/// <summary>
/// 读取大块存储器
/// </summary>
/// <param name="DBNumber"></param>
/// <param name="start"></param>
/// <param name="size"></param>
/// <param name="buf"></param>
/// <returns></returns>
public bool ReadData(int DBNumber, int start, int size, byte[] buf)
{
lock (syncObj)
{
if (_s7Client.Connected())
{
int result = _s7Client.DBRead(DBNumber, start, size, buf);
PlcUILinker.Log($"ReadData DB{DBNumber} off{start}-Read", _s7Client.ErrorText(result));
Thread.Sleep(200); // 等待数据交换
if (result != 0)
{
Trace.Write("PLC 读取错误");
return(false);
}
}
}
return(true);
}
/// <summary>
/// 写入大块存储器
/// </summary>
/// <param name="dbNb"></param>
/// <param name="start"></param>
/// <param name="size"></param>
/// <param name="buf"></param>
/// <returns></returns>
public bool WriteData(int dbNb, int start, int size, byte[] buf)
{
lock (syncObj)
{
if (_s7Client.Connected())
{
int result = _s7Client.DBWrite(dbNb, start, size, buf);
PlcUILinker.Log($"WriteData DB{dbNb} off{start}-Write", _s7Client.ErrorText(result));
Thread.Sleep(200); // 等待数据交换
if (result != 0)
{
Trace.Write("PLC 写入错误");
return(false);
}
}
}
return(true);
}
public bool SetPartID(int clientId, string partId)
{
int result = 1;
byte[] buf = new byte[256];
S7.SetStringAt(buf, 0, 256, partId);
lock (syncObj)
{
if (_s7Client.Connected())
{
result = _s7Client.DBWrite(clientId, 0, 256, buf);
PlcUILinker.Log($"SetPartID DB{clientId} off0-256DBWrite", _s7Client.ErrorText(result));
if (result != 0)
{
return(false);
}
Thread.Sleep(200); // 等待数据交换
}
}
return(result == 0);
}
/// <summary>
/// 写PLC标志
/// </summary>
/// <param name="serverID">存储器号</param>
/// <param name="offset">标志位字节偏置</param>
/// <param name="value">设置或者复位</param>
/// <param name="pos">要设置的字节位位置</param>
/// <returns></returns>
private bool WritePlcFlags(int serverID, int offset, bool value, params int[] pos)
{
lock (syncObj)
{
byte[] buf = new byte[1];
int result = _s7Client.DBRead(serverID, offset, 1, buf);
PlcUILinker.Log($"WritePlcFlags DB{serverID} off{offset}-Read", _s7Client.ErrorText(result));
Thread.Sleep(100);
if (result != 0)
{
return(false);
}
foreach (int index in pos)
{
S7.SetBitAt(ref buf, 0, index, value);
}
result = _s7Client.DBWrite(serverID, offset, 1, buf);
PlcUILinker.Log($"WritePlcFlags DB{serverID} off{offset}-Write", _s7Client.ErrorText(result));
Thread.Sleep(100);
//Debug.Assert(result == 0);
return(result == 0);
}
}