/// <summary>
/// 读取数据块集合的值
/// </summary>
/// <param name="ItemNames">数据块集合</param>
/// <returns></returns>
public List <object> ReadValueSerial(List <string> ItemNames)
{
try
{
using (ASRS_Service srv = new ASRS_Service())
{
return(srv.OPC_Read(ItemNames.ToArray()).ToList());
}
}
catch (Exception ex)
{
return(new List <object>());
}
}
/// <summary>
/// 读取一个数据块的值
/// </summary>
/// <param name="ItemName"></param>
/// <returns></returns>
public object ReadValuePoint(string ItemName)
{
List <string> ItemNames = new List <string>();
ItemNames.Add(ItemName);
try
{
using (ASRS_Service srv = new ASRS_Service())
{
return(srv.OPC_Read(ItemNames.ToArray())[0]);
}
}
catch (Exception ex)
{
return(null);
}
}
/// <summary>
/// 将值写入OPC服务器
/// </summary>
/// <param name="ItemName">地址</param>
/// <param name="itemValues">值</param>
/// <returns></returns>
public bool WriteValuePoint(string ItemName, object itemValues)
{
object ItemValues = itemValues;
try
{
using (OpcService.ASRS_Service srv = new ASRS_Service())
{
if (srv.OPC_WritePoint(ItemName, ItemValues))
{
return(true);
}
else
{
return(false);
}
}
}
catch (Exception ex)
{
return(false);
}
}
