‘ePlan’ generally refers to EPLAN Electric P8, a tool to design and draw electrical diagrams. It can also create BOMs and reports automatically from the schematics.
DKIST currently uses version 2.7.
Vendor drawings for the Enclosure and Telescope Mount Assembly (including Coudé) were originally drawn in ePlan.
Installation
Installation files are in the ePlan Dropbox folder.
A dongle with license is required to run the program.
DKIST has two perpetual licenses.