public void ReadMultipleVars(Int64 plcId, List <DataItem> nodes)
{
if (PlcDic.ContainsKey(plcId))
{
var plc = PlcDic[plcId];
if (plc.IsConnected)
{
plc.ReadMultipleVars(nodes);
}
}
}
public object Read(Int64 plcId, DataItem node)
{
if (PlcDic.ContainsKey(plcId))
{
var plc = PlcDic[plcId];
if (node.BitAdr == 0)
{
return(plc.Read(node.DataType, node.DB, node.StartByteAdr, node.VarType, node.Count));
}
else
{
return(plc.Read(node.DataType, node.DB, node.StartByteAdr, node.VarType, node.Count, node.BitAdr));
}
}
else
{
return(null);
}
}
public async Task ConnectAsync(Channel channel)
{
if (channel == null)
{
return;
}
if (!PlcDic.ContainsKey(channel.Id))
{
try
{
var _p = new Plc(DataTypeHelper.GetPlcType(channel.CpuType), channel.IP, channel.Port, channel.Rack, channel.Slot);
await _p.OpenAsync();
PlcDic.Add(channel.Id, _p);
channel.IsAvailable = true;
channel.IsConnected = true;//PlcDic[channel.Id].IsConnected;
}
catch (Exception ex)
{
channel.Message = ex.ToString();
channel.IsAvailable = false;
channel.IsConnected = false;
}
}
else
{
try
{
await PlcDic[channel.Id].OpenAsync();
channel.IsAvailable = true;
channel.IsConnected = true;// PlcDic[channel.Id].IsConnected;
}
catch (Exception ex)
{
channel.Message = ex.ToString();
channel.IsAvailable = false;
channel.IsConnected = false;
}
}
}
