards for bias voltages • Input from Hucheng Chen, Bo Yu, Matt Worcester • Documentation: schematics, bill of material, and Gerber file for the filter card, mechanical design of the CE flange, schematics, bill of material and Gerber file for the PCB attached to the CE flange 4 10 Feb 2020 M. Verzocchi | Preparing for the March 10/11 review
Topics under review (ii) • Experience with the WIEC, WIB, and PTC in ProtoDUNE - Includes hardware, firmware, and software • Input from Matt Worcester, Jack Fried, Maura Spany, Jake Calcutt, Martin Tzanov, David Rivera • Documentation: description of functionality of current firmware and software; block diagram, schematics, bill of materials, and Gerber files for the ProtoDUNE WIB, PTC, and PTB • Intermediate WIB prototype hardware - Discuss motivation for changes from ProtoDUNE design, describe design and functionality tests performed so far • Input from Jack Fried, Hucheng Chen • Documentation: block diagram, schematics, bill of materials, and Gerber files for the intermediate WIB 5 10 Feb 2020 M. Verzocchi | Preparing for the March 10/11 review
Topics under review (iii) • Intermediate WIB prototype firmware and software - Present development plan for the firmware and the software required for using the intermediate WIB prototype for system tests of the new FEMBs with ColdADC/COLDATA or CRYO • Contributors: Josh Klein, Vladimir Tischchenko • Documentation: firmware requirements document, interface document with DAQ consortium • DUNE WIB hardware requirements - Present the additional changes that are required for the final WIB for DUNE • Input from Vladimir Tischchenko, Hucheng Chen, Jack Fried, Marco Verzocchi • Documentation: hardware requirement document 6 10 Feb 2020 M. Verzocchi | Preparing for the March 10/11 review
Topics under review (iv) • DUNE WIB firmware and software requirements - Present development plan for the additional firmware and software requirements that are needed in the longer term (second Run of ProtoDUNE, system test stands, DUNE) • Contributors: Josh Klein, Vladimir Tischchenko • Documentation: firmware requirements document, interface document with DAQ consortium • DUNE WIB firmware architecture and development plans - Discuss how the WIB firmware should be organized to allow for firmware development at multiple sites (firmware blocks, interfaces) • Input from ?? • Documentation: ?? 7 10 Feb 2020 M. Verzocchi | Preparing for the March 10/11 review
Topics under review (v) • Design of the bias voltage and low voltage power supply plant and of the cable plant - Present the design of the cable and supplies plants, discussing multiple options if needed • Contributors: Marco Verzocchi, Hucheng Chen, Linda Bagby, Shekhar Mishra • Documentation: diagram of the cable plant, including detailed list of all the connections (also for fibers), description of individual cables • Interfaces to slow controls and interlocks - Present a preliminary plan for how slow controls and interlocks could be impletemented, inclusing a discussion of the constraints on the system design • Input from Marco Verzocchi, Linda Bagby, Shekhar Mishra • Documentation: list of quantities to be monitored and controlled, list of channels requiring hardware interlocks, impact on design from the plans for interlocks, interface documents with the DAQ and with LBNF 8 10 Feb 2020 M. Verzocchi | Preparing for the March 10/11 review
Topics under review (vi) • Timeline for completing the design, production planning, and quality controls - Present timeline for the completion of the design, in view of the constraints from the second run of ProtoDUNE, discuss plans for production and quality control • Evolution of the PTC design - Discuss need for PTC design changes including addition of a FPGA to form hardware interlock signals, reduce the number of connections between the slow control system and the TPC electronics while increasing the number of environmental variables that are being monitored. Discuss the impact on the design of the WIB (addition of a communication path between WIBs and PTC) • Is there anything else missing ? 9 10 Feb 2020 M. Verzocchi | Preparing for the March 10/11 review
Additional details • Charge letter available in DocDB-17508 • Review committee has been formed (chair is P. Farthouat, members Giovanna Lehman, David Cussans, Jamieson Olsen, John Parsons, +TBA) • Agenda will be posted next week • I will start contacting speakers and other people to provide documentation for the review starting this evening • Would like to have complete documentation in EDMS and all presentations available for internal review by March 2, needs to be finalized by March 5 10 10 Feb 2020 M. Verzocchi | Preparing for the March 10/11 review
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