External Bus Monitor Revisions ---------------------- 8/09/2006 CS ---------------------- -Add 5W1 connector for seawater ground 1)bottom right edge of board -Add 1 pair of 400Vin to J4 -Change 400V and 48V pane nets on internal layers to allow for J4 change 1)old inner2&3 = 400_V1 & 400V_OUT, new = 400_V2 & 400V_OUT 2)old inner4&5 = 400_V2 & 400V_OUT, new = 400_V1 & 400V_OUT -reduced corners of internal planes, widened -Added testpoint labels -Bottom mount components to get 2xx nomenclature -Renumbered R's and C's on top layer -grouped part #'s for RC ladders -Add RC output filter to GF_MON ---------------------- 8/03/2006 CS ---------------------- -Group ground fault functionality on page 1 of schematic -Add RC ladder ground referencing page 2 -Resistors to 0805 package -Despiking cap's to 0805 package -Add 8W8 connector for 2 pair 48Vin and 1 pair 400Vin, (J4) -Add 5W5 connector for 2 pair 48Vout, (J6) -Add 8W8 connector for 4 pair 400Vout, (J5) -Linearize 48V and 400V flow across board -move to 6 layer board 1)48V and 400V nets have either FR4 or minimum of 225 mil separation -2 headers added for testpoint access when installed in chassis 1)digital control signals in, (J7) 2)analog monitoring signals out, (J8) -other testpoints to surface mount on edge of board -eliminate middle top and bottom mount holes, (room for connectors) -add middle left and right side mount holes