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guides:homemade:rr2commutator [2013/03/20 12:49]
mvdm created
guides:homemade:rr2commutator [2018/07/07 10:19] (current)
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-Commutator has 12 channels. For two headstageswe are only using channels 1-9these numbers refer to the numbers on the commutator in the schematic below (NOT to numbers on the D-sub pins)+The commutator is a 12-channelpassive slip-ring unit from Moog (SRA-73683-12{{:​guides:​homemade:​moog_sra-73683.pdf|datasheet}};​ there is a also a similar one called ​the AC6200-12 but this has more friction).
  
-{{:guides:​homemade:​amplipex_commutator_cable-2.jpg?​800 |}}+For two Amplipex headstages, we are only using channels 1-9; these numbers refer to the numbers on the //​commutator//​ in the schematic below (**NOT** to numbers on the D-sub pins):
  
-the corresponding colors on the commutator are+{{ :​guides:​homemade:​amplipex_commutator_cable-2.jpg?​800 |}} 
 + 
 +({{:​guides:​homemade:​amplipex_commutator_cable-1.pdf|pdf}} of above diagram, which came from Amplipex)\\ 
 + 
 +The corresponding ​wire colors on the commutator are:\\
  
 1 purple\\ 1 purple\\
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 Each D-sub connector is labeled either “1” (commutator data channels 1 and 2, purple and white/​brown) or “2” (commutator data channels 3 and 4, blue and white). Each D-sub connector is labeled either “1” (commutator data channels 1 and 2, purple and white/​brown) or “2” (commutator data channels 3 and 4, blue and white).
  
-On the Omnetics/​headstage side, as can be seen in the schematic, the two connectors have shared inputs. To accomplish this, 5 wires connect the relevant pins from one connector to the next. The colors for this are+On the Omnetics/​headstage side, as can be seen in the schematic, the two connectors have shared inputs. To accomplish this, 5 wires (scavenged from Cat5e ethernet cable) ​connect the relevant pins from one connector to the next. The colors for this are:
  
-^ channel number ^ color on commutator wire ^ color on “bridge” wire between connectors+^ channel number ^ color on commutator wire ^ color on “bridge” wire between connectors ​^
 |5 |green |green| |5 |green |green|
 |6 |brown |brown| |6 |brown |brown|
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 |9 |orange |orange| |9 |orange |orange|
  
-{{:​guides:​homemade:​amplipex_commutator1_wiring_mvdm.pdf|This ​file}} has my original notes on this when I was building it (MvdM). +{{:​guides:​homemade:​amplipex_commutator1_wiring_mvdm.pdf|This}} has my original ​(messy) working ​notes on this when I was building it (MvdM).
guides/homemade/rr2commutator.1363798149.txt.gz · Last modified: 2018/07/07 10:19 (external edit)