/// <summary>
/// 读取数据块内容
/// </summary>
/// <param name="dbType">数据块类别标识</param>
/// <param name="dbNumber">DB数据块编号</param>
/// <param name="dbOffset">读取的起始偏移量</param>
/// <param name="bufferLength">缓冲区长度</param>
/// <param name="buffer">byte[]类型的缓冲区</param>
/// <param name="errText">执行结果信息</param>
public int ReadBlock(
SiemensRegisterType dbType,
int dbNumber,
int dbOffset,
int bufferLength,
ref byte[] buffer,
out string errText)
{
if (!isConnected)
{
isConnected = Connect();
}
buffer = new byte[bufferLength];
int resNo = 0;
lock (_lockObjet)
{
resNo =
CS7TcpClient.ReadBlockAsByte(
plcHandle,
(int)dbType,
dbNumber,
dbOffset,
bufferLength,
buffer);
}
if (resNo != 0)
{
errText = GetErrorMessage(resNo);
_log.Error(
$"PLC:[{IPAddress}]读取[{dbType}]" +
$"[{dbNumber}]失败，失败信息：" +
$"[Code:{resNo},Message:{errText}");
}
else
{
errText = "读取正常";
}
return(resNo);
}
/// <summary>
/// 读取数据块内容
/// </summary>
/// <param name="dbType">数据块类别标识</param>
/// <param name="dbNumber">DB数据块编号</param>
/// <param name="dbOffset">读取的起始偏移量</param>
/// <param name="bufferLength">缓冲区长度</param>
/// <param name="buffer">byte[]类型的缓冲区</param>
/// <param name="errText">执行结果信息</param>
public int ReadBlock(
SiemensRegisterType dbType,
int dbNumber,
int dbOffset,
int bufferLength,
ref byte[] buffer,
out string errText)
{
if (!isConnected)
{
isConnected = Connect();
}
buffer = new byte[bufferLength];
OperateResult <byte[]> resNo;
lock (_lockObjet)
{
string addr = $"{dbType.ToString()}{dbNumber}.{dbOffset}";
resNo =
siemensTcpNet.Read(
addr,
(ushort)bufferLength);
}
if (!resNo.IsSuccess)
{
errText = resNo.ToMessageShowString();
_log.Error(
$"PLC:[{IPAddress}]读取[{dbType}]" +
$"[{dbNumber}]失败，失败信息：" +
$"[Message:{errText}");
}
else
{
buffer = resNo.Content;
errText = "读取正常";
}
return(resNo.ErrorCode);
}
/// <summary>
/// 读取Float值
/// </summary>
/// <param name="dbType">数据块类别标识</param>
/// <param name="dbNumber">DB数据块编号</param>
/// <param name="dbOffset">读取的起始偏移量</param>
/// <param name="value">float类型的值</param>
/// <param name="errText">执行结果信息</param>
public int ReadFloat(
SiemensRegisterType dbType,
int dbNumber,
int dbOffset,
ref float value,
out string errText)
{
if (!isConnected)
{
isConnected = Connect();
}
OperateResult <float> resNo;
lock (_lockObjet)
{
string addr = $"{dbType.ToString()}{dbNumber}.{dbOffset}";
resNo = siemensTcpNet.ReadFloat(addr);
}
if (!resNo.IsSuccess)
{
errText = resNo.ToMessageShowString();
_log.Error(
$"PLC:[{IPAddress}]读取[{dbType}]" +
$"[{dbNumber}]失败，失败信息：" +
$"[Message:{errText}");
}
else
{
value = resNo.Content;
errText = "读取正常";
}
return(resNo.ErrorCode);
}
/// <summary>
/// 将值回写到PLC中
/// </summary>
/// <param name="dbType">数据块类别</param>
/// <param name="dbNumber">DB数据块编号</param>
/// <param name="tag">西门子Tag对象</param>
public void WriteToPLC(
SiemensRegisterType dbType,
int dbNumber,
SiemensTag tag)
{
if (!isConnected)
{
isConnected = Connect();
}
int rlt = 0;
try
{
lock (_lockObjet)
{
if (tag is SiemensBoolOfTag)
{
SiemensBoolOfTag ltag = tag as SiemensBoolOfTag;
rlt = CS7TcpClient.WriteBool(
plcHandle,
(int)dbType,
dbNumber,
ltag.DB_Offset,
ltag.Position,
ltag.Value);
if (!ltag.Name.Contains("MES_Heart_Beat"))
{
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]，待写入:[{ltag.Value}]");
}
}
else if (tag is SiemensByteOfTag)
{
SiemensByteOfTag ltag = tag as SiemensByteOfTag;
rlt = CS7TcpClient.WriteByte(
plcHandle,
(int)dbType,
dbNumber,
ltag.DB_Offset,
ltag.Value);
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]，待写入:[{ltag.Value}]");
}
else if (tag is SiemensWordOfTag)
{
SiemensWordOfTag ltag = tag as SiemensWordOfTag;
rlt = CS7TcpClient.WriteWord(
plcHandle,
(int)dbType,
dbNumber,
ltag.DB_Offset,
ltag.Value);
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]，待写入:[{ltag.Value}]");
}
else if (tag is SiemensIntOfTag)
