public bool ReconnectPlc()
{
Stopwatch sw = new Stopwatch();
sw.Start();
while (true)
{
// 等待5s的重连
if (sw.Elapsed > TimeSpan.FromSeconds(5))
{
break;
}
int result = _s7Client.ConnectTo(PlcIPAddress, Rack, Slot);
Thread.Sleep(50);
if (result == 0)
{
ReconnectEvent?.Invoke(this, null);
_isConnected = true;
break;
}
Thread.Sleep(800);
}
sw.Stop();
if (_isConnected)
{
_hbTimer.Start();
}
return(_isConnected);
}
private void InitPlcConnect(object state)
{
CancellationToken token = (CancellationToken)state;
int result = _s7Client.ConnectTo(PlcIPAddress, Rack, Slot);
Thread.Sleep(10); // 很小的复位时间
while (true)
{
if (token.IsCancellationRequested)
{
break;
}
if (result == 0 /* && _s7Client.Connected()*/)
{
_initEvent.Set();
ReconnectEvent?.Invoke(this, null);
_isConnected = true;
_initPlcConnect = true;
break;
}
Thread.Sleep(2000); // 等待2s延时连接
result = _s7Client.Connect();
Thread.Sleep(10);
}
}
