Latest Developments in PD Connector Plate Design for Consortium Projects
This collection showcases the evolution and advancement in PD connector plate design, focusing on attachments for readout cables, passing cables through 32mm holes, installation tests, new concepts like Molex connectors, and soldered-on connector boards. The proposed designs aim to meet current/voltage requirements in the industry. Key features include the ability to fit through APA rib holes, support signal transmission lines, and allow easy installation into lower APAs.
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Presentation Transcript
Revised PD Connector Plate D. Warner for PD Consortium 8/27/2020
Baseline design Baseline design attaches readout cable wires to connector board using screw terminals and crimp lugs M3 screw/lug connectors
Cables/soldered PCBs must pass through 32mm holes Baseline design This design is is necessary to fit PD cables through APA rib holes on lower APA Allows cable connection to PCB in-situ From PDR Comments:
Current Status PSL cable installation tests show that installing cables connected to PD rail sets is not overly problematic Allows us to consider soldering signal transmission lines to connector plates We still require a technique to allow us to install into lower APA Upper-lower PD cable harness requires soldered PCBs fit through 32mm holes in APA ribs
New Concept (i) Molex connector attached to cable end at PD connector plate Note-- layout may need slight re-design To avoid PD rail support angles Surface mount connector
Proposed Connector Molex connector PC industry standard Meets current/voltage requirements Latching connector Widely used in balloon flight experiments
New Concept (ii) New soldered- on connector boards can pass through APA rib 2 per connector plate Pads for soldering PD cable wires (through-hole) Strain relief (not shown) used to Support soldered wires on PCB NOTE: Plates must be aligned during Installation using simple jig
Installation Test Photos Simple dummy test boards have been demonstrated to fit through APA rib holes in worst case Second bay from top in lower APA 3 PD cables in place before installation
Status/Schedule Beginning discussions with APA group regarding installation plan Planning layout and testing of PCBs (both options) New design PCBs will likely be available for second mechanical cold test at PSL in September (both options) Signal transmission tests in Italy/CSU in late September and early October Decision about inclusion in first test APA in mid-October