public override void Read(Plc _plc)
{
if (this.ReadHandler != null)
{
ReadEventArgs e = new ReadEventArgs();
e.ReadID = ID;
e.StartTime = System.DateTime.Now;
try
{
_plc.ReadMultipleVars(Items.Values.ToList());
e.Result = true;
}
catch
{
//出现异常断开连接(超时),并休眠1秒
_plc.Close();
e.Result = false;
e.ErrorMsg = "由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败";
}
e.EndTime = System.DateTime.Now;
e.Data = new Dictionary <string, object>();
foreach (var dic in Items)
{
e.Data.Add(dic.Key, dic.Value.Value);
}
this.ReadHandler(this, e);
}
}
public override void Read(Plc _plc)
{
if (this.ReadHandler != null)
{
ReadEventArgs e = new ReadEventArgs();
e.ReadID = ID;
e.StartTime = System.DateTime.Now;
try
{
foreach (var dic in Items)
{
var buffer = _plc.ReadBytes(dic.Value.DataType, dic.Value.DB, dic.Value.StartByteAdr, dic.Value.Count);
dic.Value.Value = FilterChar(System.Text.Encoding.GetEncoding("GB2312").GetString(buffer).Trim());
buffer = null;
}
e.Result = true;
}
catch (Exception ex)
{
//出现异常断开连接(超时)
_plc.Close();
e.Result = false;
e.ErrorMsg = ex.Message;
}
e.EndTime = System.DateTime.Now;
e.Data = new Dictionary <string, object>();
foreach (var dic in Items)
{
e.Data.Add(dic.Key, dic.Value.Value);
}
this.ReadHandler(this, e);
}
}
