compareVars :=
  {
    "ramUp.u",
    "ramUp.y",
    "ramUp1.y",
    "ramUp.active",
    "ramUpDow.u",
    "ramUpDow.y",
    "ramUpDow.active",
    "ramUpDow1.u",
    "ramUpDow1.y",
    "ramUpDow1.active"
  };
