OPENMODBUS.Vpu
 RETDIAL : Integer;
SERIAL.Vpu
 TDCB = Record
  DCBLENGTH : Integer;
  BAUDRATE : Integer;
  FLAGS : Integer;
  WRESERVED : Word;
  XONLIM : Word;
  XOFFLIM : Word;
  BYTESIZE : Byte;
  PARITY : Byte;
  STOPBITS : Byte;
  XONCHAR : Byte;
  XOFFCHAR : Byte;
  ERRORCHAR : Byte;
  EOFCHAR : Byte;
  EVTCHAR : Byte;
  WRESERVED1 : Word;
SYSPLC.Vpu
 TDATETIME : Double;
 POINTER : Integer;
 TARRAYSTR : Array [1..10] Of String;
 TARRAYINT : Array [1..10] Of Integer;
 TARRAYWORD : Array [1..10] Of Word;
 TARRAYBYTE : Array [1..10] Of Byte;
 TARRAYBOOL : Array [1..10] Of Boolean;
 TARRAYREAL : Array [1..10] Of Real;
 TARRAYDOUBLE : Array [0..10] Of Double;
 TARRAYSINGLE : Array [0..10] Of Single;
 TPROCEDURE : Integer;
 LONGWORD : Integer;
 PVARIANT : Integer;
 TEXT = Record
  HANDLE : Integer;
  MODE : Integer;
  BUFSIZE : Integer;
  BUFPOS : Integer;
  BUFEND : Integer;
  BUFPTR : Integer;
  OPENFUNC : Integer;
  INOUTFUNC : Integer;
  FLUSHFUNC : Integer;
  CLOSEFUNC : Integer;
  USERDATA : Array [0..31] Of Byte;
  FILENAME : Array [0..259] Of Byte;
  BUFFER : Array [0..127] Of Byte;
