Planet Finder Spectrograph
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PFS electronics are controlled by a PLC mounted inside an enclosure attached to the instrument cart.

Schematics: Supporting documents:
  • PFS-TerminalBlocks.xls gives information about the wiring connected to all of the PFS terminal blocks and PLC.
  • PFS-WireWrapBoard1.xls describes the wiring to the connectors and individual pins on wire wrap board #1.
  • PFS-Cables.xls describes some (not all) of the cables and connectors.
  • J4pinout.pdf and J5pinout.pdf give the pinouts for two of the round connectors that hang below the pre-slit assembly.
  • PowerSupplyModNotes.pdf contains notes, calculations, and the instructions that were followed to modify the two linear DC power supplies to make them variable and controllable by a 5VDC signal.
Manuals and spec sheets for many of the electronic components in PFS can be found in this directory.

Manuals and spec sheets for the PLC and its modules can be found in this directory or through the AutomationDirect website.

Last modified: 02 August 2018 10:33:24 am.