{
SiemensIntOfTag ltag = tag as SiemensIntOfTag;
rlt = CS7TcpClient.WriteInt(
plcHandle,
(int)dbType,
dbNumber,
ltag.DB_Offset,
ltag.Value);
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]，待写入:[{ltag.Value}]");
}
else if (tag is SiemensDWordOfTag)
{
SiemensDWordOfTag ltag = tag as SiemensDWordOfTag;
rlt = CS7TcpClient.WriteDWord(
plcHandle,
(int)dbType,
dbNumber,
ltag.DB_Offset,
ltag.Value);
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]，待写入:[{ltag.Value}]");
}
else if (tag is SiemensRealOfTag)
{
SiemensRealOfTag ltag = tag as SiemensRealOfTag;
rlt = CS7TcpClient.WriteFloat(
plcHandle,
(int)dbType,
dbNumber,
ltag.DB_Offset,
ltag.Value);
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]，待写入:[{ltag.Value}]");
}
else if (tag is SiemensArrayCharOfTag)
{
SiemensArrayCharOfTag ltag = tag as SiemensArrayCharOfTag;
rlt = CS7TcpClient.WriteString(
plcHandle,
(int)dbType,
dbNumber,
ltag.DB_Offset,
ltag.Length,
Encoding.ASCII.GetBytes(ltag.Value));
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]，待写入:[{ltag.Value}]");
}
}
}
catch (Exception error)
{
throw new Exception(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]写入时发生错误，{error.Message}");
}
if (rlt != 0)
{
throw new Exception(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]写入失败，错误提示:[{rlt}]" +
$"[{GetErrorMessage(rlt)}]");
}
}
/// <summary>
/// 将值回写到PLC中
/// </summary>
/// <param name="dbType">数据块类别</param>
/// <param name="dbNumber">DB数据块编号</param>
/// <param name="tag">西门子Tag对象</param>
public void WriteToPLC(
SiemensRegisterType dbType,
int dbNumber,
SiemensTag tag)
{
if (!isConnected)
{
isConnected = Connect();
}
OperateResult rlt = new OperateResult();
try
{
lock (_lockObjet)
{
string address =
$"{dbType.ToString()}{dbNumber}.{tag.DB_Offset}";
if (tag is SiemensBoolOfTag)
{
SiemensBoolOfTag ltag = tag as SiemensBoolOfTag;
if (!ltag.Name.Contains("MES_Heart_Beat"))
{
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]Type[Bool]，写入:[{ltag.Value}]");
}
address += $".{ltag.Position}";
rlt = siemensTcpNet.Write(address, ltag.Value);
}
else if (tag is SiemensByteOfTag)
{
SiemensByteOfTag ltag = tag as SiemensByteOfTag;
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]Type[Byte]，写入:[{ltag.Value}]");
rlt = siemensTcpNet.Write(address, ltag.Value);
}
else if (tag is SiemensWordOfTag)
{
SiemensWordOfTag ltag = tag as SiemensWordOfTag;
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]Type[Word]，写入:[{ltag.Value}]");
rlt = siemensTcpNet.Write(address, ltag.Value);
}
else if (tag is SiemensIntOfTag)
{
SiemensIntOfTag ltag = tag as SiemensIntOfTag;
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]Type[Int]，写入:[{ltag.Value}]");
rlt = siemensTcpNet.Write(address, ltag.Value);
}
else if (tag is SiemensDWordOfTag)
{
SiemensDWordOfTag ltag = tag as SiemensDWordOfTag;
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]Type[DWord]，写入:[{ltag.Value}]");
rlt = siemensTcpNet.Write(address, ltag.Value);
}
else if (tag is SiemensRealOfTag)
{
SiemensRealOfTag ltag = tag as SiemensRealOfTag;
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]Type[Real]，写入:[{ltag.Value}]");
rlt = siemensTcpNet.Write(address, ltag.Value);
}
else if (tag is SiemensArrayCharOfTag)
{
SiemensArrayCharOfTag ltag = tag as SiemensArrayCharOfTag;
_log.Debug(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]Type[ArrayChar]，写入:[{ltag.Value}]");
rlt =
siemensTcpNet.Write(
address,
Encoding.ASCII.GetBytes(ltag.Value));
}
}
}
catch (Exception error)
{
throw new Exception(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]写入时发生错误，{error.Message}" +
$"Value[{tag.Value.ToString()}]");
}
if (rlt.ErrorCode != 0)
{
throw new Exception(
$"PLC:[{IPAddress}]:数据块[{dbNumber}]:Tag[{tag.Name}]:" +
$"Offset:[{tag.DB_Offset}]写入失败，错误提示:[{rlt.ErrorCode}]" +
$"[{rlt.Message}]");
}
}
