https://atmoswiki.azurewebsites.net/ 2026-04-19T19:44:36+00:00 https://atmoswiki.azurewebsites.net/ https://atmoswiki.azurewebsites.net/lib/exe/fetch.php?media=wiki:favicon.ico text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:pcasp:home&rev=1580318748&do=diff PCASP * Description: Passive Cavity Aerosol Spectrometer Probe * Operating Range: 0.1 - 3.0 microns * Model Number: PCASP-100X * Serial Number: 30013-1191-11 * Interface Address: 0x0700 * UND Property ID#: 105537 * Current Location: Installed on left wing pylon on UND Citation (9/19/2014) - A. Neumann text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:pcasp:pcasp_problems_solutions&rev=1580318748&do=diff Problems and Solutions Problem The PCASP pump would not turn on while in the PMS can on the aircraft. Cause The 1D card was not able to switch the pump on through the M300. Solution Hard wire the pump to turn on when the probe turned on. The jumper wire went from the positive pump control to the the ground of a reference channel to complete the circuit. In N555DS the wire goes from the Left wing silver pylon on the cabin data box P2 and jumps between pins 20 & 17. The wiring diagram is now…