internal static bool PutBoolean(Plc client, int dbnum, string cycleCompletedLoc, bool val)
{
if (client == null)
{
Logger.WriteDebugLog("Client is null");
return(false);
}
try
{
if (client.IsAvailable)
{
if (!client.IsConnected)
{
ErrorCode er = client.Open();
if (er != ErrorCode.NoError)
{
Logger.WriteDebugLog("client open error");
}
}
if (client.IsConnected)
{
ErrorCode er = client.Write(string.Format("DB{0}.DBX{1}", dbnum, cycleCompletedLoc), val);
return(er == ErrorCode.NoError);
}
}
}
catch (Exception ex)
{
client.Close();
client.Dispose();
}
return(false);
}
public string Disconnect()
{
string status = null;
if (plc != null && plc.IsConnected)
{
plc.Close();
status = Status.Text("СТАТУС: Соединение разорвано.");
}
else
{
plc.Dispose();
status = Status.Text("СТАТУС: Ошибка разрыва соединения.");
}
return(status);
}
public bool Close()
{
bool result = false;
try
{
if (Plc != null)
{
Plc.Dispose();
}
result = true;
}
catch (Exception ex)
{
logger.Error($"ex={ex}");
}
Status = DriverStatus.Disconnected;
logger.Debug($"[{Status}] [{result}] Ip={Ip}, Port={Port}, ReceiveTimeout={ReceiveTimeout}");
return(result);
}
/// <summary>
/// 检测网络状态,断线重连
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timerPrint_Tick(object sender, EventArgs e)
{
if (IsNetConnected)
{
if (plc == null)
{
InitPlcService();
}
}
else
{
if (plc != null)
{
plc.Dispose();
plc = null;
OnDisplayLog("PLC[" + GlobalData.PlcIP + "]已断开连接……", false);
log.Info("PLC[" + GlobalData.PlcIP + "]已断开连接……");
}
}
}
public void funClose()
{
try
{
if (sPLC != null)
{
sPLC.Close();
sPLC.Dispose();
sPLC = null;
bolIsConnection = false;
InitSys.funWriteLog("SPLC_Trace", strIPAddress + "|Close!");
}
}
catch (Exception ex)
{
MethodBase methodBase = MethodBase.GetCurrentMethod();
InitSys.funWriteLog("Exception", methodBase.DeclaringType.FullName + "|" + methodBase.Name + "|" + ex.Message);
bolIsConnection = false;
}
}
private void Timer_Elapsed(object sender, ElapsedEventArgs e)
{
if (establishingConnection)
{
timer.Stop();
return;
}
timer.Stop();
this.mapVariables();
lock (plc)
{
short rack = plc.Rack, slot = plc.Slot;
string ip = plc.IP;
CpuType cpu = plc.CPU;
plc.Dispose();
plc = new Plc(cpu, ip, rack, slot);
this.OpenConnection();
}
timer.Start();
}
internal static float GetFloat(Plc client, int dbnum, string loc)
{
uint val = 0;
float ret = 0F;
if (client == null)
{
Logger.WriteDebugLog("Client is null");
return(ret);
}
try
{
if (client.IsAvailable)
{
if (!client.IsConnected)
{
ErrorCode er = client.Open();
if (er != ErrorCode.NoError)
{
Logger.WriteDebugLog("client open error");
}
}
if (client.IsConnected)
{
var data = client.Read(string.Format("DB{0}.DBD{1}", dbnum, loc));
val = (uint)data;
ret = BitConverter.ToSingle(BitConverter.GetBytes(val), 0);
}
}
}
catch (Exception ex)
{
Logger.WriteErrorLog(ex.ToString());
client.Close();
client.Dispose();
}
return(ret);
}
internal static string GetString(Plc client, int dbnum, string locCycle, int nBytes)
{
string val = "";
int location = int.Parse(locCycle) + 2;
if (client == null)
{
Logger.WriteDebugLog("Client is null");
return(val);
}
try
{
if (client.IsAvailable)
{
if (!client.IsConnected)
{
ErrorCode er = client.Open();
if (er != ErrorCode.NoError)
{
Logger.WriteDebugLog("client open error");
}
}
if (client.IsConnected)
{
var data = client.Read(DataType.DataBlock, dbnum, location, VarType.String, nBytes);
val = (string)data;
}
}
}
catch (Exception ex)
{
client.Close();
client.Dispose();
}
return(val);
}
internal static ushort GetWord(Plc client, int dbnum, string loc)
{
ushort val = 0;
if (client == null)
{
Logger.WriteDebugLog("Client is null");
return(val);
}
try
{
if (client.IsAvailable)
{
if (!client.IsConnected)
{
ErrorCode er = client.Open();
if (er != ErrorCode.NoError)
{
Logger.WriteDebugLog("client open error");
}
}
if (client.IsConnected)
{
var data = client.Read(string.Format("DB{0}.DBW{1}", dbnum, loc));
val = (ushort)data;
}
}
}
catch (Exception ex)
{
client.Close();
client.Dispose();
}
return(val);
}
internal static List <uint> GetDWords(Plc client, int dbnum, int startloc, int nValues)
{
List <UInt32> lst = new List <uint>();
if (client == null)
{
Logger.WriteDebugLog("Client is null");
return(lst);
}
try
{
if (client.IsAvailable)
{
if (!client.IsConnected)
{
ErrorCode er = client.Open();
if (er != ErrorCode.NoError)
{
Logger.WriteDebugLog("client open error");
}
}
if (client.IsConnected)
{
var data = client.Read(DataType.DataBlock, dbnum, startloc, VarType.DWord, nValues);
lst = ((uint[])data).ToList();
}
}
}
catch (Exception ex)
{
client.Close();
client.Dispose();
}
return(lst);
}
