#   open rand beschrijving :
      B : OPEN 1, BTYPE='wl      ', BDEF='Series ', REFL=   0.0
      B : OPEN 2, BTYPE='wl      ', BDEF='Series ', REFL=   0.0
      B : OPEN 3, BTYPE='disch-ad', BDEF='Series ', REFL=   0.0, SAME
      B : OPEN 4, BTYPE='disch-ad', BDEF='Series ', REFL=   0.0, SAME
      B : OPEN 5, BTYPE='disch-ad', BDEF='Series ', REFL=   0.0, SAME