private void BGWConn_DoWork(object sender, DoWorkEventArgs e)
{
//GetData(true);
opcServer = new OPCServer();
WriteLog.GetLog().Write("正在尝试连接服务器......");
string[] str = opcServer.Connection();
if (string.IsNullOrWhiteSpace(str[0]))
{
opcServer.OnlyTaskGroup.addItem(PlcItemCollection.GetOnlyUnnormalItem()); //任务交互区
opcServer.SpyBiaozhiGroup.addItem(PlcItemCollection.GetSpanUnnormalItem()); //监控任务标识位
opcServer.FinishOnlyGroup.addItem(PlcItemCollection.GetFinishUnnormalItem()); //完成信号交互区;
WriteLog.GetLog().Write("opC服务器创成功！");
opcServer.ConnectState = opcServer.CheckConnection();
if (opcServer.ConnectState)
{
GetData();
opcServer.SpyBiaozhiGroup.callback = OnDataChange;
opcServer.FinishOnlyGroup.callback = OnDataChange;
WriteLog.GetLog().Write("PLC连接成功!");
WriteLog.GetLog().Write("触发定时器");
if (opcServer.SpyBiaozhiGroup.Read(0).ToString() != "1" && !opcServer.IsSendOn)//监控标志位第一组 产生跳变
{
opcServer.IsSendOn = true;
opcServer.SpyBiaozhiGroup.Write(2, 0);
opcServer.SpyBiaozhiGroup.Write(0, 0);
ReadFinish();
opcServer.IsSendOn = false;
WriteLog.GetLog().Write("发送任务");
}
else
{
WriteLog.GetLog().Write("强制跳变失败");
}
}
else
{
WriteLog.GetLog().Write("PLC连接失败!");
databaselinkcheck("plc连接失败");
TSender.Stop();
TRefresh.Stop();
}
}
else
{
TSender.Stop();
TRefresh.Stop();
databaselinkcheck("plc连接失败");
WriteLog.GetLog().Write(str[0]);
}
}
public void databaselinkcheck(string str)
{
if (lblpack.InvokeRequired)
{
lblpack.Invoke(new HandleDelegate(databaselinkcheck), str);
}
else
{
lblpack.Text = str;//;
lblpack.Location = new Point(0, 10);
lblpack.Width = 750;
lblpack.BackColor = Color.Red;
BtnSeq.Enabled = false;
//BtnSearch.Enabled = false;
BtnRefresh.Enabled = false;
TRefresh.Stop();
}
}