/// <summary>
/// 写OMLON PLC地址数据
/// </summary>
/// <param name="cmdData">生成的命令</param>
/// <param name="byPlcDot">plc 节点</param>
/// <param name="byLocalDot">本机 节点</param>
/// <param name="index">地址的 数据区 例如：D600</param>
/// <param name="WriteNumber">个数</param>
/// <param name="writeValue">需要写入的数据</param>
/// <param name="addressType">地址 plc D区:0x82 plc H区:0xB2</param>
/// <returns></returns>
public static int CmdOmlonWriteData(byte[] cmdData,
byte byPlcDot,
byte byLocalDot,
int index,
int WriteNumber,
byte[] writeValue,
OMLONADDRESS addressType)
{
int commandLength = 0;
cmdData[0] = 0x80;
cmdData[1] = 0x00;
cmdData[2] = 0x02;
cmdData[3] = 0x00; //PLC网络号
cmdData[4] = byPlcDot; //PLC节点号
cmdData[5] = 0x00; //PLC单元号
cmdData[6] = 0x00; //上位机网络号
cmdData[7] = byLocalDot; //上位机节点号
cmdData[8] = 0x00;
cmdData[9] = 0x03; //SID
cmdData[10] = 0x01; //写命令
cmdData[11] = 0x02; //写命令
cmdData[12] = (byte)addressType;
cmdData[13] = (byte)(index / 256); //起始地址
cmdData[14] = (byte)(index % 256); //起始地址
cmdData[15] = 0x00;
cmdData[16] = (byte)(WriteNumber / 256); //写的个数
cmdData[17] = (byte)(WriteNumber % 256); //写的个数
for (int n = 0; n < WriteNumber * 2; n++)
{
cmdData[18 + n] = writeValue[n];
}
commandLength = 18 + 2 * WriteNumber;
return(commandLength);
}
/// <summary>
/// 生成读取命令
/// </summary>
/// <param name="byPlcDot">plc节点号</param>
/// <param name="byLocalDot">本机节点号</param>
/// <param name="index">读的地址的 数据区 例如：D600</param>
/// <param name="WordNumber">读取的 数据的个数 15 表示 D600-D615</param>
/// <param name="addressType">读取的地址 plc D区:0x82 plc H区:0xB2</param>
/// <returns>生成的命令</returns>
public static byte[] CmdOmlonReadData(byte byPlcDot,
byte byLocalDot,
int index,
int WordNumber,
OMLONADDRESS addressType)
{
byte[] cmdData = new byte[32];
cmdData[0] = 0x80;
cmdData[1] = 0x00;
cmdData[2] = 0x02;
cmdData[3] = 0x00; //PLC网络号
cmdData[4] = byPlcDot; //PLC节点号
cmdData[5] = 0x00; //PLC单元号
cmdData[6] = 0x00; //上位机网络号
cmdData[7] = byLocalDot; //上位机节点号
cmdData[8] = 0x00;
cmdData[9] = 0x03; //SID
cmdData[10] = 0x01; //读命令
cmdData[11] = 0x01; //读命令
cmdData[12] = (byte)addressType;
cmdData[13] = (byte)(index / 256); //起始地址
cmdData[14] = (byte)(index % 256); //起始地址
cmdData[15] = 0x00;
cmdData[16] = (byte)(WordNumber / 256); //读取字数
cmdData[17] = (byte)(WordNumber % 256); //读取字数
return(cmdData);
}
