record(arr, "target1") {
  field(FTVL, "DOUBLE")
  field(NELM, "$(TNELM=$(NELM=))")
}
record(arr, "target2") {
  field(FTVL, "LONG")
  field(NELM, "$(TNELM=$(NELM=))")
}

record(arr, "source") {
  field(INP, "$(TARGET)")
  field(FTVL, "DOUBLE")
  field(NELM, "$(SNELM=$(NELM=))")
}