record(calcout, "$(PREF)AC:$(RING):intensity:calc") {
  field(DESC, "AC $(RING) intensity CALC")
  field(SCAN, "Passive")
  field(CALC, "A+B")
  field(INPA, "$(PREF)AC:$(RING):intensity:x CPP")
  field(INPB, "$(PREF)AC:$(RING):intensity:y CPP")
  field(OUT, "$(PREF)AC:$(RING):intensity PP") 
  field(OOPT, "Every Time")
  field(DOPT, "Use CALC")
  field(OCAL, "1")
}

record(ai, "$(PREF)AC:$(RING):intensity") {
  field(DESC, "AC $(RING)-intensity")
  field(SCAN, "Passive")
  field(PREC, "3" )
  field(EGU , "V")
}

record(ai, "$(PREF)AC:$(RING):min_current") {
  field(DESC, "AC $(RING)-min current")
  field(SCAN, "Passive")
  field(PREC, "1" )
  field(EGU , "nA")
  field(PINI, "YES")
  field(VAL , 5 )
  field(INP , "$(PREF)AC:min_current CPP" )
}