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Safety Board PCB Review (Rev D)

Safety Board PCB Review (Rev D). Eric Warmbier. Overview . Board is in use and well established, so the functional details will be skipped. Safety Board needs a new layout Current board has errors in design Modified via wire and additional components to this point

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Safety Board PCB Review (Rev D)

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  1. Safety Board PCB Review(Rev D) Eric Warmbier Safety Board Review (Rev D)

  2. Overview • Board is in use and well established, so the functional details will be skipped. • Safety Board needs a new layout • Current board has errors in design • Modified via wire and additional components to this point • Grounding / noise issues cause inadvertent (and annoying) watchdog errors • Goal is to mainly look for errors in circuits on schematics and that all new features were added • Darryl and Eric will be responsible for looking over signals and off board connections. Safety Board Review (Rev D)

  3. Documentation: Files & Format • There are 3 documents required for this review • “TCS3-2070_Safety_Board_Schematics_Rev_C” • Original Rev B with hand wired modifications = Rev C • “TCS3-2070_Safety_Board_Schematics_Rev_D” • New schematics for this review • “Safety_Board_Rev_D_mathcad.pdf” • Equations explaining/documenting why value Safety Board Review (Rev D)

  4. Issues & Resolution Safety Board Review (Rev D)

  5. Added Features Safety Board Review (Rev D)

  6. Mechanical Mounting • General concept – not to scale or precisely drawn Optional Cover (top view) Bottom Mounting Plate (top view) (bare copper) PCB (top view) Stack up (side view) (bare copper) Safety Board Review (Rev D)

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