guides:homemade:rr2commutator
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guides:homemade:rr2commutator [2013/03/20 12:55] mvdm |
guides:homemade:rr2commutator [2018/07/07 10:19] (current) |
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| The commutator is a 12-channel, passive 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). | The commutator is a 12-channel, passive 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). | ||
| - | Commutator has 12 channels. For two 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) | + | 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): |
| {{ :guides:homemade:amplipex_commutator_cable-2.jpg?800 |}} | {{ :guides:homemade:amplipex_commutator_cable-2.jpg?800 |}} | ||
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| ({{:guides:homemade:amplipex_commutator_cable-1.pdf|pdf}} of above diagram, which came from Amplipex)\\ | ({{:guides:homemade:amplipex_commutator_cable-1.pdf|pdf}} of above diagram, which came from Amplipex)\\ | ||
| - | the corresponding colors on the commutator are:\\ | + | 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 ^ | ||
guides/homemade/rr2commutator.1363798537.txt.gz · Last modified: 2018/07/07 10:19 (external edit)
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