v3.0.1: 3-stage addition to RTDSK0
hardware changes on RTDSK0 panel, 3x EL7041 swapped for old EL7041-1000 on RTDSK0 dinn rail.
Added EL1004 to ST1K4 rail for flow switch input
hard-coded limit switch override for broken SL1K0 limit switch, lower limit, south motor, until it can be further investigated in winter down-time.