namespace PlcSiemens.Protocol.ReadData { public class ReadItemRequest { public byte[] ItemHead { get; set; }//³€ΆΘ3 public byte TransportSize { get; set; } public ushort Length { get; set; } public ushort DB { get; set; } public byte Area { get; set; } public byte[] Address { get; set; }//³€ΆΘ3 public byte PacketLength { get { return 0x0C; } } public ReadItemRequest() { ItemHead = new byte[3]; Address = new byte[3]; } } }